1
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Lorton C, Roblin A, Retailleau P, Voituriez A. Synthesis of Functionalized Cyclobutenes and Spirocycles
via
Asymmetric P(III)/P(V) Redox Catalysis. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Charlotte Lorton
- Université Paris-Saclay CNRS Institut de Chimie des Substances Naturelles UPR 2301 91198 Gif-sur-Yvette France
| | - Antoine Roblin
- Université Paris-Saclay CNRS Institut de Chimie des Substances Naturelles UPR 2301 91198 Gif-sur-Yvette France
| | - Pascal Retailleau
- Université Paris-Saclay CNRS Institut de Chimie des Substances Naturelles UPR 2301 91198 Gif-sur-Yvette France
| | - Arnaud Voituriez
- Université Paris-Saclay CNRS Institut de Chimie des Substances Naturelles UPR 2301 91198 Gif-sur-Yvette France
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2
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Zhang M, Wang XC. Bifunctional Borane Catalysis of a Hydride Transfer/Enantioselective [2+2] Cycloaddition Cascade. Angew Chem Int Ed Engl 2021; 60:17185-17190. [PMID: 34037295 DOI: 10.1002/anie.202106168] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Indexed: 02/04/2023]
Abstract
Herein, we present a mild and efficient method for synthesizing enantioenriched tetrahydroquinoline-fused cyclobutenes through a cascade reaction between 1,2-dihydroquinolines and alkynones with catalysis by chiral spiro-bicyclic bisboranes. The bisboranes served two functions: first they catalyzed a hydride transfer to convert the 1,2-dihydroquinoline substrate to a 1,4-dihydroquinoline, and then they activated the alkynone substrate for an enantioselective [2+2] cycloaddition reaction with the 1,4-dihydroquinoline generated in situ.
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Affiliation(s)
- Ming Zhang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, 94 Weijin Road, Tianjin, 300071, China
| | - Xiao-Chen Wang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, 94 Weijin Road, Tianjin, 300071, China
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3
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Bifunctional Borane Catalysis of a Hydride Transfer/Enantioselective [2+2] Cycloaddition Cascade. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202106168] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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4
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Didier D, Reiners F. Uncommon Four-Membered Building Blocks - Cyclobutenes, Azetines and Thietes. CHEM REC 2021; 21:1144-1160. [PMID: 33734571 DOI: 10.1002/tcr.202100011] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 03/02/2021] [Accepted: 03/03/2021] [Indexed: 12/15/2022]
Abstract
Strained ring systems have gained considerable importance over the last few years for their implication in natural product syntheses or in drug discovery programs. We present herein a recollection of our work on the construction and functionalization of unsaturated four-membered carbo- and heterocycles in the context of the literature, as well as their applications in further reactions.
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Affiliation(s)
- Dorian Didier
- Department of Chemistry, Ludwig-Maximilians Universität, Butenandtstraße 5-13, 81377, Munich, Germany
| | - Felix Reiners
- Department of Chemistry, Ludwig-Maximilians Universität, Butenandtstraße 5-13, 81377, Munich, Germany
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5
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Zeng L, Xu J, Zhang D, Yan Z, Cheng G, Rao W, Gao L. Catalytic Enantioselective [2+2] Cycloaddition of α-Halo Acroleins: Construction of Cyclobutanes Containing Two Tetrasubstituted Stereocenters. Angew Chem Int Ed Engl 2020; 59:21890-21894. [PMID: 32803881 DOI: 10.1002/anie.202008465] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 07/31/2020] [Indexed: 01/16/2023]
Abstract
A catalytic enantioselective formal [2+2] cycloaddition between α-halo acroleins and electronically diverse arylalkenes is described. In the presence of (S)-oxazaborolidinium cation as the catalyst, densely functionalized cyclobutanes containing two vicinal tetrasubstituted stereocenters were produced in high yields and high diastereoselectivities with excellent enantioselectivities. Mechanistic studies revealed that the cis isomer could be transformed into the trans isomer via an enantiocontrolled process. A gram-scale reaction of this catalytic method was used to demonstrate its synthetic potential.
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Affiliation(s)
- Lei Zeng
- College of Materials Science and Engineering, Huaqiao University, No.668 Jimei Avenue, Xiamen, Fujian, China
| | - Jingjing Xu
- College of Materials Science and Engineering, Huaqiao University, No.668 Jimei Avenue, Xiamen, Fujian, China
| | - Dongsheng Zhang
- College of Materials Science and Engineering, Huaqiao University, No.668 Jimei Avenue, Xiamen, Fujian, China
| | - Zhongliang Yan
- College of Materials Science and Engineering, Huaqiao University, No.668 Jimei Avenue, Xiamen, Fujian, China
| | - Guolin Cheng
- College of Materials Science and Engineering, Huaqiao University, No.668 Jimei Avenue, Xiamen, Fujian, China
| | - Weidong Rao
- Jiangsu Key Laboratory of Biomass-Based Green Fuels and Chemicals, College of Chemical Engineering, Nanjing Forestry University, Nanjing, China
| | - Lizhu Gao
- College of Materials Science and Engineering, Huaqiao University, No.668 Jimei Avenue, Xiamen, Fujian, China
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6
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Gao D, Wang F, Liu X, Feng K, Zhao J, Wang Y, Yang X, Tian P, Lin G. Synthesis of Decahydrocyclobuta[
cd
]indene Skeletons: Rhodium(III)‐Catalyzed Hydroarylation and Relay Thiophene‐Promoted Intramolecular [2+2] Cycloaddition. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000825] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Dingding Gao
- The Research Center of Chiral Drugs, Innovation Research Institute of Traditional Chinese Medicine Shanghai University of Traditional Chinese Medicine 1200 Cailun Road Shanghai 201203 China
| | - Feng Wang
- The Research Center of Chiral Drugs, Innovation Research Institute of Traditional Chinese Medicine Shanghai University of Traditional Chinese Medicine 1200 Cailun Road Shanghai 201203 China
| | - Xing‐Yu Liu
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences, Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
| | - Kai‐Rui Feng
- The Research Center of Chiral Drugs, Innovation Research Institute of Traditional Chinese Medicine Shanghai University of Traditional Chinese Medicine 1200 Cailun Road Shanghai 201203 China
| | - Jia‐Ying Zhao
- The Research Center of Chiral Drugs, Innovation Research Institute of Traditional Chinese Medicine Shanghai University of Traditional Chinese Medicine 1200 Cailun Road Shanghai 201203 China
| | - Yu‐Hui Wang
- The Research Center of Chiral Drugs, Innovation Research Institute of Traditional Chinese Medicine Shanghai University of Traditional Chinese Medicine 1200 Cailun Road Shanghai 201203 China
| | - Xiao‐Di Yang
- The Research Center of Chiral Drugs, Innovation Research Institute of Traditional Chinese Medicine Shanghai University of Traditional Chinese Medicine 1200 Cailun Road Shanghai 201203 China
| | - Ping Tian
- The Research Center of Chiral Drugs, Innovation Research Institute of Traditional Chinese Medicine Shanghai University of Traditional Chinese Medicine 1200 Cailun Road Shanghai 201203 China
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences, Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs Shanghai Jiao Tong University 800 Dongchuan Road Shanghai 200240 China
| | - Guo‐Qiang Lin
- The Research Center of Chiral Drugs, Innovation Research Institute of Traditional Chinese Medicine Shanghai University of Traditional Chinese Medicine 1200 Cailun Road Shanghai 201203 China
- CAS Key Laboratory of Synthetic Chemistry of Natural Substances, Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences, Chinese Academy of Sciences 345 Lingling Road Shanghai 200032 China
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7
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Zeng L, Xu J, Zhang D, Yan Z, Cheng G, Rao W, Gao L. Catalytic Enantioselective [2+2] Cycloaddition of α‐Halo Acroleins: Construction of Cyclobutanes Containing Two Tetrasubstituted Stereocenters. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202008465] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Lei Zeng
- College of Materials Science and Engineering Huaqiao University No.668 Jimei Avenue Xiamen Fujian China
| | - Jingjing Xu
- College of Materials Science and Engineering Huaqiao University No.668 Jimei Avenue Xiamen Fujian China
| | - Dongsheng Zhang
- College of Materials Science and Engineering Huaqiao University No.668 Jimei Avenue Xiamen Fujian China
| | - Zhongliang Yan
- College of Materials Science and Engineering Huaqiao University No.668 Jimei Avenue Xiamen Fujian China
| | - Guolin Cheng
- College of Materials Science and Engineering Huaqiao University No.668 Jimei Avenue Xiamen Fujian China
| | - Weidong Rao
- Jiangsu Key Laboratory of Biomass-Based Green Fuels and Chemicals College of Chemical Engineering Nanjing Forestry University Nanjing China
| | - Lizhu Gao
- College of Materials Science and Engineering Huaqiao University No.668 Jimei Avenue Xiamen Fujian China
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8
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Sun T, Chen K, Zhang C, You T, Yin P. 1,3‐O‐Transposition or Trisubstituted Z‐Enol Ester? A Comparative Study of Reactions of Ynones. Chem Asian J 2019; 14:1941-1944. [DOI: 10.1002/asia.201900315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Revised: 03/28/2019] [Indexed: 11/09/2022]
Affiliation(s)
- Tian‐Yu Sun
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of EducationSchool of ChemistryBeihang University Beijing 100191 China
| | - Kai Chen
- College of Materials Science and EngineeringCentral South University of Forestry and Technology Changsha 410004 China
- Lab of Computational Chemistry and Drug DesignState Key Laboratory of Chemical OncogenomicsPeking University Shenzhen Graduate School Shenzhen 518055 China
| | - Changyuan Zhang
- College of Chemistry and Bio-EngineeringYichun University Yichun 336000 China
| | - Tingting You
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of EducationSchool of ChemistryBeihang University Beijing 100191 China
| | - Penggang Yin
- Key Laboratory of Bio-Inspired Smart Interfacial Science and Technology of Ministry of EducationSchool of ChemistryBeihang University Beijing 100191 China
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9
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Kang T, Cao W, Hou L, Tang Q, Zou S, Liu X, Feng X. Chiral Zinc(II)‐Catalyzed Enantioselective Tandem α‐Alkenyl Addition/Proton Shift Reaction of Silyl Enol Ethers with Ketimines. Angew Chem Int Ed Engl 2019; 58:2464-2468. [DOI: 10.1002/anie.201810961] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2018] [Revised: 11/21/2018] [Indexed: 01/10/2023]
Affiliation(s)
- Tengfei Kang
- Key Laboratory of Green Chemistry & TechnologyMinistry of EducationCollege of ChemistrySichuan University Chengdu 610064 China
| | - Weidi Cao
- Key Laboratory of Green Chemistry & TechnologyMinistry of EducationCollege of ChemistrySichuan University Chengdu 610064 China
| | - Liuzhen Hou
- Key Laboratory of Green Chemistry & TechnologyMinistry of EducationCollege of ChemistrySichuan University Chengdu 610064 China
| | - Qiong Tang
- Key Laboratory of Green Chemistry & TechnologyMinistry of EducationCollege of ChemistrySichuan University Chengdu 610064 China
| | - Sijia Zou
- Key Laboratory of Green Chemistry & TechnologyMinistry of EducationCollege of ChemistrySichuan University Chengdu 610064 China
| | - Xiaohua Liu
- Key Laboratory of Green Chemistry & TechnologyMinistry of EducationCollege of ChemistrySichuan University Chengdu 610064 China
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & TechnologyMinistry of EducationCollege of ChemistrySichuan University Chengdu 610064 China
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10
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Kang T, Cao W, Hou L, Tang Q, Zou S, Liu X, Feng X. Chiral Zinc(II)-Catalyzed Enantioselective Tandem α-Alkenyl Addition/Proton Shift Reaction of Silyl Enol Ethers with Ketimines. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201810961] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Tengfei Kang
- Key Laboratory of Green Chemistry & Technology; Ministry of Education; College of Chemistry; Sichuan University; Chengdu 610064 China
| | - Weidi Cao
- Key Laboratory of Green Chemistry & Technology; Ministry of Education; College of Chemistry; Sichuan University; Chengdu 610064 China
| | - Liuzhen Hou
- Key Laboratory of Green Chemistry & Technology; Ministry of Education; College of Chemistry; Sichuan University; Chengdu 610064 China
| | - Qiong Tang
- Key Laboratory of Green Chemistry & Technology; Ministry of Education; College of Chemistry; Sichuan University; Chengdu 610064 China
| | - Sijia Zou
- Key Laboratory of Green Chemistry & Technology; Ministry of Education; College of Chemistry; Sichuan University; Chengdu 610064 China
| | - Xiaohua Liu
- Key Laboratory of Green Chemistry & Technology; Ministry of Education; College of Chemistry; Sichuan University; Chengdu 610064 China
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology; Ministry of Education; College of Chemistry; Sichuan University; Chengdu 610064 China
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11
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Sakamoto T, Mochizuki T, Goto Y, Hatano M, Ishihara K. Boron Tribromide-Assisted Chiral Phosphoric Acid Catalysts for Enantioselective [2+2] Cycloaddition. Chem Asian J 2018; 13:2373-2377. [DOI: 10.1002/asia.201800351] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Revised: 03/27/2018] [Indexed: 12/21/2022]
Affiliation(s)
- Tatsuhiro Sakamoto
- Graduate School of Engineering; Nagoya University; Furo-cho Chikusa Nagoya 464-8603 Japan
| | - Takuya Mochizuki
- Graduate School of Engineering; Nagoya University; Furo-cho Chikusa Nagoya 464-8603 Japan
| | - Yuta Goto
- Graduate School of Engineering; Nagoya University; Furo-cho Chikusa Nagoya 464-8603 Japan
| | - Manabu Hatano
- Graduate School of Engineering; Nagoya University; Furo-cho Chikusa Nagoya 464-8603 Japan
| | - Kazuaki Ishihara
- Graduate School of Engineering; Nagoya University; Furo-cho Chikusa Nagoya 464-8603 Japan
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12
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Wiest JM, Conner ML, Brown MK. Synthesis of (-)-Hebelophyllene E: An Entry to Geminal Dimethyl-Cyclobutanes by [2+2] Cycloaddition of Alkenes and Allenoates. Angew Chem Int Ed Engl 2018; 57:4647-4651. [PMID: 29481716 PMCID: PMC5939599 DOI: 10.1002/anie.201801110] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Indexed: 01/01/2023]
Abstract
The first synthesis of hebelophyllene E is presented, along with assignment of its previously unknown relative configuration through synthesis of epi-ent-hebelophyllene E. Development of a catalytic enantioselective [2+2] cycloaddition of alkenes and allenoates provides access to the required chiral geminal dimethylcyclobutanes. Key to its success is the identification of a novel oxazaborolidine catalyst which promotes the cycloaddition in high enantioselectivities with good functional-group tolerance (9 examples, up to 97:3 e.r.). Thus, a late-stage cycloaddition using a fully functionalized alkene, followed by a diastereoselective reduction allows a concise entry to this class of natural products.
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Affiliation(s)
- Johannes M Wiest
- Department of Chemistry, Indiana University, 800 E. Kirkwood Ave., Bloomington, IN, 47405, USA
| | - Michael L Conner
- Department of Chemistry, Indiana University, 800 E. Kirkwood Ave., Bloomington, IN, 47405, USA
| | - M Kevin Brown
- Department of Chemistry, Indiana University, 800 E. Kirkwood Ave., Bloomington, IN, 47405, USA
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13
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Wahl JM, Conner ML, Brown MK. Synthesis of (−)‐Hebelophyllene E: An Entry to Geminal Dimethyl‐Cyclobutanes by [2+2] Cycloaddition of Alkenes and Allenoates. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201801110] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Johannes M. Wahl
- Department of Chemistry Indiana University 800 E. Kirkwood Ave. Bloomington IN 47405 USA
| | - Michael L. Conner
- Department of Chemistry Indiana University 800 E. Kirkwood Ave. Bloomington IN 47405 USA
| | - M. Kevin Brown
- Department of Chemistry Indiana University 800 E. Kirkwood Ave. Bloomington IN 47405 USA
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14
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Jiao Z, Shi Q, Zhou JS. Asymmetric Intermolecular Heck Reaction of Propargylic Acetates and Cycloalkenes to Access Fused Cyclobutenes. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201708435] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Zhiwei Jiao
- Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; Singapore 637371 Singapore
| | - Qi Shi
- Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; Singapore 637371 Singapore
| | - Jianrong Steve Zhou
- Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; Singapore 637371 Singapore
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15
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Jiao Z, Shi Q, Zhou JS. Asymmetric Intermolecular Heck Reaction of Propargylic Acetates and Cycloalkenes to Access Fused Cyclobutenes. Angew Chem Int Ed Engl 2017; 56:14567-14571. [DOI: 10.1002/anie.201708435] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Revised: 09/28/2017] [Indexed: 12/12/2022]
Affiliation(s)
- Zhiwei Jiao
- Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; Singapore 637371 Singapore
| | - Qi Shi
- Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; Singapore 637371 Singapore
| | - Jianrong Steve Zhou
- Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; Singapore 637371 Singapore
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16
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Alcaide B, Almendros P, Lázaro-Milla C. Regioselective Synthesis of Heteroatom-Functionalized Cyclobutene-triflones and Cyclobutenones. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700492] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Benito Alcaide
- Grupo de Lactamas y Heterociclos Bioactivos; Departamento de Química Orgánica I; Unidad Asociada al CSIC; Facultad de Química; Universidad Complutense de Madrid; 28040 Madrid Spain
| | - Pedro Almendros
- Instituto de Química Orgánica General; Consejo Superior de Investigaciones Científicas; IQOG-CSIC; Juan de la Cierva 3 28006 Madrid Spain
| | - Carlos Lázaro-Milla
- Grupo de Lactamas y Heterociclos Bioactivos; Departamento de Química Orgánica I; Unidad Asociada al CSIC; Facultad de Química; Universidad Complutense de Madrid; 28040 Madrid Spain
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17
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Zhang Y, Liao Y, Liu X, Yao Q, Zhou Y, Lin L, Feng X. Catalytic Michael/Ring-Closure Reaction of α,β-Unsaturated Pyrazoleamides with Amidomalonates: Asymmetric Synthesis of (-)-Paroxetine. Chemistry 2016; 22:15119-15124. [PMID: 27576747 DOI: 10.1002/chem.201603056] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2016] [Indexed: 12/12/2022]
Abstract
A highly enantioselective tandem Michael/ring-closure reaction of α,β-unsaturated pyrazoleamides and amidomalonates has been accomplished in the presence of a chiral N,N'-dioxide-Yb(OTf)3 complex (Tf: trifluoromethanesulfonyl) to give various substituted chiral glutarimides with high yields and diastereo- and enantioselectivities. Moreover, this methodology could be used for gram-scale manipulation and was successfully applied to the synthesis of (-)-paroxetine. Further nonlinear and HRMS studies revealed that the real catalytically active species was a monomeric L-PMe2 -Yb3+ complex. A plausible transition state was proposed to explain the origin of the asymmetric induction.
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Affiliation(s)
- Yu Zhang
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, 610064, P.R. China), Fax: (+86) 28 8541 8249
| | - Yuting Liao
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, 610064, P.R. China), Fax: (+86) 28 8541 8249
| | - Xiaohua Liu
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, 610064, P.R. China), Fax: (+86) 28 8541 8249.
| | - Qian Yao
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, 610064, P.R. China), Fax: (+86) 28 8541 8249
| | - Yuhang Zhou
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, 610064, P.R. China), Fax: (+86) 28 8541 8249
| | - Lili Lin
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, 610064, P.R. China), Fax: (+86) 28 8541 8249
| | - Xiaoming Feng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, 610064, P.R. China), Fax: (+86) 28 8541 8249.
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