1
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Daili F, Sengmany S, Léonel E. Amination of Aryl Halides Mediated by Electrogenerated Nickel from Sacrificial Anode. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100194] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Farah Daili
- Electrosynthèse Catalyse et Chimie Organique Université Paris-Est Créteil, CNRS, ICMPE, UMR 7182 2 rue Henri Dunant 94320 Thiais France
| | - Stéphane Sengmany
- Electrosynthèse Catalyse et Chimie Organique Université Paris-Est Créteil, CNRS, ICMPE, UMR 7182 2 rue Henri Dunant 94320 Thiais France
| | - Eric Léonel
- Electrosynthèse Catalyse et Chimie Organique Université Paris-Est Créteil, CNRS, ICMPE, UMR 7182 2 rue Henri Dunant 94320 Thiais France
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2
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Yan M, Zhu L, Zhang X, Yin SF, Kambe N, Qiu R. Nickel-Catalyzed N, N-Diarylation of 8-Aminoquinoline with Large Steric Aryl Bromides and Fluorescence of Products. Org Lett 2021; 23:2514-2520. [PMID: 33724855 DOI: 10.1021/acs.orglett.1c00463] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A simple and efficient methodology for the synthesis of large sterically hindered triarylamines in a single step was developed. A direct N,N-diarylation of 8-aminoquinoline with sterically hindered bromides, making use of inexpensive nickel as a catalyst and simple sodium salt as a base, gives the products in good to excellent yields. Various bromides and substituted 8-aminoquinolines are tolerated. Preliminary fluorescence results indicate that these sterically hindered and conjugated triarylamines may have some potential in material chemistry.
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Affiliation(s)
- Mingpan Yan
- State Key laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Shenzhen Research Institute, Hunan University, Changsha 410082, P. R. China
| | - Longzhi Zhu
- State Key laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Shenzhen Research Institute, Hunan University, Changsha 410082, P. R. China.,Center for Biomedical Optics and Photonics (CBOP) & College of Physics and Optoelectronic Engineering, Key Laboratory of Optoelectronic Devices and Systems, Shenzhen University, Shenzhen 518060, P. R. China
| | - Xingxing Zhang
- State Key laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Shenzhen Research Institute, Hunan University, Changsha 410082, P. R. China
| | - Shuang-Feng Yin
- State Key laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Shenzhen Research Institute, Hunan University, Changsha 410082, P. R. China
| | - Nobuaki Kambe
- State Key laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Shenzhen Research Institute, Hunan University, Changsha 410082, P. R. China.,The Institute of Scientific and Industrial Research, Osaka University, 8-1 Mihogaoka, Ibaraki-shi, Osaka 567-0047, Japan
| | - Renhua Qiu
- State Key laboratory of Chemo/Biosensing and Chemometrics, Advanced Catalytic Engineering Research Center of the Ministry of Education, College of Chemistry and Chemical Engineering, Shenzhen Research Institute, Hunan University, Changsha 410082, P. R. China
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3
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Campos JF, Cailler M, Claudel R, Prot B, Besson T, Berteina-Raboin S. Demonstration of Green Solvent Performance on O,S,N-Heterocycles Synthesis: Metal-Free Click Chemistry and Buchwald-Hartwig Coupling. Molecules 2021; 26:molecules26041074. [PMID: 33670633 PMCID: PMC7922032 DOI: 10.3390/molecules26041074] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 02/15/2021] [Accepted: 02/16/2021] [Indexed: 11/16/2022] Open
Abstract
The development of new and greener approaches to organic synthesis has been a trend in recent years. Continuing the latest publications of our team, in this work, we demonstrate the efficiency of three solvents: eucalyptol (1,8-cineole), cyclopentyl methyl ether (CPME), and 2-methyltetrahydrofuran (2-MeTHF) for the synthesis of O,S,N-heterocyclic compounds.
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Affiliation(s)
- Joana F. Campos
- Institut de Chimie Organique et Analytique (ICOA), Université d’Orléans UMR-CNRS 7311, BP 6759, Rue de Chartres, 45067 Orléans CEDEX 2, France; (J.F.C.); (M.C.); (R.C.); (B.P.)
| | - Manon Cailler
- Institut de Chimie Organique et Analytique (ICOA), Université d’Orléans UMR-CNRS 7311, BP 6759, Rue de Chartres, 45067 Orléans CEDEX 2, France; (J.F.C.); (M.C.); (R.C.); (B.P.)
| | - Remi Claudel
- Institut de Chimie Organique et Analytique (ICOA), Université d’Orléans UMR-CNRS 7311, BP 6759, Rue de Chartres, 45067 Orléans CEDEX 2, France; (J.F.C.); (M.C.); (R.C.); (B.P.)
| | - Benjamin Prot
- Institut de Chimie Organique et Analytique (ICOA), Université d’Orléans UMR-CNRS 7311, BP 6759, Rue de Chartres, 45067 Orléans CEDEX 2, France; (J.F.C.); (M.C.); (R.C.); (B.P.)
| | - Thierry Besson
- Normandie Univ., UNIROUEN, INSA Rouen, CNRS, COBRA UMR 6014, 76000 Rouen, France;
| | - Sabine Berteina-Raboin
- Institut de Chimie Organique et Analytique (ICOA), Université d’Orléans UMR-CNRS 7311, BP 6759, Rue de Chartres, 45067 Orléans CEDEX 2, France; (J.F.C.); (M.C.); (R.C.); (B.P.)
- Correspondence: ; Tel.: +33-238-494-856
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4
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Afanasyev OI, Kuchuk EA, Muratov KM, Denisov GL, Chusov D. Symmetrical Tertiary Amines: Applications and Synthetic Approaches. European J Org Chem 2020. [DOI: 10.1002/ejoc.202001171] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Oleg I. Afanasyev
- A. N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences Vavilova St. 28 Moscow 119991 Russian Federation
| | - Ekaterina A. Kuchuk
- A. N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences Vavilova St. 28 Moscow 119991 Russian Federation
| | - Karim M. Muratov
- A. N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences Vavilova St. 28 Moscow 119991 Russian Federation
| | - Gleb L. Denisov
- A. N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences Vavilova St. 28 Moscow 119991 Russian Federation
| | - Denis Chusov
- A. N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences Vavilova St. 28 Moscow 119991 Russian Federation
- National Research University Higher School of Economics Miasnitskaya Str. 20 Moscow 101000 Russian Federation
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5
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Development, synthesis and biological investigation of a novel class of potent PC-PLC inhibitors. Eur J Med Chem 2020; 191:112162. [DOI: 10.1016/j.ejmech.2020.112162] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 02/18/2020] [Accepted: 02/18/2020] [Indexed: 11/24/2022]
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6
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Arisawa M. Development of Metal Nanoparticle Catalysis toward Drug Discovery. Chem Pharm Bull (Tokyo) 2019; 67:733-771. [PMID: 31366825 DOI: 10.1248/cpb.c19-00157] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Transition-metal nanoparticles (NPs) catalysts supported on solid material represent one of the most important subjects in organic synthesis due to their reliable carbon-carbon or carbon-heteroatom bond-forming cross-coupling reactions. Therefore methodologically and conceptually novel immobilization methods for nonprecious transition-metal NPs are currently required for the development of organic, inorganic, green, materials, and medicinal chemistry. We discovered a self-assembled Au-supported Pd NPs catalyst (SAPd(0)) and applied it as a catalyst to Suzuki-Miyaura coupling, Buchwald-Hartwig reaction, Carbon(sp2 and sp3)-Hydrogen bond functionalization, double carbonylation, removal of the allyl protecting groups of allyl esters, and redox switching. SAPd(0) comprises approximately 10 layers of self-assembled Pd(0) NPs, whose size is less than 5 nm on the surface of a sulfur-modified Au. The Pd NPs are wrapped in a sulfated p-xylene polymer matrix. We thought that the self-assembled Au-supported Pd NPs could be made by in situ metal NP and nanospace simultaneous organization (PSSO). This methodology involves 4 kinds of simultaneous procedures: i) reduction of a higher valence metal salt, ii) growth of metal NPs with appropriate size, iii) growth of a matrix with appropriate pores, and iv) wrapping of the metal NPs by matrix nanopores. This methodology is different from previously reported metal NPs-immobilizing methods, which use solid supports with preformed pores or coordination sites. We also applied the in situ PSSO method to prepare various immobilized transition-metal NPs, including base metals. For example, the in situ PSSO method can be applicable to easily prepare Ni, Ru, and Fe NPs with good recyclability and low metal leaching for use in organic synthesis.
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7
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Azzena U, Carraro M, Pisano L, Monticelli S, Bartolotta R, Pace V. Cyclopentyl Methyl Ether: An Elective Ecofriendly Ethereal Solvent in Classical and Modern Organic Chemistry. CHEMSUSCHEM 2019; 12:40-70. [PMID: 30246930 PMCID: PMC6391966 DOI: 10.1002/cssc.201801768] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 09/23/2018] [Indexed: 05/07/2023]
Abstract
Solvents represent one of the major contributions to the environmental impact of fine-chemical synthesis. As a result, the use of environmentally friendly solvents in widely employed reactions is a challenge of vast real interest in contemporary organic chemistry. Within this Review, a great variety of examples showing how cyclopentyl methyl ether has been established as particularly useful for this purpose are reported. Indeed, its low toxicity, high boiling point, low melting point, hydrophobicity, chemical stability towards a wide range of conditions, exceptional stability towards the abstraction of hydrogen atoms, relatively low latent heat of vaporization, and the ease with which it can be recovered and recycled enable its successful employment as a solvent in a wide range of synthetic applications, including organometallic chemistry, catalysis, biphasic reactions, oxidations, and radical reactions.
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Affiliation(s)
- Ugo Azzena
- Department of Chemistry and PharmacyUniversity of Sassarivia Vienna 2, I07100SassariItaly
| | - Massimo Carraro
- Department of Chemistry and PharmacyUniversity of Sassarivia Vienna 2, I07100SassariItaly
| | - Luisa Pisano
- Department of Chemistry and PharmacyUniversity of Sassarivia Vienna 2, I07100SassariItaly
| | - Serena Monticelli
- Department of Pharmaceutical ChemistryUniversity of ViennaAlthanstrasse 141090ViennaAustria
| | - Roberta Bartolotta
- Department of Pharmaceutical ChemistryUniversity of ViennaAlthanstrasse 141090ViennaAustria
| | - Vittorio Pace
- Department of Pharmaceutical ChemistryUniversity of ViennaAlthanstrasse 141090ViennaAustria
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8
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Yamada T, Matsuo T, Ogawa A, Ichikawa T, Kobayashi Y, Masuda H, Miyamoto R, Bai H, Meguro K, Sawama Y, Monguchi Y, Sajiki H. Application of Thiol-Modified Dual-Pore Silica Beads as a Practical Scavenger of Leached Palladium Catalyst in C–C Coupling Reactions. Org Process Res Dev 2018. [DOI: 10.1021/acs.oprd.8b00291] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Tsuyoshi Yamada
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Tomohiro Matsuo
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Aya Ogawa
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Tomohiro Ichikawa
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Yutaka Kobayashi
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Hayato Masuda
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Riichi Miyamoto
- DPS Inc., 1-39-2215 Goryo-Ohara, Nishikyo-ku, Kyoto 615-8245, Japan
| | - Hongzhi Bai
- DPS Inc., 1-39-2215 Goryo-Ohara, Nishikyo-ku, Kyoto 615-8245, Japan
| | - Kanji Meguro
- DPS Inc., 1-39-2215 Goryo-Ohara, Nishikyo-ku, Kyoto 615-8245, Japan
| | - Yoshinari Sawama
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
| | - Yasunari Monguchi
- Laboratory of Organic Chemistry, Daiichi University of Pharmacy, 22-1 Tamagawa-cho, Minami-ku, Fukuoka 815-8511, Japan
| | - Hironao Sajiki
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu 501-1196, Japan
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9
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Monguchi Y, Ichikawa T, Yamada T, Sawama Y, Sajiki H. Continuous-Flow Suzuki-Miyaura and Mizoroki-Heck Reactions under Microwave Heating Conditions. CHEM REC 2018; 19:3-14. [PMID: 30182484 DOI: 10.1002/tcr.201800063] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Accepted: 08/17/2018] [Indexed: 01/11/2023]
Abstract
Microwave-assisted continuous-flow reactions have attracted significant interest from synthetic organic chemists, especially process chemists from practical points of view, due to a less complicated shift to large-scale synthesis based on simple and continuous access to products with low energy requirements. In this personal account, we focused on the Suzuki-Miyaura and Mizoroki-Heck reactions, both of which are significantly important cross-coupling reactions for the synthesis of various functional materials. Microwave power is effective for heating. Typical homogeneous palladium catalysts, such as PdCl2 (PPh3 )2 , Pd(PPh3 )4 , and Pd(OAc)2 , as well as heterogeneous palladium catalysts, such as Pd-film, Pd/Al2 O3 , Pd/SiO2 , and Pd supported on polymers, can be used for these reactions.
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Affiliation(s)
- Yasunari Monguchi
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 501-1196, Japan.,Laboratory of Organic Chemistry, Daiichi University of Pharmacy, 22-1 Tamagawa-cho, Minami-ku, Fukuoka, 815-8511, Japan
| | - Tomohiro Ichikawa
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 501-1196, Japan
| | - Tsuyoshi Yamada
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 501-1196, Japan
| | - Yoshinari Sawama
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 501-1196, Japan
| | - Hironao Sajiki
- Laboratory of Organic Chemistry, Gifu Pharmaceutical University, 1-25-4 Daigaku-nishi, Gifu, 501-1196, Japan
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10
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Liu X, Astruc D. Development of the Applications of Palladium on Charcoal in Organic Synthesis. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800343] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Xiang Liu
- College of Materials and Chemical Engineering, Key Laboratory of Inorganic Nonmetallic Crystalline and Energy Conversion Materials; China Three Gorges University, Yichang; Hubei 443002 People's Republic of China
| | - Didier Astruc
- ISM, UMR CNRS 5255; Université de Bordeaux; 351 Cours de la Libération 33405 Talence Cedex France
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11
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Shimomoto Y, Matsubara R, Hayashi M. Synthesis of Arylamines viaNon-AerobicDehydrogenation Using a Palladium/Carbon-Ethylene System. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800504] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Yuya Shimomoto
- Department of Chemistry, Graduate School of Science; Kobe University, Nada; Kobe 657-8501 Japan
| | - Ryosuke Matsubara
- Department of Chemistry, Graduate School of Science; Kobe University, Nada; Kobe 657-8501 Japan
| | - Masahiko Hayashi
- Department of Chemistry, Graduate School of Science; Kobe University, Nada; Kobe 657-8501 Japan
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12
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Heravi MM, Kheilkordi Z, Zadsirjan V, Heydari M, Malmir M. Buchwald-Hartwig reaction: An overview. J Organomet Chem 2018. [DOI: 10.1016/j.jorganchem.2018.02.023] [Citation(s) in RCA: 118] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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13
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Biffis A, Centomo P, Del Zotto A, Zecca M. Pd Metal Catalysts for Cross-Couplings and Related Reactions in the 21st Century: A Critical Review. Chem Rev 2018; 118:2249-2295. [DOI: 10.1021/acs.chemrev.7b00443] [Citation(s) in RCA: 670] [Impact Index Per Article: 111.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Andrea Biffis
- Dipartimento
di Scienze Chimiche, Università di Padova, via Marzolo 1, I-35131 Padova, Italy
| | - Paolo Centomo
- Dipartimento
di Scienze Chimiche, Università di Padova, via Marzolo 1, I-35131 Padova, Italy
| | - Alessandro Del Zotto
- Dipartimento
di Scienze Agroalimentari, Ambientali e Animali−Sezione di
Chimica, Università di Udine, Via delle Scienze 206, I-33100 Udine, Italy
| | - Marco Zecca
- Dipartimento
di Scienze Chimiche, Università di Padova, via Marzolo 1, I-35131 Padova, Italy
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14
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Asai S, Kato M, Monguchi Y, Sajiki H, Sawama Y. Phosphate-Mediated Enyne Synthesis from Allenols. ChemistrySelect 2017. [DOI: 10.1002/slct.201601789] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Shota Asai
- Laboratory of Organic Chemistry; Gifu Pharmaceutical University; 1-25-4 Daigaku-nishi Gifu 501-1196 Japan
| | - Maho Kato
- Laboratory of Organic Chemistry; Gifu Pharmaceutical University; 1-25-4 Daigaku-nishi Gifu 501-1196 Japan
| | - Yasunari Monguchi
- Laboratory of Organic Chemistry; Gifu Pharmaceutical University; 1-25-4 Daigaku-nishi Gifu 501-1196 Japan
| | - Hironao Sajiki
- Laboratory of Organic Chemistry; Gifu Pharmaceutical University; 1-25-4 Daigaku-nishi Gifu 501-1196 Japan
| | - Yoshinari Sawama
- Laboratory of Organic Chemistry; Gifu Pharmaceutical University; 1-25-4 Daigaku-nishi Gifu 501-1196 Japan
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15
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Asai S, Kato M, Monguchi Y, Sajiki H, Sawama Y. Cyclic ether synthesis from diols using trimethyl phosphate. Chem Commun (Camb) 2017; 53:4787-4790. [DOI: 10.1039/c7cc01514c] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cyclic ethers are simply synthesized from diols by using trimethyl phosphate at room temperature.
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Affiliation(s)
- Shota Asai
- Laboratory of Organic Chemistry
- Gifu Pharmaceutical University
- Gifu 501-1196
- Japan
| | - Maho Kato
- Laboratory of Organic Chemistry
- Gifu Pharmaceutical University
- Gifu 501-1196
- Japan
| | - Yasunari Monguchi
- Laboratory of Organic Chemistry
- Gifu Pharmaceutical University
- Gifu 501-1196
- Japan
| | - Hironao Sajiki
- Laboratory of Organic Chemistry
- Gifu Pharmaceutical University
- Gifu 501-1196
- Japan
| | - Yoshinari Sawama
- Laboratory of Organic Chemistry
- Gifu Pharmaceutical University
- Gifu 501-1196
- Japan
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16
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Borch Jacobsen C, Meldal M, Diness F. Mechanism and Scope of Base-Controlled Catalyst-Free N-Arylation of Amines with Unactivated Fluorobenzenes. Chemistry 2016; 23:846-851. [DOI: 10.1002/chem.201604098] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Indexed: 01/27/2023]
Affiliation(s)
- Christian Borch Jacobsen
- Center for Evolutionary Chemical Biology; Department of Chemistry; University of Copenhagen; Universitetsparken 5 2100 Copenhagen Denmark
| | - Morten Meldal
- Center for Evolutionary Chemical Biology; Department of Chemistry; University of Copenhagen; Universitetsparken 5 2100 Copenhagen Denmark
| | - Frederik Diness
- Center for Evolutionary Chemical Biology; Department of Chemistry; University of Copenhagen; Universitetsparken 5 2100 Copenhagen Denmark
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17
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Karaca EÖ, Gürbüz N, Şahin O, Büyükgüngör O, Özdemir İ. Synthesis of palladium complexes derived from imidazolidin-2-ylidene ligands and used for catalytic amination reactions. Appl Organomet Chem 2016. [DOI: 10.1002/aoc.3541] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Emine Özge Karaca
- Inönü University; Catalysis Research and Application Center; 44280 Malatya Turkey
| | - Nevin Gürbüz
- Inönü University; Catalysis Research and Application Center; 44280 Malatya Turkey
| | - Onur Şahin
- Sinop University; Scientific and Technological Research Application and Research Center; 57010 Sinop Turkey
| | - Orhan Büyükgüngör
- Ondokuz Mayıs University; Department of Physics; 55139 Samsun Turkey
| | - İsmail Özdemir
- Inönü University; Catalysis Research and Application Center; 44280 Malatya Turkey
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18
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Bortoluzzi M, Marchetti F, Pampaloni G, Pinzino C, Zacchini S. Oxidative Dimerization of Triarylamines Promoted by WCl6, Including the Solid State Isolation and the Crystallographic Characterization of a Triphenylammonium Salt. Inorg Chem 2015; 55:887-93. [DOI: 10.1021/acs.inorgchem.5b02392] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Marco Bortoluzzi
- Dipartimento
di Scienze Molecolari e Nanosistemi, Università Ca’Foscari Venezia, Via Torino 155, I-30170 Mestre (VE), Italy
| | - Fabio Marchetti
- Dipartimento
di Chimica e Chimica Industriale, Università di Pisa, Via Moruzzi
13, I-56124 Pisa, Italy
| | - Guido Pampaloni
- Dipartimento
di Chimica e Chimica Industriale, Università di Pisa, Via Moruzzi
13, I-56124 Pisa, Italy
| | - Calogero Pinzino
- ICCOM-CNR UOS Pisa,
Research Area, Via Moruzzi 1, I-56124 Pisa, Italy
| | - Stefano Zacchini
- Dipartimento
di Chimica Industriale “Toso Montanari”, Università di Bologna, Viale Risorgimento 4, I-40136 Bologna, Italy
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19
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Minami Y, Komiyama T, Shimizu K, Hiyama T, Goto O, Ikehira H. Catalytic Carbon–Nitrogen Bond-Forming Cross-Coupling Using N-Trimethylsilylamines. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2015. [DOI: 10.1246/bcsj.20150179] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Yasunori Minami
- Research and Development Initiative, Chuo University
- JST, ACT-C
| | | | - Kenta Shimizu
- Graduate School of Science and Engineering, Chuo University
| | - Tamejiro Hiyama
- Research and Development Initiative, Chuo University
- JST, ACT-C
| | - Osamu Goto
- Tsukuba Research Laboratory, Sumitomo Chemical
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20
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Hfaiedh A, Yuan K, Ben Ammar H, Ben Hassine B, Soulé JF, Doucet H. Eco-friendly solvents for palladium-catalyzed desulfitative C-H bond arylation of heteroarenes. CHEMSUSCHEM 2015; 8:1794-1804. [PMID: 25881692 DOI: 10.1002/cssc.201403429] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2014] [Indexed: 06/04/2023]
Abstract
Herein, we report the Pd-catalyzed regioselective direct arylation of heteroarenes in which benzenesulfonyl chlorides are used as coupling partners through a desulfitative cross-coupling that can be performed in diethyl carbonate (DEC) or cyclopentyl methyl ether (CPME) as green and renewable solvents or even in neat conditions instead of dioxane or dimethylacetamide (DMA). Under these solvent conditions, the reaction proceeds with a wide range of heteroarenes. C2- or C5-arylated products were obtained with furan and pyrrole derivatives. Benzofuran was also arylated regioselectively at the C2-position, whereas the reaction proceeds selectively at the C3- or C4-positions if thiophenes and benzothiophenes are used. Moreover, in some cases, especially with 1-methylindole, solvent-free conditions afforded better regioselectivities and/or yields than the reaction performed in the presence of solvents.
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Affiliation(s)
- Anoir Hfaiedh
- Institut des Sciences Chimiques de Rennes, "Organométalliques, Matériaux et Catalyse", UMR 6226 CNRS-Université de Rennes 1, Campus de Beaulieu, 35042 Rennes (France)
- Laboratoire de Synthèse Organique Asymétrique et Catalyse Homogène (UR 11ES56), Université de Monastir, Faculté des Sciences de Monastir, Avenue de l'environnement, Monastir 5000 (Tunisie)
| | - Kedong Yuan
- Institut des Sciences Chimiques de Rennes, "Organométalliques, Matériaux et Catalyse", UMR 6226 CNRS-Université de Rennes 1, Campus de Beaulieu, 35042 Rennes (France)
| | - Hamed Ben Ammar
- Laboratoire de Synthèse Organique Asymétrique et Catalyse Homogène (UR 11ES56), Université de Monastir, Faculté des Sciences de Monastir, Avenue de l'environnement, Monastir 5000 (Tunisie)
| | - Bechir Ben Hassine
- Laboratoire de Synthèse Organique Asymétrique et Catalyse Homogène (UR 11ES56), Université de Monastir, Faculté des Sciences de Monastir, Avenue de l'environnement, Monastir 5000 (Tunisie)
| | - Jean-François Soulé
- Institut des Sciences Chimiques de Rennes, "Organométalliques, Matériaux et Catalyse", UMR 6226 CNRS-Université de Rennes 1, Campus de Beaulieu, 35042 Rennes (France)
| | - Henri Doucet
- Institut des Sciences Chimiques de Rennes, "Organométalliques, Matériaux et Catalyse", UMR 6226 CNRS-Université de Rennes 1, Campus de Beaulieu, 35042 Rennes (France).
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21
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Kanazawa Y, Yokota T, Ogasa H, Watanabe H, Hanakawa T, Soga S, Kawatsura M. Chemoselective amination of bromoiodobenzenes with diarylamines by palladium/Xantphos or ligand-free copper catalysts. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.01.028] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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22
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Lin J, Ni X. Synthesis, structures, and electrochromic behaviors of poly(triarylamine)s based on 3-substituted thiophene derivatives. RSC Adv 2015. [DOI: 10.1039/c4ra16079g] [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 sole difference in chemical structure plays a role in inflecting reactivity, probably through altering electron cloud density.
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Affiliation(s)
- Jinrui Lin
- State Key Laboratory of Molecular Engineering of Polymer
- Department of Macromolecular Science
- Fudan University
- Shanghai
- People's Republic of China
| | - Xiuyuan Ni
- State Key Laboratory of Molecular Engineering of Polymer
- Department of Macromolecular Science
- Fudan University
- Shanghai
- People's Republic of China
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23
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Sajiki H, Monguchi Y, Sawama Y. Synthesis of Triazole, Indole, and Five or Six-Membered Saturated Heterocyclic Compounds. HETEROCYCLES 2015. [DOI: 10.3987/rev-14-811] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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24
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Effects of solvent and base on the palladium-catalyzed amination: PdCl2(Ph3P)2/Ph3P-catalyzed selective arylation of primary anilines with aryl bromides. Tetrahedron 2014. [DOI: 10.1016/j.tet.2014.05.048] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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25
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Monguchi Y, Marumoto T, Takamatsu H, Sawama Y, Sajiki H. Palladium on Carbon-Catalyzed One-PotN-Arylindole Synthesis: Intramolecular Aromatic Amination, Aromatization, and Intermolecular Aromatic Amination. Adv Synth Catal 2014. [DOI: 10.1002/adsc.201301168] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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26
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27
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Luo J, Ji E, Ye J, Wu R, Qiu L. A mild and catalyst-free aromatization using dihydroxylcyclohexanone derivatives as phenyl sources: a new approach to anilines. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.06.061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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28
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Watanabe K. The toxicological assessment of cyclopentyl methyl ether (CPME) as a green solvent. Molecules 2013; 18:3183-94. [PMID: 23478516 PMCID: PMC6270629 DOI: 10.3390/molecules18033183] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2013] [Revised: 03/05/2013] [Accepted: 03/05/2013] [Indexed: 12/05/2022] Open
Abstract
Cyclopentyl methyl ether (CPME) has been used in chemical synthesis as an alternative to hazardous solvents. According to some earlier investigation by others, CPME has low acute or subchronic toxicity with moderate irritation and negative mutagenicity and negative skin sensitization (Local Lymph Node Assay). Calculated Permitted Daily Exposure (PDE) value of CPME obtained by our 28-day oral toxicity test is 1.5 mg/day, and CPME is thus assumed to be a class 2 equivalent solvent in the ICH (International Conference on Harmonization) Harmonized Tripartite Guideline Q3C (R5). Wide synthetic utility and a detailed toxicity study suggest CPME as a green and sustainable solvent of choice for modern chemical transformations.
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Affiliation(s)
- Kiyoshi Watanabe
- Specialty Chemicals Division, ZEON CORPORATION, 1-6-2 Marunouchi, Chiyoda-ku, Tokyo 100-8246, Japan.
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29
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Hoi KH, Coggan JA, Organ MG. Pd-PEPPSI-IPentCl: An Effective Catalyst for the Preparation of Triarylamines. Chemistry 2012; 19:843-5. [DOI: 10.1002/chem.201203379] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2012] [Indexed: 11/10/2022]
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30
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Hatakeyama T, Imayoshi R, Yoshimoto Y, Ghorai SK, Jin M, Takaya H, Norisuye K, Sohrin Y, Nakamura M. Iron-Catalyzed Aromatic Amination for Nonsymmetrical Triarylamine Synthesis. J Am Chem Soc 2012. [DOI: 10.1021/ja309845k] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Takuji Hatakeyama
- International Research Center
for Elements Science (IRCELS), Institute for Chemical Research (ICR), Kyoto University, Uji, Kyoto, 611-0011, Japan
- PRESTO, Japan Science and Technology Agency (JST), 5, Sanbancho, Chiyoda-ku,
Tokyo, 102-0075, Japan
| | - Ryuji Imayoshi
- International Research Center
for Elements Science (IRCELS), Institute for Chemical Research (ICR), Kyoto University, Uji, Kyoto, 611-0011, Japan
| | - Yuya Yoshimoto
- International Research Center
for Elements Science (IRCELS), Institute for Chemical Research (ICR), Kyoto University, Uji, Kyoto, 611-0011, Japan
| | - Sujit K. Ghorai
- International Research Center
for Elements Science (IRCELS), Institute for Chemical Research (ICR), Kyoto University, Uji, Kyoto, 611-0011, Japan
| | - Masayoshi Jin
- International Research Center
for Elements Science (IRCELS), Institute for Chemical Research (ICR), Kyoto University, Uji, Kyoto, 611-0011, Japan
| | - Hikaru Takaya
- International Research Center
for Elements Science (IRCELS), Institute for Chemical Research (ICR), Kyoto University, Uji, Kyoto, 611-0011, Japan
| | - Kazuhiro Norisuye
- International Research Center
for Elements Science (IRCELS), Institute for Chemical Research (ICR), Kyoto University, Uji, Kyoto, 611-0011, Japan
| | - Yoshiki Sohrin
- International Research Center
for Elements Science (IRCELS), Institute for Chemical Research (ICR), Kyoto University, Uji, Kyoto, 611-0011, Japan
| | - Masaharu Nakamura
- International Research Center
for Elements Science (IRCELS), Institute for Chemical Research (ICR), Kyoto University, Uji, Kyoto, 611-0011, Japan
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31
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32
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Hoshiya N, Buchwald SL. An Improved Synthesis of BrettPhos and RockPhos-Type Biarylphosphine Ligands. Adv Synth Catal 2012; 354:2031-2037. [PMID: 23539491 DOI: 10.1002/adsc.201200398] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Improved processes for the preparation of biphenyl-based phosphine ligands t-BuBrettPhos, RockPhos, and BrettPhos are presented. The new methods, featuring the use of Grignard reagents and catalytic amounts of copper, are superior to the previous methods, which require the use of t-butyllithium and stoichiometric amounts of copper. Specifically, the use of less dangerous reagents provides a safer process, while the use of catalytic amounts of copper allows for the isolation of pure products in high yield. These improvements are particularly significant for the large scale preparation of these ligands.
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Affiliation(s)
- Naoyuki Hoshiya
- Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts, 02139, USA
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33
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Al-Amin M, Honma T, Hoshiya N, Shuto S, Arisawa M. Ligand-Free Buchwald-Hartwig Aromatic Aminations of Aryl Halides Catalyzed by Low-Leaching and Highly Recyclable Sulfur-Modified Gold-Supported Palladium Material. Adv Synth Catal 2012. [DOI: 10.1002/adsc.201100761] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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34
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Monguchi Y, Sakai K, Endo K, Fujita Y, Niimura M, Yoshimura M, Mizusaki T, Sawama Y, Sajiki H. Carbon-Carbon Bond Formation by Ligand-free Cross-Coupling Reaction Using Palladium Catalyst Supported on Synthetic Adsorbent. ChemCatChem 2012. [DOI: 10.1002/cctc.201100345] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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35
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Maejima T, Shimoda Y, Nozaki K, Mori S, Sawama Y, Monguchi Y, Sajiki H. One-pot aromatic amination based on carbon–nitrogen coupling reaction between aryl halides and azido compounds. Tetrahedron 2012. [DOI: 10.1016/j.tet.2011.12.058] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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36
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Yanase T, Monguchi Y, Sajiki H. Ligand-free Hiyama cross-coupling reaction catalyzed by palladium on carbon. RSC Adv 2012. [DOI: 10.1039/c1ra00776a] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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37
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Ding L, Zou Q, Qu Y, Su J. Novel “turn-on” fluorescent chemodosimeters based on thioxanthen-9-thione for the selective detection of mercuric ions in aqueous media. RSC Adv 2012. [DOI: 10.1039/c2ra00048b] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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38
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Gretton MJ, Kamino BA, Brook MA, Bender TP. The Use of Piers–Rubinsztajn Conditions for the Placement of Triarylamines Pendant to Silicone Polymers. Macromolecules 2011. [DOI: 10.1021/ma202041u] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Michael J. Gretton
- Department
of Chemical Engineering
and Applied Chemistry, University of Toronto, 200 College St., Toronto, Ontario, Canada M5S 3E5
| | - Brett A. Kamino
- Department
of Chemical Engineering
and Applied Chemistry, University of Toronto, 200 College St., Toronto, Ontario, Canada M5S 3E5
| | - Michael A. Brook
- Department
of Chemistry and Chemical
Biology, McMaster University, 1280 Main
St., Hamilton, Ontario, Canada L8S 4M1
| | - Timothy P. Bender
- Department
of Chemical Engineering
and Applied Chemistry, University of Toronto, 200 College St., Toronto, Ontario, Canada M5S 3E5
- Department of Chemistry, University of Toronto, 80 St. George St., Toronto,
Ontario, Canada M5S 3H6
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39
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Monguchi Y, Fujita Y, Hashimoto S, Ina M, Takahashi T, Ito R, Nozaki K, Maegawa T, Sajiki H. Palladium on carbon-catalyzed solvent-free and solid-phase hydrogenation and Suzuki–Miyaura reaction. Tetrahedron 2011. [DOI: 10.1016/j.tet.2011.09.043] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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40
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Yanase T, Mori S, Monguchi Y, Sajiki H. Pd/C-catalyzed and Water-mediated Hiyama Cross-coupling Reaction Using an Electron-deficient Phosphine Ligand. CHEM LETT 2011. [DOI: 10.1246/cl.2011.910] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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41
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Nagao S, Matsumoto T, Koga Y, Matsubara K. Monovalent Nickel Complex Bearing a BulkyN-Heterocyclic Carbene Catalyzes Buchwald–Hartwig Amination of Aryl Halides under Mild Conditions. CHEM LETT 2011. [DOI: 10.1246/cl.2011.1036] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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42
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Beydoun K, Doucet H. Cyclopentyl methyl ether: an alternative solvent for palladium-catalyzed direct arylation of heteroaromatics. CHEMSUSCHEM 2011; 4:526-534. [PMID: 21337529 DOI: 10.1002/cssc.201000405] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2010] [Indexed: 05/30/2023]
Abstract
Some ethers, such as cyclopentyl methyl ether and di-n-butyl ether, which can be considered as "greener" solvents than N,N-dimethylacetamide (DMAc) or DMF, can be advantageously employed for the palladium-catalyzed direct arylation of heteroaromatics. In the presence of such ethers and only 0.5-1 mol % of palladium catalysts at 125-150 °C, the direct 5-arylation of thiazoles, thiophenes, or furans by using aryl bromides as coupling partners proceeds in moderate to high yields.
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Affiliation(s)
- Kassem Beydoun
- Institut Sciences Chimiques de Rennes, UMR 6226 CNRS-Université de Rennes 1, Catalyse et Organometalliques, Campus de Beaulieu, 35042 Rennes, France
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43
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Li Y, Wang H, Jiang L, Sun F, Fu X, Duan C. Copper-Catalyzed Direct Synthesis of Di- and Triphenylamines: A Dramatic Accelerating Effect of 2-Aminophenols. European J Org Chem 2010. [DOI: 10.1002/ejoc.201001113] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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44
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Yabe Y, Maegawa T, Monguchi Y, Sajiki H. Palladium on charcoal-catalyzed ligand-free Stille coupling. Tetrahedron 2010. [DOI: 10.1016/j.tet.2010.09.027] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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45
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46
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Hirai Y, Uozumi Y. Heterogeneous Aromatic Amination of Aryl Halides with Arylamines in Water with PS-PEG Resin-Supported Palladium Complexes. Chem Asian J 2010; 5:1788-95. [DOI: 10.1002/asia.201000192] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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47
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Komáromi A, Novák Z. Examination of the Aromatic Amination Catalyzed by Palladium on Charcoal. Adv Synth Catal 2010. [DOI: 10.1002/adsc.201000048] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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48
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Monguchi Y, Maejima T, Mori S, Maegawa T, Sajiki H. Copper-Mediated Reductive Amination of Aryl Halides with Trimethylsilyl Azide. Chemistry 2010; 16:7372-5. [DOI: 10.1002/chem.200903511] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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49
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Hirai Y, Uozumi Y. Clean synthesis of triarylamines: Buchwald–Hartwig reaction in water with amphiphilic resin-supported palladium complexes. Chem Commun (Camb) 2010; 46:1103-5. [DOI: 10.1039/b918424d] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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50
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Monguchi Y, Mori S, Aoyagi S, Tsutsui A, Maegawa T, Sajiki H. Palladium on carbon-catalyzed synthesis of 2- and 2,3-substituted indoles under heterogeneous conditions. Org Biomol Chem 2010; 8:3338-42. [DOI: 10.1039/c004939e] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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