1
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Elavarasan S, Preety J, Abinaya R, Saravanan T, Balasunramaniam KK, Venkatramaiah N, Baskar B. Visible Light Driven Metal-Free Photoredox Catalyzed α-benzylation and α-oxygenation of N-substituted tetrahydroisoquinolines: Applications to Synthesis of Natural Products. Chem Asian J 2022; 17:e202200878. [PMID: 36073541 DOI: 10.1002/asia.202200878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 09/06/2022] [Indexed: 11/07/2022]
Abstract
Herein, visible light mediated organophoto redox catalysed simple and convenient method for the a-benzylation and a-oxygenation of tertiary amines is demonstrated. Synthesis of novel thiophenol based donor acceptor organophotoredox catalysts 4a - 4d were investigated along with commercial catalyst 4-CzIPN ( 4e ). A diverse biologically active a-benzylated tetrahydroisoquinolines and natural products such as (±)-Norlaudanosine, (±)-laudanosine and (±)-xylopinine have been synthesized under the optimized conditions in yields ranging from from 62-91%. Exploitation of synthesized a-benzylated compound using present phtoredox catalyzed conditions gave rise to dehydyrogenative benzylic oxidation product under oxygen atmosphere which is known to display biologically and structurally important properties. Also, various N-protected tertiary amines were found to be suitable for the a-oxygenation reactions using catalyst 4e and resulted in good yields (61-85%).
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Affiliation(s)
- S Elavarasan
- SRM Institute of Science and Technology, Chemistry, INDIA
| | - J Preety
- SRM Institute of Science and Technology, Chemistry, INDIA
| | - R Abinaya
- SRM Institute of Science and Technology, Chemistry, INDIA
| | - T Saravanan
- University of Hyderabad, School of Chemistry, INDIA
| | | | | | - Baburaj Baskar
- SRM University, Chemistry, Kattankulathur, 603203, India, 603203, Chennai, INDIA
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2
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Deb ML, Saikia BS, Borpatra PJ, Baruah PK. Progress of metal‐free visible‐light‐driven a‐C‐H functionalization of tertiary amines: A decade journey. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100706] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
| | | | | | - Pranjal K. Baruah
- GUIST, Gauhati University Applied Sciences Gopinath Bordoloi Nagar 781014 Guwahati INDIA
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3
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Chen B, Xie Z, Peng F, Li S, Yang J, Wu T, Fan H, Zhang Z, Hou M, Li S, Liu H, Han B. Production of Piperidine and δ-Lactam Chemicals from Biomass-Derived Triacetic Acid Lactone. Angew Chem Int Ed Engl 2021; 60:14405-14409. [PMID: 33825278 DOI: 10.1002/anie.202102353] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 03/23/2021] [Indexed: 12/28/2022]
Abstract
Piperidine and δ-Lactam chemicals have wide application, which are currently produced from fossil resource in industry. Production of this kind of chemicals from lignocellulosic biomass is of great importance, but is challenging and the reported routes give low yield. Herein, we demonstrate the strategy to synthesize 2-methyl piperidine (MP) and 6-methylpiperidin-2-one (MPO) from biomass-derived triacetic acid lactone (TAL) that is produced microbially from glucose. In this route, TAL was firstly converted into 4-hydroxy-6-methylpyridin-2(1H)-one (HMPO) through facile aminolysis, subsequently HMPO was selectively transformed into MP or MPO over Ru catalysts supported on beta zeolite (Ru/BEA-X, X is the molar ratio of Si to Al) via the tandem reaction. It was found that the yield of MP could reach 76.5 % over Ru/BEA-60 in t-BuOH, and the yield of MPO could be 78.5 % in dioxane. Systematic studies reveal that the excellent catalytic performance of Ru/BEA-60 was closely correlated with the cooperative effects between active metal and acidic zeolite with large pore geometries. The related reaction pathway was studied on the basis of control experiments.
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Affiliation(s)
- Bingfeng Chen
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Zhenbing Xie
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Fangfang Peng
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Shaopeng Li
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Junjuan Yang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Tianbin Wu
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Honglei Fan
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Zhaofu Zhang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Minqiang Hou
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Shumu Li
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Huizhen Liu
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Buxing Han
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China.,School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
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4
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Chen B, Xie Z, Peng F, Li S, Yang J, Wu T, Fan H, Zhang Z, Hou M, Li S, Liu H, Han B. Production of Piperidine and δ‐Lactam Chemicals from Biomass‐Derived Triacetic Acid Lactone. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202102353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Bingfeng Chen
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Zhenbing Xie
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
- School of Chemistry and Chemical Engineering University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Fangfang Peng
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Shaopeng Li
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Junjuan Yang
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Tianbin Wu
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Honglei Fan
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Zhaofu Zhang
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Minqiang Hou
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Shumu Li
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
| | - Huizhen Liu
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
- School of Chemistry and Chemical Engineering University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Buxing Han
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics Institute of Chemistry Chinese Academy of Sciences Beijing 100190 P. R. China
- School of Chemistry and Chemical Engineering University of Chinese Academy of Sciences Beijing 100049 P. R. China
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5
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Liu C, Yu T, Yang T, Sun H, Qin C, Jia Q, Chu C. Facile Preparation of 4-(4-Nitrophenyl)morpholin-3-one via the Acid-Catalyzed Selective Oxidation of 4-(4-Nitrophenyl)morpholine by Sodium Chlorite as the Sole Oxidant. Org Process Res Dev 2020. [DOI: 10.1021/acs.oprd.0c00299] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
| | | | | | | | | | - Qiang Jia
- Seasons Biotechnology (Taizhou) Co., Ltd., 21 Jiutiao Road, Jiaojiang District, Taizhou, Zhejiang 318000, People’s Republic of China
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6
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Kulkarni MR, Gaikwad ND. Recent Advances in Synthesis of 3,4‐Dihydroisoquinolin‐1(2
H
)‐one. ChemistrySelect 2020. [DOI: 10.1002/slct.202002131] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Mahesh R. Kulkarni
- Organic Chemistry Research Centre Department of Chemistry K.R.T. Arts B.H. Commerce and A.M. Science College Gangapur Road Nashik 422 002, MS India
| | - Nitin D. Gaikwad
- Organic Chemistry Research Centre Department of Chemistry K.R.T. Arts B.H. Commerce and A.M. Science College Gangapur Road Nashik 422 002, MS India
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7
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Nakai S, Yatabe T, Suzuki K, Sasano Y, Iwabuchi Y, Hasegawa J, Mizuno N, Yamaguchi K. Methyl‐Selective α‐Oxygenation of Tertiary Amines to Formamides by Employing Copper/Moderately Hindered Nitroxyl Radical (DMN‐AZADO or 1‐Me‐AZADO). Angew Chem Int Ed Engl 2019; 58:16651-16659. [DOI: 10.1002/anie.201909005] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 09/11/2019] [Indexed: 01/10/2023]
Affiliation(s)
- Satoru Nakai
- Department of Applied ChemistrySchool of EngineeringThe University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Takafumi Yatabe
- Department of Applied ChemistrySchool of EngineeringThe University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Kosuke Suzuki
- Department of Applied ChemistrySchool of EngineeringThe University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Yusuke Sasano
- Department of Organic ChemistryGraduate School of Pharmaceutical SciencesTohoku University 6-3 Aza-Aoba, Aramaki Aoba-ku Sendai 980-8578 Japan
| | - Yoshiharu Iwabuchi
- Department of Organic ChemistryGraduate School of Pharmaceutical SciencesTohoku University 6-3 Aza-Aoba, Aramaki Aoba-ku Sendai 980-8578 Japan
| | - Jun‐ya Hasegawa
- Institute for CatalysisHokkaido University Kita 21 Nishi 10, Kita-ku Sapporo 001-0021 Japan
| | - Noritaka Mizuno
- Department of Applied ChemistrySchool of EngineeringThe University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Kazuya Yamaguchi
- Department of Applied ChemistrySchool of EngineeringThe University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
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8
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Nakai S, Yatabe T, Suzuki K, Sasano Y, Iwabuchi Y, Hasegawa J, Mizuno N, Yamaguchi K. Methyl‐Selective α‐Oxygenation of Tertiary Amines to Formamides by Employing Copper/Moderately Hindered Nitroxyl Radical (DMN‐AZADO or 1‐Me‐AZADO). Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201909005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Satoru Nakai
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Takafumi Yatabe
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Kosuke Suzuki
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Yusuke Sasano
- Department of Organic Chemistry Graduate School of Pharmaceutical Sciences Tohoku University 6-3 Aza-Aoba, Aramaki Aoba-ku Sendai 980-8578 Japan
| | - Yoshiharu Iwabuchi
- Department of Organic Chemistry Graduate School of Pharmaceutical Sciences Tohoku University 6-3 Aza-Aoba, Aramaki Aoba-ku Sendai 980-8578 Japan
| | - Jun‐ya Hasegawa
- Institute for Catalysis Hokkaido University Kita 21 Nishi 10, Kita-ku Sapporo 001-0021 Japan
| | - Noritaka Mizuno
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Kazuya Yamaguchi
- Department of Applied Chemistry School of Engineering The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
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9
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Stanek F, Pawłowski R, Mlynarski J, Stodulski M. Visible-Light-Mediated α-Oxygenation of 3-(N
,N
-Dimethylaminomethyl)-Indoles to Aldehydes. European J Org Chem 2018. [DOI: 10.1002/ejoc.201801335] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Filip Stanek
- Institute of Organic Chemistry; Polish Academy of Sciences; Kasprzaka 44/52 01-224 Warsaw Poland
| | - Robert Pawłowski
- Institute of Organic Chemistry; Polish Academy of Sciences; Kasprzaka 44/52 01-224 Warsaw Poland
| | - Jacek Mlynarski
- Institute of Organic Chemistry; Polish Academy of Sciences; Kasprzaka 44/52 01-224 Warsaw Poland
| | - Maciej Stodulski
- Institute of Organic Chemistry; Polish Academy of Sciences; Kasprzaka 44/52 01-224 Warsaw Poland
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10
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Ray R, Hazari AS, Chandra S, Maiti D, Lahiri GK. Highly Selective Ruthenium-Catalyzed Direct Oxygenation of Amines to Amides. Chemistry 2017; 24:1067-1071. [DOI: 10.1002/chem.201705601] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Indexed: 11/08/2022]
Affiliation(s)
- Ritwika Ray
- Department of Chemistry; Indian Institute of Technology Bombay, Powai; Mumbai 400076 India
| | - Arijit Singha Hazari
- Department of Chemistry; Indian Institute of Technology Bombay, Powai; Mumbai 400076 India
| | - Shubhadeep Chandra
- Department of Chemistry; Indian Institute of Technology Bombay, Powai; Mumbai 400076 India
| | - Debabrata Maiti
- Department of Chemistry; Indian Institute of Technology Bombay, Powai; Mumbai 400076 India
| | - Goutam Kumar Lahiri
- Department of Chemistry; Indian Institute of Technology Bombay, Powai; Mumbai 400076 India
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11
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Schultz DM, Lévesque F, DiRocco DA, Reibarkh M, Ji Y, Joyce LA, Dropinski JF, Sheng H, Sherry BD, Davies IW. Oxyfunctionalization of the Remote C−H Bonds of Aliphatic Amines by Decatungstate Photocatalysis. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201707537] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Danielle M. Schultz
- Department of Process Research and Development, Merck Sharp & Dohme Corp.; Rahway NJ 07065 USA
| | - François Lévesque
- Department of Process Research and Development, Merck Sharp & Dohme Corp.; Rahway NJ 07065 USA
| | - Daniel A. DiRocco
- Department of Process Research and Development, Merck Sharp & Dohme Corp.; Rahway NJ 07065 USA
| | - Mikhail Reibarkh
- Department of Process Research and Development, Merck Sharp & Dohme Corp.; Rahway NJ 07065 USA
| | - Yining Ji
- Department of Process Research and Development, Merck Sharp & Dohme Corp.; Rahway NJ 07065 USA
| | - Leo A. Joyce
- Department of Process Research and Development, Merck Sharp & Dohme Corp.; Rahway NJ 07065 USA
| | - James F. Dropinski
- Department of Process Research and Development, Merck Sharp & Dohme Corp.; Rahway NJ 07065 USA
| | - Huaming Sheng
- Department of Process Research and Development, Merck Sharp & Dohme Corp.; Rahway NJ 07065 USA
| | - Benjamin D. Sherry
- Department of Process Research and Development, Merck Sharp & Dohme Corp.; Rahway NJ 07065 USA
| | - Ian W. Davies
- Department of Process Research and Development, Merck Sharp & Dohme Corp.; Rahway NJ 07065 USA
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12
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Schultz DM, Lévesque F, DiRocco DA, Reibarkh M, Ji Y, Joyce LA, Dropinski JF, Sheng H, Sherry BD, Davies IW. Oxyfunctionalization of the Remote C−H Bonds of Aliphatic Amines by Decatungstate Photocatalysis. Angew Chem Int Ed Engl 2017; 56:15274-15278. [DOI: 10.1002/anie.201707537] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 09/16/2017] [Indexed: 12/31/2022]
Affiliation(s)
- Danielle M. Schultz
- Department of Process Research and Development, Merck Sharp & Dohme Corp.; Rahway NJ 07065 USA
| | - François Lévesque
- Department of Process Research and Development, Merck Sharp & Dohme Corp.; Rahway NJ 07065 USA
| | - Daniel A. DiRocco
- Department of Process Research and Development, Merck Sharp & Dohme Corp.; Rahway NJ 07065 USA
| | - Mikhail Reibarkh
- Department of Process Research and Development, Merck Sharp & Dohme Corp.; Rahway NJ 07065 USA
| | - Yining Ji
- Department of Process Research and Development, Merck Sharp & Dohme Corp.; Rahway NJ 07065 USA
| | - Leo A. Joyce
- Department of Process Research and Development, Merck Sharp & Dohme Corp.; Rahway NJ 07065 USA
| | - James F. Dropinski
- Department of Process Research and Development, Merck Sharp & Dohme Corp.; Rahway NJ 07065 USA
| | - Huaming Sheng
- Department of Process Research and Development, Merck Sharp & Dohme Corp.; Rahway NJ 07065 USA
| | - Benjamin D. Sherry
- Department of Process Research and Development, Merck Sharp & Dohme Corp.; Rahway NJ 07065 USA
| | - Ian W. Davies
- Department of Process Research and Development, Merck Sharp & Dohme Corp.; Rahway NJ 07065 USA
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13
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Zheng D, Zhou X, Cui B, Han W, Wan N, Chen Y. Biocatalytic α-Oxidation of Cyclic Amines andN-Methylanilines for the Synthesis of Lactams and Formamides. ChemCatChem 2017. [DOI: 10.1002/cctc.201601703] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Daijun Zheng
- School of Pharmacy; Zunyi Medical University; Zunyi 563000 P.R. China
| | - Xiaojian Zhou
- School of Pharmacy; Zunyi Medical University; Zunyi 563000 P.R. China
| | - Baodong Cui
- School of Pharmacy; Zunyi Medical University; Zunyi 563000 P.R. China
| | - Wenyong Han
- School of Pharmacy; Zunyi Medical University; Zunyi 563000 P.R. China
| | - Nanwei Wan
- School of Pharmacy; Zunyi Medical University; Zunyi 563000 P.R. China
| | - Yongzheng Chen
- School of Pharmacy; Zunyi Medical University; Zunyi 563000 P.R. China
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14
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Griffiths RJ, Burley GA, Talbot EPA. Transition-Metal-Free Amine Oxidation: A Chemoselective Strategy for the Late-Stage Formation of Lactams. Org Lett 2017; 19:870-873. [PMID: 28177642 DOI: 10.1021/acs.orglett.7b00021] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
A metal-free strategy for the formation of lactams via selective oxidation of cyclic secondary and tertiary amines is described. Molecular iodine facilitates both chemoselective and regioselective oxidation of C-H bonds directly adjacent to a cyclic amine. The mild conditions, functional group tolerance, and substrate scope are demonstrated using a suite of diverse small molecule cyclic amines, including clinically approved drug scaffolds.
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Affiliation(s)
- Robert J Griffiths
- GlaxoSmithKline Medicines Research Centre , Gunnels Wood Road, Stevenage, Hertfordshire SG1 2NY, U.K.,Department of Pure and Applied Chemistry, University of Strathclyde , 295 Cathedral Street, Glasgow G1 1XL, U.K
| | - Glenn A Burley
- Department of Pure and Applied Chemistry, University of Strathclyde , 295 Cathedral Street, Glasgow G1 1XL, U.K
| | - Eric P A Talbot
- GlaxoSmithKline Medicines Research Centre , Gunnels Wood Road, Stevenage, Hertfordshire SG1 2NY, U.K
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15
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Liu Y, Wang C, Xue D, Xiao M, Liu J, Li C, Xiao J. Reactions Catalysed by a Binuclear Copper Complex: Relay Aerobic Oxidation of N
-Aryl Tetrahydroisoquinolines to Dihydroisoquinolones with a Vitamin B1 Analogue. Chemistry 2017; 23:3062-3066. [PMID: 27880016 DOI: 10.1002/chem.201604750] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Indexed: 12/22/2022]
Affiliation(s)
- Yuxia Liu
- Key Laboratory of Applied Surface and Colloid Chemistry; Ministry of Education and School of Chemistry and Chemical Engineering; Shaanxi Normal University; Xi'an 710062 P. R. China
| | - Chao Wang
- Key Laboratory of Applied Surface and Colloid Chemistry; Ministry of Education and School of Chemistry and Chemical Engineering; Shaanxi Normal University; Xi'an 710062 P. R. China
| | - Dong Xue
- Key Laboratory of Applied Surface and Colloid Chemistry; Ministry of Education and School of Chemistry and Chemical Engineering; Shaanxi Normal University; Xi'an 710062 P. R. China
| | - Miao Xiao
- Key Laboratory of Applied Surface and Colloid Chemistry; Ministry of Education and School of Chemistry and Chemical Engineering; Shaanxi Normal University; Xi'an 710062 P. R. China
| | - Jiao Liu
- Key Laboratory of Applied Surface and Colloid Chemistry; Ministry of Education and School of Chemistry and Chemical Engineering; Shaanxi Normal University; Xi'an 710062 P. R. China
| | - Chaoqun Li
- Key Laboratory of Applied Surface and Colloid Chemistry; Ministry of Education and School of Chemistry and Chemical Engineering; Shaanxi Normal University; Xi'an 710062 P. R. China
| | - Jianliang Xiao
- Key Laboratory of Applied Surface and Colloid Chemistry; Ministry of Education and School of Chemistry and Chemical Engineering; Shaanxi Normal University; Xi'an 710062 P. R. China
- Department of Chemistry; University of Liverpool; Liverpool L69 7ZD UK
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