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Hamedimehr S, Ojaghi Aghbash K, Noroozi Pesyan N. Zn Complex on Tryptophan-Functionalized MCM-41 as an Efficient and Promising Reusable Nanocatalyst in One-Pot Three-Component Synthesis of Amino Benzyl Quinolinols and Naphthols via a Betti Reaction. ACS OMEGA 2023; 8:8227-8236. [PMID: 36910969 PMCID: PMC9996610 DOI: 10.1021/acsomega.2c05723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 01/17/2023] [Indexed: 06/18/2023]
Abstract
In this research, a Zn transition metallic complex on functionalized mesopore silica MCM-41 has been designed and utilized as an effective, recoverable, and thermally stable heterogeneous nanocatalyst in the formation of the C-C bond. Also, the synthesis of amino benzyl quinolinols and amino benzyl naphthol derivatives was performed by the three-component reaction of Betti from aromatic aldehydes, type II amines, and 8-hydroxyquinoline and 1-naphthol in the presence of the MCM-41-tryptophan-Zn nanocatalyst under reflux conditions. The short reaction times, high efficiency of the products, the easy separation of catalysts due to their heterogeneity, and their reusability are the advantages of this method. Finally, the nature of catalysts was studied by using some techniques such as the Fourier transform infrared spectrum, energy-dispersive spectroscopy, hot filtration test, transmission electron microscopy, scanning electron microscopy, X-ray diffraction, inductively coupled plasma optical emission spectrometry, and N2 adsorption-desorption (BET). The synthesized heterogeneous catalysts showed perfect catalytic activity and also good recyclability in the Betti reaction. They could be reused at least for five consecutive cycles without significant loss of their catalytic activities.
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2
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Sehhat Z, Mansoori S, Arvinnezhad H, Naghdi Y, Samadi S. Application of chiral Betti base-copper complexes in enantioselective allylic oxidation of olefins, computational studies of the Betti bases, and docking of the resulting chiral allylic esters. MOLECULAR CATALYSIS 2023. [DOI: 10.1016/j.mcat.2023.113011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
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3
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Fukuda K, Harada T, Iwasawa N, Takaya J. Facile Synthesis and Utilization of Bis(o-phosphinophenyl)zinc as Isolable PZnP-pincer Ligands Enabled by Boron-Zinc Double Transmetallation. Dalton Trans 2022; 51:7035-7039. [DOI: 10.1039/d2dt01222g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Bis(o-phosphinophenyl)zinc derivatives were successfully synthesized by the reaction of o-phosphinophenylboronates with dimethylzinc via boron-zinc double transmetallation. The transmetallation was significantly accelerated by the presence of the ortho PR2 substituent to...
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4
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Geissler AGA, Breit B. Addition of Chloroprene Grignards to Aromatic Aldehydes: Synthesis of Homoallenyl Alcohols. Org Lett 2021; 23:2621-2625. [PMID: 33729803 DOI: 10.1021/acs.orglett.1c00527] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A general procedure for the one-pot synthesis of racemic homoallenyl alcohols from the corresponding aldehyde and chloroprene-derived Grignards is described. Employing bis[2-dimethylaminoethyl]ether (BDMAEE) as an additive at low temperatures shifts the selectivity of the chloroprene Grignard addition to aldehydes such that it is almost exclusive toward allene formation. In a set of follow-up experiments, simple and more elaborate methods for further derivatization have been demonstrated, allowing quick access to more complex structures.
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Affiliation(s)
- Arne G A Geissler
- Institut für Organische Chemie, Albert-Ludwigs-Universität Freiburg, Albertstrasse 21, Freiburg 79104, Germany
| | - Bernhard Breit
- Institut für Organische Chemie, Albert-Ludwigs-Universität Freiburg, Albertstrasse 21, Freiburg 79104, Germany
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5
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Chiral Aziridine Sulfide N(sp3),S-Ligands for Metal-Catalyzed Asymmetric Reactions. Symmetry (Basel) 2021. [DOI: 10.3390/sym13030502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
A series of new bidentate N,S-ligands—aziridines containing a para-substituted phenyl sulfide group—was synthesized and evaluated in the Pd-catalyzed Tsuji–Trost reaction and addition of diethylzinc and phenylethynylzinc to benzaldehyde. A high enantiomeric ratio for the addition reactions (up to 94.2:5.8) was obtained using the aziridine ligand bearing a p-nitro phenyl sulfide group. Collected results reveal a specific electronic effect that, by the presence of particular electron-donating or electron-withdrawing groups in the PhS- moiety, influences the σ-donor–metal binding and the enantioselectivity of the catalyzed reactions.
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6
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Chen Z, Zhang T, Sun Y, Wang L, Jin Y. Organocatalytic enantioselective aza-Friedel–Crafts alkylation of β-naphthols and isatin-derived ketimines via a Takemoto-type catalyst. NEW J CHEM 2021. [DOI: 10.1039/d1nj01421h] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The catalyst type and the substrate scope were broadened using this methodology.
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Affiliation(s)
- Zhe Chen
- Department of Pharmacy
- Jilin Medical University
- Jilin
- Jilin 132013
- China
| | - Tianyi Zhang
- Department of Pharmacy
- Jilin Medical University
- Jilin
- Jilin 132013
- China
| | - Yuhong Sun
- Department of Pharmacy
- Jilin Medical University
- Jilin
- Jilin 132013
- China
| | - Liming Wang
- Department of Pharmacy
- Jilin Medical University
- Jilin
- Jilin 132013
- China
| | - Ying Jin
- Department of Pharmacy
- Jilin Medical University
- Jilin
- Jilin 132013
- China
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7
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Olyaei A, Sadeghpour M. Recent advances in the synthesis and synthetic applications of Betti base (aminoalkylnaphthol) and bis-Betti base derivatives. RSC Adv 2019; 9:18467-18497. [PMID: 35515249 PMCID: PMC9064815 DOI: 10.1039/c9ra02813g] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2019] [Revised: 02/14/2020] [Accepted: 05/30/2019] [Indexed: 11/21/2022] Open
Abstract
The multicomponent reaction between 2-naphthol, arylaldehydes and ammonia yields aminobenzylnaphthols in a process known as the Betti reaction, which was first uncovered at the beginning of the 20th century. Various methods have been reported for the synthesis of aminobenzylnaphthol (Betti base) and bis-Betti base derivatives using various types of naphthols, aromatic amines, heteroaromatic amines, and aliphatic and cyclic amines instead of ammonia or diamines and aliphatic and aromatic aldehydes or dialdehyde compounds under various conditions in recent years. The Betti reaction produces racemic and non-racemic aminobenzylnaphthol ligands. It is also clear that the most important area of application of the non-racemic aminonaphthols prepared in this manner is their use in asymmetric synthesis, either as chiral ligands or as chiral auxiliaries. The functional groups in these Mannich products offer many ring closure possibilities. Some of these products or the starting bifunctional compounds possess biological activity. Herein, we present a selection of the relevant studies on this topic.
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Affiliation(s)
- Abolfazl Olyaei
- Department of Chemistry, Payame Noor University (PNU) PO Box 19395-4697 Tehran Iran
| | - Mahdieh Sadeghpour
- Department of Chemistry, Takestan Branch, Islamic Azad University Takestan Iran
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8
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Dikova K, Kostova K, Simova S, Linden A, Chimov A, Dimitrov V. Synthesis and crystal structures of chiral ferrocene and ruthenocene substituted aminomethylnaphthols obtained through Betti-condensation. Polyhedron 2019. [DOI: 10.1016/j.poly.2019.03.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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9
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Chaumont‐Olive P, Rouen M, Barozzino‐Consiglio G, Ben Abdeladhim A, Maddaluno J, Harrison‐Marchand A. Chiral Lithium Amido Aryl Zincates: Simple and Efficient Chemo‐ and Enantio‐Selective Aryl Transfer Reagents. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201813510] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Pauline Chaumont‐Olive
- Normandie UnivUNIROUEN, INSA de RouenCNRSLaboratoire COBRA (UMR 6014 & FR 3038) 76000 Rouen France
| | - Mathieu Rouen
- Normandie UnivUNIROUEN, INSA de RouenCNRSLaboratoire COBRA (UMR 6014 & FR 3038) 76000 Rouen France
| | | | - Amel Ben Abdeladhim
- Normandie UnivUNIROUEN, INSA de RouenCNRSLaboratoire COBRA (UMR 6014 & FR 3038) 76000 Rouen France
| | - Jacques Maddaluno
- Normandie UnivUNIROUEN, INSA de RouenCNRSLaboratoire COBRA (UMR 6014 & FR 3038) 76000 Rouen France
| | - Anne Harrison‐Marchand
- Normandie UnivUNIROUEN, INSA de RouenCNRSLaboratoire COBRA (UMR 6014 & FR 3038) 76000 Rouen France
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10
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Chaumont‐Olive P, Rouen M, Barozzino‐Consiglio G, Ben Abdeladhim A, Maddaluno J, Harrison‐Marchand A. Chiral Lithium Amido Aryl Zincates: Simple and Efficient Chemo‐ and Enantio‐Selective Aryl Transfer Reagents. Angew Chem Int Ed Engl 2019; 58:3193-3197. [DOI: 10.1002/anie.201813510] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Indexed: 11/07/2022]
Affiliation(s)
- Pauline Chaumont‐Olive
- Normandie UnivUNIROUEN, INSA de RouenCNRSLaboratoire COBRA (UMR 6014 & FR 3038) 76000 Rouen France
| | - Mathieu Rouen
- Normandie UnivUNIROUEN, INSA de RouenCNRSLaboratoire COBRA (UMR 6014 & FR 3038) 76000 Rouen France
| | | | - Amel Ben Abdeladhim
- Normandie UnivUNIROUEN, INSA de RouenCNRSLaboratoire COBRA (UMR 6014 & FR 3038) 76000 Rouen France
| | - Jacques Maddaluno
- Normandie UnivUNIROUEN, INSA de RouenCNRSLaboratoire COBRA (UMR 6014 & FR 3038) 76000 Rouen France
| | - Anne Harrison‐Marchand
- Normandie UnivUNIROUEN, INSA de RouenCNRSLaboratoire COBRA (UMR 6014 & FR 3038) 76000 Rouen France
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11
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Carlos AMM, Stieler R, Lüdtke DS. Catalytic asymmetric synthesis of 3-aryl phthalides enabled by arylation–lactonization of 2-formylbenzoates. Org Biomol Chem 2019; 17:283-289. [DOI: 10.1039/c8ob02872a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The catalytic asymmetric synthesis of 3-aryl phthalides through an asymmetric arylation–lactonization is enabled by a B/Zn exchange reaction.
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Affiliation(s)
- Andressa M. M. Carlos
- Instituto de Química
- Universidade Federal do Rio Grande do Sul
- UFRGS
- Porto Alegre
- Brazil
| | - Rafael Stieler
- Instituto de Química
- Universidade Federal do Rio Grande do Sul
- UFRGS
- Porto Alegre
- Brazil
| | - Diogo S. Lüdtke
- Instituto de Química
- Universidade Federal do Rio Grande do Sul
- UFRGS
- Porto Alegre
- Brazil
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12
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Huang H, Wang Y, Zong H, Song L. Catalytic asymmetric 1,2-Addition/Lactonization tandem reactions for the syntheses of chiral 3-Substituted phthalides using organozinc reagents. Appl Organomet Chem 2018. [DOI: 10.1002/aoc.4643] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Huayin Huang
- The Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Fujian Institute of Research on the Structure of Matter; Chinese Academy of Sciences; Fuzhou Fujian 350002 China
| | - Yabai Wang
- The Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Fujian Institute of Research on the Structure of Matter; Chinese Academy of Sciences; Fuzhou Fujian 350002 China
| | - Hua Zong
- The Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Fujian Institute of Research on the Structure of Matter; Chinese Academy of Sciences; Fuzhou Fujian 350002 China
| | - Ling Song
- The Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Fujian Institute of Research on the Structure of Matter; Chinese Academy of Sciences; Fuzhou Fujian 350002 China
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13
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Wang P, Liu Y, Zhang YL, Da CS. The inexpensive additive N
-methylmorpholine effectively decreases the equivalents of nucleophiles in the catalytic highly enantioselective arylation of aryl aldehydes. Chirality 2017; 29:443-450. [DOI: 10.1002/chir.22709] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2017] [Revised: 04/08/2017] [Accepted: 04/10/2017] [Indexed: 01/03/2023]
Affiliation(s)
- Pei Wang
- Institute of Biochemistry and Molecular Biology, School of Life Sciences; Lanzhou University; Lanzhou China
| | - Yue Liu
- Institute of Biochemistry and Molecular Biology, School of Life Sciences; Lanzhou University; Lanzhou China
| | - Ya-Lun Zhang
- Institute of Biochemistry and Molecular Biology, School of Life Sciences; Lanzhou University; Lanzhou China
| | - Chao-Shan Da
- Institute of Biochemistry and Molecular Biology, School of Life Sciences; Lanzhou University; Lanzhou China
- State Key Laboratory of Organic Chemistry; Lanzhou University; Lanzhou China
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14
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Maity D, Bhatt M, Desai ML, Suresh E, Si MK, Boricha VP, Ganguly B, Paul P. Effect of conformation, flexibility and intramolecular interaction on ion selectivity of calix[4]arene-based anion sensors: experimental and computational studies. Supramol Chem 2017. [DOI: 10.1080/10610278.2017.1301450] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Debdeep Maity
- Analytical Division and Centralized Instrument Facility, CSIR-Central Salt & Marine Chemicals Research Institute, G. B. Marg, Bhavnagar, India
| | - Madhuri Bhatt
- Analytical Division and Centralized Instrument Facility, CSIR-Central Salt & Marine Chemicals Research Institute, G. B. Marg, Bhavnagar, India
- Academy of Scientific and Innovative Research (AcSIR), CSIR-Central Salt & Marine Chemicals Research Institute, G. B. Marg, Bhavnagar, India
| | - Mittal L. Desai
- Analytical Division and Centralized Instrument Facility, CSIR-Central Salt & Marine Chemicals Research Institute, G. B. Marg, Bhavnagar, India
| | - E. Suresh
- Analytical Division and Centralized Instrument Facility, CSIR-Central Salt & Marine Chemicals Research Institute, G. B. Marg, Bhavnagar, India
- Academy of Scientific and Innovative Research (AcSIR), CSIR-Central Salt & Marine Chemicals Research Institute, G. B. Marg, Bhavnagar, India
| | - Mrinal Kanti Si
- Analytical Division and Centralized Instrument Facility, CSIR-Central Salt & Marine Chemicals Research Institute, G. B. Marg, Bhavnagar, India
- Academy of Scientific and Innovative Research (AcSIR), CSIR-Central Salt & Marine Chemicals Research Institute, G. B. Marg, Bhavnagar, India
| | - Vinod P. Boricha
- Analytical Division and Centralized Instrument Facility, CSIR-Central Salt & Marine Chemicals Research Institute, G. B. Marg, Bhavnagar, India
| | - Bishwajit Ganguly
- Analytical Division and Centralized Instrument Facility, CSIR-Central Salt & Marine Chemicals Research Institute, G. B. Marg, Bhavnagar, India
- Academy of Scientific and Innovative Research (AcSIR), CSIR-Central Salt & Marine Chemicals Research Institute, G. B. Marg, Bhavnagar, India
| | - Parimal Paul
- Analytical Division and Centralized Instrument Facility, CSIR-Central Salt & Marine Chemicals Research Institute, G. B. Marg, Bhavnagar, India
- Academy of Scientific and Innovative Research (AcSIR), CSIR-Central Salt & Marine Chemicals Research Institute, G. B. Marg, Bhavnagar, India
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15
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Kamikawa K, Tseng YY, Jian JH, Takahashi T, Ogasawara M. Planar-Chiral Phosphine-Olefin Ligands Exploiting a (Cyclopentadienyl)manganese(I) Scaffold To Achieve High Robustness and High Enantioselectivity. J Am Chem Soc 2017; 139:1545-1553. [DOI: 10.1021/jacs.6b11243] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ken Kamikawa
- Department
of Chemistry, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
| | - Ya-Yi Tseng
- Department
of Chemistry, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
| | - Jia-Hong Jian
- Institute
for Catalysis, Hokkaido University, Kita-ku, Sapporo 001-0021, Japan
| | - Tamotsu Takahashi
- Institute
for Catalysis, Hokkaido University, Kita-ku, Sapporo 001-0021, Japan
| | - Masamichi Ogasawara
- Institute
for Catalysis, Hokkaido University, Kita-ku, Sapporo 001-0021, Japan
- Department
of Natural Science, Graduate School of Science and Technology, Tokushima University, Tokushima 770-8506, Japan
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16
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He WP, Zhou BH, Zhou YL, Li XR, Fan LM, Shou HW, Li J. Synthesis of new benzimidazolium salts and their application in the asymmetric arylation of aldehydes. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.06.023] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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17
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Huang L, Zhu J, Jiao G, Wang Z, Yu X, Deng WP, Tang W. Highly Enantioselective Rhodium-Catalyzed Addition of Arylboroxines to Simple Aryl Ketones: Efficient Synthesis of Escitalopram. Angew Chem Int Ed Engl 2016; 55:4527-31. [DOI: 10.1002/anie.201600979] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Revised: 02/15/2016] [Indexed: 11/07/2022]
Affiliation(s)
- Linwei Huang
- Shanghai Key Laboratory of New Drug Design; School of Pharmacy; East China University of Science and Technology; 130 Mei Long Rd Shanghai 200237 China
| | - Jinbin Zhu
- Shanghai Key Laboratory of New Drug Design; School of Pharmacy; East China University of Science and Technology; 130 Mei Long Rd Shanghai 200237 China
| | - Guangjun Jiao
- State Key Laboratory of Bio-Organic and Natural Products Chemistry; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; Shanghai 200032 China
| | - Zheng Wang
- Innovation Center China; AstraZeneca Global R&D; China
| | - Xingxin Yu
- Shanghai Key Laboratory of New Drug Design; School of Pharmacy; East China University of Science and Technology; 130 Mei Long Rd Shanghai 200237 China
| | - Wei-Ping Deng
- Shanghai Key Laboratory of New Drug Design; School of Pharmacy; East China University of Science and Technology; 130 Mei Long Rd Shanghai 200237 China
| | - Wenjun Tang
- Shanghai Key Laboratory of New Drug Design; School of Pharmacy; East China University of Science and Technology; 130 Mei Long Rd Shanghai 200237 China
- State Key Laboratory of Bio-Organic and Natural Products Chemistry; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; Shanghai 200032 China
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18
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Huang L, Zhu J, Jiao G, Wang Z, Yu X, Deng WP, Tang W. Highly Enantioselective Rhodium-Catalyzed Addition of Arylboroxines to Simple Aryl Ketones: Efficient Synthesis of Escitalopram. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201600979] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Linwei Huang
- Shanghai Key Laboratory of New Drug Design; School of Pharmacy; East China University of Science and Technology; 130 Mei Long Rd Shanghai 200237 China
| | - Jinbin Zhu
- Shanghai Key Laboratory of New Drug Design; School of Pharmacy; East China University of Science and Technology; 130 Mei Long Rd Shanghai 200237 China
| | - Guangjun Jiao
- State Key Laboratory of Bio-Organic and Natural Products Chemistry; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; Shanghai 200032 China
| | - Zheng Wang
- Innovation Center China; AstraZeneca Global R&D; China
| | - Xingxin Yu
- Shanghai Key Laboratory of New Drug Design; School of Pharmacy; East China University of Science and Technology; 130 Mei Long Rd Shanghai 200237 China
| | - Wei-Ping Deng
- Shanghai Key Laboratory of New Drug Design; School of Pharmacy; East China University of Science and Technology; 130 Mei Long Rd Shanghai 200237 China
| | - Wenjun Tang
- Shanghai Key Laboratory of New Drug Design; School of Pharmacy; East China University of Science and Technology; 130 Mei Long Rd Shanghai 200237 China
- State Key Laboratory of Bio-Organic and Natural Products Chemistry; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; Shanghai 200032 China
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19
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Bauer T. Enantioselective dialkylzinc-mediated alkynylation, arylation and alkenylation of carbonyl groups. Coord Chem Rev 2015. [DOI: 10.1016/j.ccr.2015.03.025] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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20
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Sas J, Szatmári I, Fülöp F. Selective N -alkylation of isoquinolines, benzazepines and thienopyridines with aromatic aldehydes and naphthols. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.03.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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21
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Schmitz C, Leitner W, Franciò G. Synthesis of P-Stereogenic Phosphoramidite and Phosphorodiamidite Ligands and Their Application in Asymmetric Catalysis. European J Org Chem 2015. [DOI: 10.1002/ejoc.201500767] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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22
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Zhang L, Tu B, Ge M, Li Y, Chen L, Wang W, Zhou S. Asymmetric Addition of Pyridyl Aluminum Reagents to Aldehydes Catalyzed by a Titanium(IV) Catalytic System of (R)-H8-BINOLate. J Org Chem 2015. [PMID: 26221910 DOI: 10.1021/acs.joc.5b01410] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The asymmetric addition of pyridyl aluminum reagents to aldehydes has been successfully developed by employing a titanium(IV) catalytic system of (R)-H8-BINOLate, which affords a series of valuable optically active diarylmethanols containing various pyridyl groups in high yields with excellent enantioselectivities of up to 98% ee.
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Affiliation(s)
- Lijun Zhang
- Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241000, China
| | - Bing Tu
- Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241000, China
| | - Min Ge
- Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241000, China
| | - Yimei Li
- Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241000, China
| | - Liangyu Chen
- Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241000, China
| | - Wei Wang
- Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241000, China
| | - Shuangliu Zhou
- Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241000, China
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23
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24
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Wang CY, Dong C, Zheng ZJ, Xu Z, Yang KF, Xu LW. Construction of an all-substituted pyrrolidine derivative with multiple stereogenic centers and Betti-base-derived γ-amino alcohols by [1,2]-Wittig rearrangement. RSC Adv 2015. [DOI: 10.1039/c5ra09145d] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The construction of Betti base-derived γ-amino alcohols and all-substituted pyrrolidine derivative with multiple stereogenic centers has been developed successfully through neighboring lithium-assisted [1,2]-Wittig rearrangement (NLAWR).
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Affiliation(s)
- Cai-Yun Wang
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education (MOE)
- Hangzhou Normal University
- Hangzhou 311121
- P. R. China
| | - Cheng Dong
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education (MOE)
- Hangzhou Normal University
- Hangzhou 311121
- P. R. China
| | - Zhan-Jiang Zheng
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education (MOE)
- Hangzhou Normal University
- Hangzhou 311121
- P. R. China
| | - Zheng Xu
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education (MOE)
- Hangzhou Normal University
- Hangzhou 311121
- P. R. China
| | - Ke-Fang Yang
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education (MOE)
- Hangzhou Normal University
- Hangzhou 311121
- P. R. China
| | - Li-Wen Xu
- Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education (MOE)
- Hangzhou Normal University
- Hangzhou 311121
- P. R. China
- State Key Laboratory for Oxo Synthesis and Selective Oxidation
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25
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Chang SJ, Zhou S, Gau HM. Enantioselective addition of ArTi(OiPr)3 to aldehydes catalyzed by a titanium complex of an N-sulfonylated amino alcohol. RSC Adv 2015. [DOI: 10.1039/c4ra14173c] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Asymmetric additions of ArTi(OiPr)3 to aldehydes catalyzed by a titanium catalyst of N-sulfonylated amino alcohols to afford desired secondary alcohols in good yields with good to excellent enantioselectivities of up to 95% ee.
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Affiliation(s)
- Shih-Ju Chang
- Department of Chemistry
- National Chung Hsing University
- Taichung 402
- Taiwan
| | - Shuangliu Zhou
- Anhui Key Laboratory of Functional Molecular Solids
- College of Chemistry and Materials Science
- Anhui Normal University
- Wuhu
- China
| | - Han-Mou Gau
- Department of Chemistry
- National Chung Hsing University
- Taichung 402
- Taiwan
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26
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Yang YX, Liu Y, Zhang L, Jia YE, Wang P, Zhuo FF, An XT, Da CS. Aryl Bromides as Inexpensive Starting Materials in the Catalytic Enantioselective Arylation of Aryl Aldehydes: The Additive TMEDA Enhances the Enantioselectivity. J Org Chem 2014; 79:10696-702. [DOI: 10.1021/jo502070r] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Yong-Xin Yang
- Institute of Biochemistry & Molecular Biology, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
| | - Yue Liu
- Institute of Biochemistry & Molecular Biology, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
| | - Lei Zhang
- Institute of Biochemistry & Molecular Biology, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
| | - Yan-E Jia
- Institute of Biochemistry & Molecular Biology, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
| | - Pei Wang
- Institute of Biochemistry & Molecular Biology, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
| | - Fang-Fang Zhuo
- Institute of Biochemistry & Molecular Biology, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
| | - Xian-Tao An
- Institute of Biochemistry & Molecular Biology, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
| | - Chao-Shan Da
- Institute of Biochemistry & Molecular Biology, School of Life Sciences, Lanzhou University, Lanzhou 730000, China
- State
Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou 730000, China
- Key
Lab of Preclinical Study for New Drugs of Gansu Province, Lanzhou University, Lanzhou 730000, China
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27
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Fernández-Mateos E, Maciá B, Yus M. Catalytic Enantioselective Addition of Aryl Grignard Reagents to Ketones. European J Org Chem 2014. [DOI: 10.1002/ejoc.201402935] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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28
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Pisani L, Bochicchio C, Superchi S, Scafato P. TroposAmino Alcohol Mediated Enantioselective Aryl Transfer Reactions to Aromatic Aldehydes. European J Org Chem 2014. [DOI: 10.1002/ejoc.201402702] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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29
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Li K, Hu N, Luo R, Yuan W, Tang W. A Chiral Ruthenium-Monophosphine Catalyst for Asymmetric Addition of Arylboronic Acids to Aryl Aldehydes. J Org Chem 2013; 78:6350-5. [DOI: 10.1021/jo400850m] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Ke Li
- Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu
610041, China
| | - Naifu Hu
- State Key
Laboratory of Bi-organic
and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai
200032, China
| | - Renshi Luo
- State Key
Laboratory of Bi-organic
and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai
200032, China
| | - Weicheng Yuan
- Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu
610041, China
| | - Wenjun Tang
- State Key
Laboratory of Bi-organic
and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai
200032, China
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30
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Wang C, Wan Y, Wang HY, Zhao LL, Shi JJ, Zhang XX, Wu H. Efficient One-Pot Syntheses of Betti Bases Catalyzed by 1-Methyl-3-(2-(sulfooxy)ethyl)-1H-imidazol-3-ium Chloride. J Heterocycl Chem 2013. [DOI: 10.1002/jhet.1124] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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31
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Szatmári I, Fülöp F. Syntheses, transformations and applications of aminonaphthol derivatives prepared via modified Mannich reactions. Tetrahedron 2013. [DOI: 10.1016/j.tet.2012.11.055] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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32
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de Graaff C, Ruijter E, Orru RVA. Recent developments in asymmetric multicomponent reactions. Chem Soc Rev 2012; 41:3969-4009. [PMID: 22546840 DOI: 10.1039/c2cs15361k] [Citation(s) in RCA: 640] [Impact Index Per Article: 53.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Multicomponent reactions (MCRs) receive increasing attention because they address both diversity and complexity in organic synthesis. Thus, in principle diverse sets of relatively complex structures can be generated from simple starting materials in a single reaction step. The ever increasing need for optically pure compounds for pharmaceutical and agricultural applications as well as for catalysis promotes the development of asymmetric multicomponent reactions. In recent years, asymmetric multicomponent reactions have been applied to the total synthesis of various enantiopure natural products and commercial drugs, reducing the number of required reaction steps significantly. Although many developments in diastereoselective MCRs have been reported, the field of catalytic enantioselective MCRs has just started to blossom. This critical review describes developments in both diastereoselective and catalytic enantioselective multicomponent reactions since 2004. Significantly broadened scopes, new techniques, more environmentally benign methods and entirely novel MCRs reflect the increasingly inventive paths that synthetic chemist follow in this field. Until recently, enantioselective transition metal-catalyzed MCRs represented the majority of catalytic enantioselective MCRs. However, metal contamination is highly undesirable for drug synthesis. The emergence of organocatalysis greatly influences the quest for new asymmetric MCRs.
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Affiliation(s)
- Corien de Graaff
- Department of Chemistry & Pharmaceutical Sciences and Amsterdam Institute for Molecules, Medicines and Systems, VU University Amsterdam, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands
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33
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Sui YZ, Zhang XC, Wu JW, Li S, Zhou JN, Li M, Fang W, Chan ASC, Wu J. CuII-Catalyzed Asymmetric Hydrosilylation of Diaryl- and Aryl Heteroaryl Ketones: Application in the Enantioselective Synthesis of Orphenadrine and Neobenodine. Chemistry 2012; 18:7486-92. [DOI: 10.1002/chem.201200379] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2012] [Indexed: 11/08/2022]
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34
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Binder CM, Singaram B. Asymmetric Addition of Diorganozinc Reagents to Aldehydes and Ketones. ORG PREP PROCED INT 2011. [DOI: 10.1080/00304948.2011.564538] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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35
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Catalytic enantioselective aryl transfer to aldehydes using chiral 2,2'-bispyrrolidine-based salan ligands. Molecules 2011; 16:2971-81. [PMID: 21471936 PMCID: PMC6260645 DOI: 10.3390/molecules16042971] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2010] [Revised: 03/15/2011] [Accepted: 03/16/2011] [Indexed: 11/16/2022] Open
Abstract
Chiral C2-symmetric diamines have emerged as versatile auxiliaries or ligands in numerous asymmetric transformations. Chiral 2,2’-bispyrrolidine-based salan ligands were prepared and applied to the asymmetric aryl transfer to aldehydes with arylboronic acids as the source of transferable aryl groups. The corresponding diarylmethanols were obtained in high yields with moderate to good enantioselectivitives of up to 83% ee.
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36
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Partyka DV. Transmetalation of Unsaturated Carbon Nucleophiles from Boron-Containing Species to the Mid to Late d-Block Metals of Relevance to Catalytic C−X Coupling Reactions (X = C, F, N, O, Pb, S, Se, Te). Chem Rev 2011; 111:1529-95. [DOI: 10.1021/cr1002276] [Citation(s) in RCA: 251] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- David V. Partyka
- Creative Chemistry LLC, 2074 Adelbert Road, Cleveland, Ohio 44106, United States
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37
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Das B, Reddy CR, Sindhu C, Kumar DN, Krishnaiah M. An Efficient Synthesis of [(Tosylamino)alkyl]naphthalenols by Nucleophilic Addition of Naphthalen-2-ol with N-Tosyl Imines Using Boron Trifluoride Etherate as Catalyst. Helv Chim Acta 2011. [DOI: 10.1002/hlca.201000224] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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38
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Infante R, Nieto J, Andrés C. Asymmetric additive-free aryl addition to aldehydes using perhydrobenzoxazines as ligands and boroxins as aryl source. Org Biomol Chem 2011; 9:6691-9. [DOI: 10.1039/c1ob05717k] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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39
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Wei H, Yin L, Luo H, Li X, Chan ASC. Structural influence of chiral tertiary aminonaphthol ligands on the asymmetric phenyl transfer to aromatic aldehydes. Chirality 2010; 23:222-7. [DOI: 10.1002/chir.20903] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2010] [Accepted: 06/22/2010] [Indexed: 11/10/2022]
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40
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Moro AV, Tiekink ERT, Zukerman-Schpector J, Lüdtke DS, Correia CRD. Chiral Triphenylprolinol Ligands for the Efficient Catalytic Asymmetric Arylation of Aldehydes. European J Org Chem 2010. [DOI: 10.1002/ejoc.201000336] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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41
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Morikawa S, Michigami K, Amii H. Novel Axially Chiral Phosphine Ligand with a Fluoro Alcohol Moiety for Rh-Catalyzed Asymmetric Arylation of Aromatic Aldehydes. Org Lett 2010; 12:2520-3. [DOI: 10.1021/ol100697a] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Satoshi Morikawa
- Department of Chemistry, Graduate School of Science, Kobe University, Kobe 657-8501, Japan
| | - Kyosuke Michigami
- Department of Chemistry, Graduate School of Science, Kobe University, Kobe 657-8501, Japan
| | - Hideki Amii
- Department of Chemistry, Graduate School of Science, Kobe University, Kobe 657-8501, Japan
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42
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Ilisz I, Pataj Z, Berkecz R, Szatmári I, Fülöp F, Péter A. High-performance liquid chromatographic enantioseparation of aminonaphthol analogs on polysaccharide-based chiral stationary phases. J Chromatogr A 2010; 1217:2980-5. [DOI: 10.1016/j.chroma.2010.02.031] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2009] [Revised: 02/08/2010] [Accepted: 02/12/2010] [Indexed: 10/19/2022]
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43
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Wouters AD, Trossini GHG, Stefani HA, Lüdtke DS. Enantioselective Arylations Catalyzed by Carbohydrate-Based Chiral Amino Alcohols. European J Org Chem 2010. [DOI: 10.1002/ejoc.201000113] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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44
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Cardellicchio C, Capozzi MAM, Naso F. The Betti base: the awakening of a sleeping beauty. ACTA ACUST UNITED AC 2010. [DOI: 10.1016/j.tetasy.2010.03.020] [Citation(s) in RCA: 134] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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45
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Ilisz I, Iványi R, Pataj Z, Kupai J, Huszthy P, Szatmári I, Fülöp F, Péter A. CE Enantioseparation of Betti Bases with Cyclodextrins and Crown Ether as Chiral Selectors. Chromatographia 2010. [DOI: 10.1365/s10337-009-1465-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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46
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Muramatsu Y, Kanehira S, Tanigawa M, Miyawaki Y, Harada T. Catalytic Enantioselective Alkylation and Arylation of Aldehydes by Using Grignard Reagents. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2010. [DOI: 10.1246/bcsj.20090232] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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47
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Liu C, Guo ZL, Weng J, Lu G, Chan ASC. Chiral 1,1â²-binaphthylazepine-derived amino alcohol catalyzed asymmetric aryl transfer reactions with boroxine as aryl source. Chirality 2010; 22:159-64. [DOI: 10.1002/chir.20721] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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48
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Wang XB, Kodama K, Hirose T, Yang XF, Zhang GY. Chirality control in the enantioselective arylation of aromatic aldehydes catalyzed by cis-(1R,2S)-2-benzamidocyclohexanecarboxylic acid derived 1,3-aminoalcohols. ACTA ACUST UNITED AC 2010. [DOI: 10.1016/j.tetasy.2010.01.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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49
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Salvi L, Kim JG, Walsh PJ. Practical catalytic asymmetric synthesis of diaryl-, aryl heteroaryl-, and diheteroarylmethanols. J Am Chem Soc 2009; 131:12483-93. [PMID: 19653691 PMCID: PMC2755092 DOI: 10.1021/ja9046747] [Citation(s) in RCA: 89] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Enantioenriched diaryl-, aryl heteroaryl-, and diheteroarylmethanols exhibit important biological and medicinal properties. One-pot catalytic asymmetric syntheses of these compounds beginning from readily available aryl bromides are introduced. Thus, lithium-bromide exchange with commercially available aryl bromides and n-BuLi was followed by salt metathesis with ZnCl(2) to generate ArZnCl. A second equivalent of n-BuLi was added to form the mixed organozinc, ArZnBu. In the presence of enantioenriched amino alcohol-based catalysts, ArZnBu adds to aldehydes to afford essentially racemic diarylmethanols. The low enantioselectivities were attributed to a LiCl-promoted background reaction. To inhibit this background reaction, the chelating diamine TEEDA (tetraethylethylene diamine) was introduced prior to aldehyde addition. Under these conditions, enantioenriched diarylmethanols were obtained with >90% ee. Arylations of enals generated allylic alcohols with 81-90% ee. This procedure was unsuccessful, however, when applied to heteroaryl bromides, which was attributed to decomposition of the heteroaryl lithium under the salt metathesis conditions. To avoid this problem, the metathesis was conducted with EtZnCl, which enabled the salt metathesis to proceed at low temperatures. The resulting EtZn(Ar(Hetero)) intermediates (Ar(Hetero) = 2- and 3-thiophenyl, 2-benzothiophenyl, 3-furyl, and 5-indolyl) were successfully added to aldehydes and heteroaryl aldehydes with enantioselectivities between 81-99%. These are the first examples of catalytic and highly enantioselective syntheses of diheteroarylmethanols. In a similar fashion, ferrocenyl bromide was used to generate FcZnEt and the ferrocenyl group added to benzaldehyde and heteroaromatic aldehydes to form ferrocene-based ligand precursors in 86-95% yield with 96-98% ee. It was also found that the arylation and heteroarylation of enals could be followed by diastereoselective epoxidations to provide epoxy alcohols with high enantio- and diastereoselectivities in a one-pot procedure.
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Affiliation(s)
- Luca Salvi
- Contribution from the P. Roy and Diana T. Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323
| | - Jeung Gon Kim
- Contribution from the P. Roy and Diana T. Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323
| | - Patrick J. Walsh
- Contribution from the P. Roy and Diana T. Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104-6323
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50
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Zheng B, Hou S, Li Z, Guo H, Zhong J, Wang M. Enantioselective synthesis of quaternary stereogenic centers through catalytic asymmetric addition of dimethylzinc to α-ketoesters with chiral cis-cyclopropane-based amide alcohol as ligand. ACTA ACUST UNITED AC 2009. [DOI: 10.1016/j.tetasy.2009.07.050] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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