1
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Harariya MS, Gogoi R, Goswami A, Sharma AK, Jindal G. Is Enol Always the Culprit? The Curious Case of High Enantioselectivity in a Chiral Rh(II) Complex Catalyzed Carbene Insertion Reaction. Chemistry 2023; 29:e202301910. [PMID: 37665257 DOI: 10.1002/chem.202301910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 09/04/2023] [Accepted: 09/04/2023] [Indexed: 09/05/2023]
Abstract
The mechanism of Rh2 (S-NTTL)4 catalyzed carbene insertion into C(3)-H of indole is investigated using DFT methods. Since the commonly accepted enol mechanism cannot account for enantioinduction, a concerted oxocarbenium pathway was proposed in an earlier work using a model catalyst. However, after considering the full catalytic system, this study finds that akin to other reactions, here, too, the enol pathway is of lower energy, which now naturally raises a conundrum regarding the mode of chiral induction. Herein, a new water promoted mechanistic pathway involving a metal-associated enol intermediate hydrogen bonding and stereochemical model are proposed to solve this puzzle. It is shown how the catalyst bowl-shaped structure along with substrate-catalyst binding is crucial for achieving high levels of enantioselectivity. A stereodetermining water-assisted proton transfer is proposed and confirmed through deuterium-labeling experiments. The water molecules are held together by H-bonding interactions with the carboxylate ligands that is reminiscent of enzyme catalysis. Although several previous studies have aimed at understanding the mechanism of metal catalyzed carbene insertion reactions, the origin of high stereoinduction especially with chiral metal complexes remains unclear, and till date there is no transition state model that can explain the high enantioselectivity with such chiral Rh complexes. The metal-associated enol pathway is currently underrepresented in catalytic cycles and may play a crucial role in catalyst design. Since the enol pathway is commonly adopted in other metal-catalyzed X-H insertion reactions involving a diazoester, the presented results are not specific to the current reaction. Therefore, this study could provide the direction for achieving high levels of enantioselectivity which is otherwise difficult to achieve with a single metal catalyst.
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Affiliation(s)
- Mahesh S Harariya
- Department of Organic Chemistry, Indian Institute of Science, Bangalore, Karnataka, 560012, India
| | - Romin Gogoi
- Department of Organic Chemistry, Indian Institute of Science, Bangalore, Karnataka, 560012, India
| | - Anubhav Goswami
- Department of Organic Chemistry, Indian Institute of Science, Bangalore, Karnataka, 560012, India
| | - Akhilesh K Sharma
- Institute of Chemical Research of Catalonia (ICIQ), Avgda. Països Catalans, 1643007, Tarragona, 560012, Spain
| | - Garima Jindal
- Department of Organic Chemistry, Indian Institute of Science, Bangalore, Karnataka, 560012, India
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2
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Ning Y, Song Q, Sivaguru P, Wu L, Anderson EA, Bi X. Ag-Catalyzed Insertion of Alkynyl Carbenes into C-C Bonds of β-Ketocarbonyls: A Formal C(sp 2) Insertion. Org Lett 2022; 24:631-636. [PMID: 34985288 DOI: 10.1021/acs.orglett.1c04081] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Here we report a silver-catalyzed alkynyl carbene insertion into β-ketocarbonyls using alkynyl N-nosylhydrazones as alkynyl carbene precursors, which provides access to trisubstituted allenyl ketones. This reaction represents the first example of an alkynyl carbene insertion into a C-C σ bond, affording products homologated with an sp2 carbon center. The products are useful substrates for further transformations. Experimental investigations and theoretical calculations suggest the reaction proceeds through a stepwise enol cyclopropanation/retro-aldol pathway.
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Affiliation(s)
- Yongquan Ning
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Qingmin Song
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Paramasivam Sivaguru
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Lizuo Wu
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Edward A Anderson
- Chemistry Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, U.K
| | - Xihe Bi
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Department of Chemistry, Northeast Normal University, Changchun 130024, China.,State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
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3
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Deng Q, Mu F, Qiao Y, Wei D. N-Heterocyclic Carbene-Catalyzed Asymmetric C-O Bond Construction Between Benzoic Acid and o-Phthalaldehyde: Mechanism and Origin of Stereoselectivity. Chem Asian J 2021; 16:2346-2350. [PMID: 34224204 DOI: 10.1002/asia.202100351] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2021] [Revised: 06/21/2021] [Indexed: 12/27/2022]
Abstract
A computational study was contributed to explore the origin of stereoselectivity of NHC-mediated cyclization reaction between benzoic acid and o-phthalaldehyde for asymmetric construction of phthalidyl ester. The most energetically favorable pathway mainly includes the following steps: (1) nucleophilic attack on carbonyl carbon of o-phthalaldehyde by catalyst NHC, (2) formation of Breslow intermediate, (3) oxidation by DQ, (4) asymmetric formation of dual C-O bonds, and (5) dissociation of catalyst with the product. The C-O bond formation was testified as the stereoselectivity-determining step, the R-configurational pathway is more energetically favorable than the S-configurational one. The non-covalent interaction (NCI) and atom-in-molecule (AIM) analyses were performed to reveal that the O-H ⋅⋅⋅ O and C-H ⋅⋅⋅ O hydrogen-bond interactions are the key factors for controlling the stereoselectivity. The detailed mechanism and origin of stereoselectivity give useful insights for understanding organocatalytic reactions for asymmetric construction of C-O bond.
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Affiliation(s)
- Qianqian Deng
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, 100 Science Avenue, Zhengzhou, Henan, 450001, P. R. China
| | - Fangjing Mu
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, 100 Science Avenue, Zhengzhou, Henan, 450001, P. R. China
| | - Yan Qiao
- Department of Pathophysiology, School of Basic Medical Sciences, Zhengzhou University of Light Industry, 100 Science Avenue, Zhengzhou, Henan, 450001, P. R. China
| | - Donghui Wei
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, 100 Science Avenue, Zhengzhou, Henan, 450001, P. R. China
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4
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Lv K, Bao X. Mechanistic insights into the Rh( i)-catalyzed transannulation of 1,2,3-thiadiazoles with alkenes, alkynes, and nitriles: Does the intermediacy of α-thiavinyl Rh-carbenoids play an important role? Org Chem Front 2021. [DOI: 10.1039/d0qo01246g] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Density functional theory (DFT) calculations were performed to gain an in-depth mechanistic understanding of the Rh(i)-catalyzed transannulation of 1,2,3-thiadiazoles with alkenes, alkynes, and nitriles.
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Affiliation(s)
- Kang Lv
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou
- China
| | - Xiaoguang Bao
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou
- China
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5
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Kou L, Dai P, Bao X. Mechanistic Insights into the Rh(I)/Rh
2
(II)‐Catalyzed Divergent Ring‐Opening of Cyclopropenes: A Computational Study. ChemCatChem 2020. [DOI: 10.1002/cctc.202001149] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Luyao Kou
- College of Chemistry Chemical Engineering and Materials Science Soochow University 199 Ren-Ai Road Suzhou Industrial Park Suzhou Jiangsu 215123 P.R. China
| | - Ping Dai
- College of Chemistry Chemical Engineering and Materials Science Soochow University 199 Ren-Ai Road Suzhou Industrial Park Suzhou Jiangsu 215123 P.R. China
| | - Xiaoguang Bao
- College of Chemistry Chemical Engineering and Materials Science Soochow University 199 Ren-Ai Road Suzhou Industrial Park Suzhou Jiangsu 215123 P.R. China
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6
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Abstract
This article reviews synthetic transformations involving cleavage of a carbon-carbon bond of a four-membered ring, with a particular focus on the examples reported during the period from 2011 to the end of 2019. Most significant is the progress of catalytic reactions involving oxidative addition of carbon-carbon bonds onto transition metals or β-carbon elimination of transition metal alkoxides. When they are looked at from synthetic perspectives, they offer unique and efficient methods to build complex natural products and structures that are difficult to construct by conventional methods. On the other hand, β-scission of radical intermediates has also attracted increasing attention as an alternative elementary step to cleave carbon-carbon bonds. Its site-selectivity is often complementary to that of transition metal-catalyzed reactions. In addition, Lewis acid-mediated and thermally induced ring-opening of cyclobutanone derivatives has garnered renewed attention. On the whole, these examples demonstrate unique synthetic potentials of structurally strained four-membered ring compounds for the construction of organic skeletons.
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Affiliation(s)
- Masahiro Murakami
- Department of Synthetic Chemistry and Biological Chemistry, Kyoto University, Katsura, Kyoto 615-8510, Japan
| | - Naoki Ishida
- Department of Synthetic Chemistry and Biological Chemistry, Kyoto University, Katsura, Kyoto 615-8510, Japan
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7
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Zhang T, Wu X, Li J. Theoretical Study of Rhodium‐Catalyzed C−C Activation of Cyclobutanones: Origin of Ligand‐Controlled Product Selectivity. ChemCatChem 2020. [DOI: 10.1002/cctc.201902069] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Tian Zhang
- Department of ChemistryJinan University Huangpu Road West 601 Guangzhou 510632 P. R. China
| | - Xiajun Wu
- Department of ChemistryJinan University Huangpu Road West 601 Guangzhou 510632 P. R. China
| | - Juan Li
- Department of ChemistryJinan University Huangpu Road West 601 Guangzhou 510632 P. R. China
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8
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Deng Q, Li SJ, Wei D, Lan Y. Insights into Lewis base-catalyzed chemoselective [3 + 2] and [3 + 4] annulation reactions of MBH carbonates. Org Chem Front 2020. [DOI: 10.1039/d0qo00457j] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The chemoselectivity of Lewis base-catalyzed [3 + 2] and [3 + 4] annulation reactions of MBH carbonates can be predicted using FMO overlap analysis.
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Affiliation(s)
- Qianqian Deng
- College of Chemistry
- and Institute of Green Catalysis
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
| | - Shi-Jun Li
- College of Chemistry
- and Institute of Green Catalysis
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
| | - Donghui Wei
- College of Chemistry
- and Institute of Green Catalysis
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
| | - Yu Lan
- College of Chemistry
- and Institute of Green Catalysis
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
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9
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Deng Q, Wang Y, Li SJ, Qu LB, Lan Y, Wei D. Origin and stabilization of axial chirality in the construction of naphthyl-C2-indoles: a DFT study. Org Chem Front 2020. [DOI: 10.1039/d0qo00936a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
A novel method for predicting the stabilization of axial chirality in the construction of naphthyl-C2-indoles has been suggested for the first time.
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Affiliation(s)
- Qianqian Deng
- College of Chemistry
- and Institute of Green Catalysis
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
| | - Yang Wang
- Department of Material and Chemical Engineering
- Zhengzhou University of Light Industry
- Zhengzhou 450002
- P.R. China
| | - Shi-Jun Li
- College of Chemistry
- and Institute of Green Catalysis
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
| | - Ling-Bo Qu
- College of Chemistry
- and Institute of Green Catalysis
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
| | - Yu Lan
- College of Chemistry
- and Institute of Green Catalysis
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
| | - Donghui Wei
- College of Chemistry
- and Institute of Green Catalysis
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
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10
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Liu Q, Li SJ, Li. X, Qu LB, Wei D. A Computational Study on the 4-Dimethylaminopyridine (DMAP)-Catalyzed Regioselective [2+4] Cyclization of Allenic Ester with Cyclic Ketimine. ChemistrySelect 2018. [DOI: 10.1002/slct.201802267] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Qiuli Liu
- The College of Chemistry and Molecular Engineering; Center of Computational Chemistry; Zhengzhou University; 100 Science Avenue Zhengzhou Henan Province 450001 P. R. China
| | - Shi-Jun Li
- The College of Chemistry and Molecular Engineering; Center of Computational Chemistry; Zhengzhou University; 100 Science Avenue Zhengzhou Henan Province 450001 P. R. China
| | - Xue Li.
- The College of Chemistry and Molecular Engineering; Center of Computational Chemistry; Zhengzhou University; 100 Science Avenue Zhengzhou Henan Province 450001 P. R. China
| | - Ling-Bo Qu
- The College of Chemistry and Molecular Engineering; Center of Computational Chemistry; Zhengzhou University; 100 Science Avenue Zhengzhou Henan Province 450001 P. R. China
| | - Donghui Wei
- The College of Chemistry and Molecular Engineering; Center of Computational Chemistry; Zhengzhou University; 100 Science Avenue Zhengzhou Henan Province 450001 P. R. China
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11
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Li X, Tang M, Wang Y, Wang Y, Li Z, Qu LB, Wei D. Insights into the N-Heterocyclic Carbene (NHC)-Catalyzed Intramolecular Cyclization of Aldimines: General Mechanism and Role of Catalyst. Chem Asian J 2018; 13:1710-1718. [PMID: 29667337 DOI: 10.1002/asia.201800313] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 04/02/2018] [Indexed: 12/14/2022]
Abstract
One of the most challenging questions in the Lewis base organocatalyst field is how to predict the most electrophilic carbon for the complexation of N-heterocyclic carbene (NHC) and reactant. This study provides a valuable case for this issue. Multiple mechanisms (A, B, C, D, and E) for the intramolecular cyclization of aldimine catalyzed by NHC were investigated by using density functional theory (DFT). The computed results reveal that the NHC energetically prefers attacking the iminyl carbon (AIC mode, which is associated with mechanisms A and C) rather than attacking the olefin carbon (AOC mode, which is associated with mechanisms B and D) or attacking the carbonyl carbon (ACC mode, which is associated with mechanism E) of aldimine. The calculated results based on the different reaction models indicate that mechanism A (AIC mode), which is associated with the formation of the aza-Breslow intermediate, is the most favorable pathway. For mechanism A, there are five steps: (1) nucleophilic addition of NHC to the iminyl carbon of aldimine; (2) [1,2]-proton transfer to form an aza-Breslow intermediate; (3) intramolecular cyclization; (4) the other [1,2]-proton transfer; and (5) regeneration of NHC. The analyses of reactivity indexes have been applied to explain the chemoselectivity, and the general principles regarding the possible mechanisms would be useful for the rational design of NHC-catalyzed chemoselective reactions.
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Affiliation(s)
- Xue Li
- The College of Chemistry and Molecular Engineering, Zhengzhou University, No. 100 Kexue Street, Zhengzhou, Henan, 450001, P. R. China
| | - Mingsheng Tang
- The College of Chemistry and Molecular Engineering, Zhengzhou University, No. 100 Kexue Street, Zhengzhou, Henan, 450001, P. R. China
| | - Yanyan Wang
- The College of Chemistry and Molecular Engineering, Zhengzhou University, No. 100 Kexue Street, Zhengzhou, Henan, 450001, P. R. China
| | - Yang Wang
- Department of Material and Chemical Engineering, Zhengzhou University of Light Industry, No. 100 Kexue Street, Zhengzhou, Henan, 450002, P. R. China
| | - Zhongjun Li
- The College of Chemistry and Molecular Engineering, Zhengzhou University, No. 100 Kexue Street, Zhengzhou, Henan, 450001, P. R. China
| | - Ling-Bo Qu
- The College of Chemistry and Molecular Engineering, Zhengzhou University, No. 100 Kexue Street, Zhengzhou, Henan, 450001, P. R. China
| | - Donghui Wei
- The College of Chemistry and Molecular Engineering, Zhengzhou University, No. 100 Kexue Street, Zhengzhou, Henan, 450001, P. R. China
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12
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Xu ZY, Zhang SQ, Liu JR, Chen PP, Li X, Yu HZ, Hong X, Fu Y. Mechanism and Origins of Chemo- and Regioselectivities of Pd-Catalyzed Intermolecular σ-Bond Exchange between Benzocyclobutenones and Silacyclobutanes: A Computational Study. Organometallics 2018. [DOI: 10.1021/acs.organomet.7b00903] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Zheng-Yang Xu
- Department
of Chemistry, Zhejiang University, Hangzhou 310027, China
- Hefei
National Laboratory for Physical Sciences at the Microscale, CAS Key
Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory
of Biomass Clean Energy, iChEM, Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Shuo-Qing Zhang
- Department
of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Ji-Ren Liu
- Department
of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Pan-Pan Chen
- Department
of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Xin Li
- Department
of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Hai-Zhu Yu
- Department
of Chemistry and Centre for Atomic Engineering of Advanced Materials, Anhui University, Hefei 230601, China
| | - Xin Hong
- Department
of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Yao Fu
- Hefei
National Laboratory for Physical Sciences at the Microscale, CAS Key
Laboratory of Urban Pollutant Conversion, Anhui Province Key Laboratory
of Biomass Clean Energy, iChEM, Department of Chemistry, University of Science and Technology of China, Hefei 230026, China
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13
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Bai H, Xu H, Zhang H, Guo Y, Shan J, Wei D, Zhu Y, Zhang S, Zhang W. Theoretical investigations of the Ir-catalyzed direct borylation of B(3,6)–H of o-carborane: the actual catalyst, mechanism, and origin of regioselectivity. Catal Sci Technol 2018. [DOI: 10.1039/c8cy01322e] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The IrIII species is proved to be the actual catalyst. The electron-delocalized structure and the inductive effects of the carbon centers is account for the regioselectivity.
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Affiliation(s)
- Huining Bai
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P. R. China
| | - Hao Xu
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P. R. China
| | - Huimin Zhang
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P. R. China
| | - Yuen Guo
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P. R. China
| | - Jiankai Shan
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P. R. China
| | - Donghui Wei
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P. R. China
| | - Yanyan Zhu
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P. R. China
| | - Shouren Zhang
- Henan Provincial Key Laboratory of Nanocomposites and Applications
- Institute of Nanostructured Functional Materials
- Huanghe Science and Technology College
- Zhengzhou
- China
| | - Wenjing Zhang
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P. R. China
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14
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Wang Y, Wang Y, Wang X, Li X, Qu LB, Wei D. Competing mechanisms and origins of chemo- and stereo-selectivities of NHC-catalyzed reactions of enals with 2-aminoacrylates. Catal Sci Technol 2018. [DOI: 10.1039/c8cy01272e] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
A DFT study on competing mechanisms of NHC-catalyzed reactions of enals with 2-aminoacrylates has been performed for the first time.
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Affiliation(s)
- Yang Wang
- Department of Material and Chemical Engineering
- Zhengzhou University of Light Industry
- Zhengzhou
- P.R. China
| | - Yanyan Wang
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Xinghua Wang
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Xue Li
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Ling-Bo Qu
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Donghui Wei
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P.R. China
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15
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Shi Q, Zhang W, Wang Y, Qu L, Wei D. Insights into the isothiourea-catalyzed asymmetric [4 + 2] annulation of phenylacetic acid with alkylidene pyrazolone. Org Biomol Chem 2018. [DOI: 10.1039/c7ob03142d] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A computational study on the isothiourea-catalyzed asymmetric [4 + 2] annulation of phenylacetic acid with alkylidene pyrazolone was performed using the DFT method.
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Affiliation(s)
- Qianqian Shi
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Wei Zhang
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Yang Wang
- Department of Material and Chemical Engineering
- Zhengzhou University of Light Industry
- Zhengzhou
- P.R. China
| | - Lingbo Qu
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Donghui Wei
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou
- P.R. China
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16
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Xia Y, Qiu D, Wang J. Transition-Metal-Catalyzed Cross-Couplings through Carbene Migratory Insertion. Chem Rev 2017; 117:13810-13889. [PMID: 29091413 DOI: 10.1021/acs.chemrev.7b00382] [Citation(s) in RCA: 788] [Impact Index Per Article: 112.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Transition-metal-catalyzed cross-coupling reactions have been well-established as indispensable tools in modern organic synthesis. One of the major research goals in cross-coupling area is expanding the scope of the coupling partners. In the past decade, diazo compounds (or their precursors N-tosylhydrazones) have emerged as nucleophilic cross-coupling partners in C-C single bond or C═C double bond formations in transition-metal-catalyzed reactions. This type of coupling reaction involves the following general steps. First, the organometallic species is generated by various processes, including oxidative addition, transmetalation, cyclization, C-C bond cleavage, and C-H bond activation. Subsequently, the organometallic species reacts with the diazo substrate to generate metal carbene intermediate, which undergoes rapid migratory insertion to form a C-C bond. The new organometallic species generated from migratory insertion may undergo various transformations. This type of carbene-based coupling has proven to be general: various transition metals including Pd, Cu, Rh, Ni, Co, and Ir are effective catalysts; the scope of the reaction has also been extended to substrates other than diazo compounds; and various cascade processes have also been devised based on the carbene migratory insertion. This review will summarize the achievements made in this field since 2001.
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Affiliation(s)
- Ying Xia
- Beijing National Laboratory of Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University , Beijing 100871, China
| | - Di Qiu
- Beijing National Laboratory of Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University , Beijing 100871, China
| | - Jianbo Wang
- Beijing National Laboratory of Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University , Beijing 100871, China
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17
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Qin HL, Zhao C, Leng J, Kantchev EAB. Characterization of the RhI/dppe-Catalyzed Ring Expansion of 2-Alkyl-Benzocyclobutenones by DFT Calculations. Chemistry 2017; 23:15997-16003. [DOI: 10.1002/chem.201703096] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2017] [Indexed: 12/22/2022]
Affiliation(s)
- Hua-Li Qin
- State Key Laboratory of Silicate Materials for Architectures; School of Chemistry; Chemical Engineering, and Life Science; Wuhan University of Technology; 122 Luoshi Road Wuhan 430070 Hubei P.R. China
| | - Chuang Zhao
- State Key Laboratory of Silicate Materials for Architectures; School of Chemistry; Chemical Engineering, and Life Science; Wuhan University of Technology; 122 Luoshi Road Wuhan 430070 Hubei P.R. China
| | - Jing Leng
- State Key Laboratory of Silicate Materials for Architectures; School of Chemistry; Chemical Engineering, and Life Science; Wuhan University of Technology; 122 Luoshi Road Wuhan 430070 Hubei P.R. China
| | - Eric Assen B. Kantchev
- School of Chemistry and Chemical Engineering; Hefei University of Technology; 193 Tunxi Road Hefei 230009 Anhui P.R. China
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18
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Wang W, Wei D. A DFT Study of N-Heterocyclic Carbene Catalyzed [4+2] Annulation between Saturated Carboxylate withortho-Quinone Methide: Possible Mechanisms and Origin of Enantioselectivity. ChemistrySelect 2017. [DOI: 10.1002/slct.201701679] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Wei Wang
- The College of Chemistry and Molecular Engineering; Center of Computational Chemistry; Zhengzhou University; Zhengzhou, Henan Province 450001 P. R. China
| | - Donghui Wei
- The College of Chemistry and Molecular Engineering; Center of Computational Chemistry; Zhengzhou University; Zhengzhou, Henan Province 450001 P. R. China
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19
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Insights into chemoselective fluorination reaction of alkynals via N-heterocyclic carbene and Brønsted base cooperative catalysis. Theor Chem Acc 2017. [DOI: 10.1007/s00214-017-2127-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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20
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Wang W, Wang Y, Zheng L, Qiao Y, Wei D. A DFT Study on Mechanisms and Origin of Selectivity of Phosphine-Catalyzed Vicinal Acylcyanation of Alkynoates. ChemistrySelect 2017. [DOI: 10.1002/slct.201700996] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Wei Wang
- The College of Chemistry and Molecular Engineering, Center of Computational Chemistry; Zhengzhou University; Zhengzhou, Henan Province 450001 P. R. China
| | - Yang Wang
- The College of Chemistry and Molecular Engineering, Center of Computational Chemistry; Zhengzhou University; Zhengzhou, Henan Province 450001 P. R. China
| | - Linjie Zheng
- The College of Chemistry and Molecular Engineering, Center of Computational Chemistry; Zhengzhou University; Zhengzhou, Henan Province 450001 P. R. China
| | - Yan Qiao
- Department of Pathophysiology, School of Basic Medical Sciences; Zhengzhou University; Zhengzhou, Henan Province 450001 P. R. China
| | - Donghui Wei
- The College of Chemistry and Molecular Engineering, Center of Computational Chemistry; Zhengzhou University; Zhengzhou, Henan Province 450001 P. R. China
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21
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Yang Y, Liu Q, Zhang L, Yu H, Dang Z. Mechanistic Investigation on Oxygen-Mediated Photoredox Diels–Alder Reactions with Chromium Catalysts. Organometallics 2017. [DOI: 10.1021/acs.organomet.6b00886] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yimeng Yang
- Department
of Polymer Science and Engineering, University of Science and Technology Beijing, Beijing 100083, People’s Republic of China
- Department
of Chemistry and Center for Atomic Engineering of Advanced Materials, Anhui University, Hefei 230601, People’s Republic of China
| | - Qian Liu
- Department
of Chemistry and Center for Atomic Engineering of Advanced Materials, Anhui University, Hefei 230601, People’s Republic of China
| | - Liang Zhang
- Department
of Polymer Science and Engineering, University of Science and Technology Beijing, Beijing 100083, People’s Republic of China
| | - Haizhu Yu
- Department
of Chemistry and Center for Atomic Engineering of Advanced Materials, Anhui University, Hefei 230601, People’s Republic of China
| | - Zhimin Dang
- Department
of Polymer Science and Engineering, University of Science and Technology Beijing, Beijing 100083, People’s Republic of China
- State
Key Laboratory of Power System and Department of Electrical Engineering, Tsinghua University, Beijing 100084, People’s Republic of China
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22
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Qi ZH, Zhang Y, Gao Y, Zhang Y, Wang XW, Wang Y. Mechanism, reactivity, and regioselectivity in rhodium-catalyzed asymmetric ring-opening reactions of oxabicyclic alkenes: a DFT Investigation. Sci Rep 2017; 7:40491. [PMID: 28074930 PMCID: PMC5225450 DOI: 10.1038/srep40491] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Accepted: 12/06/2016] [Indexed: 11/08/2022] Open
Abstract
The origin of the enantio- and regioselectivity of ring-opening reaction of oxabicyclic alkenes catalyzed by rhodium/Josiphos has been examined using M06-2X density functional theory(DFT). DFT calculations predict a 98% ee for the enantioselectivity and only the 1,2-trans product as one regio- and diastereomer, in excellent agreement with experimental results. The solvent tetrahydrofuran(THF) plays a key role in assisting nucleophilic attack. Orbital composition analysis of the LUMO and the NPA atomic charge calculations were conducted to probe the origins of the regioselectivity. The orbital composition analysis reveals two potential electrophilic sites of the Rh-π-allyl intermediate M3 and the NPA atomic charges demonstrate that Cα carries more positive charges than Cγ, which suggests that Cα is the electrophilic site.
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Affiliation(s)
- Zheng-Hang Qi
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s Republic of China
| | - Yi Zhang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s Republic of China
| | - Yun Gao
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s Republic of China
| | - Ye Zhang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s Republic of China
| | - Xing-Wang Wang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s Republic of China
| | - Yong Wang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s Republic of China
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23
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Zhang XB, Hu ZY, Zhou GE, Wang S. Theoretical Insights into the Synthesis of 2,3-Dihydropyridines from Unsaturated Oximes by Rh III-Catalyzed C-H Activation - A DFT Study. European J Org Chem 2017. [DOI: 10.1002/ejoc.201601247] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Xiang-Biao Zhang
- School of Chemical Engineering; Anhui University of Science and Technology; 232001 Huainan People's Republic of China
| | - Zhen-Yuan Hu
- School of Chemical Engineering; Anhui University of Science and Technology; 232001 Huainan People's Republic of China
| | - Gui-E Zhou
- School of Chemical Engineering; Anhui University of Science and Technology; 232001 Huainan People's Republic of China
| | - Song Wang
- Institute of Theoretical Chemistry; Jilin University; 130023 Changchun People's Republic of China
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24
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The chemistry of the carbon-transition metal double and triple bond: Annual survey covering the year 2015. Coord Chem Rev 2016. [DOI: 10.1016/j.ccr.2016.08.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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25
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Theoretical investigations towards the [4+2] cycloaddition of ketenes with 1-azadienes catalyzed by N -heterocyclic carbenes: mechanism and stereoselectivity. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.06.057] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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26
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Zhang X, Tang M, Wang Y, Ran Y, Wei D, Zhu Y, Zhang W. DFT Study on the Mechanism and Stereoselectivity of NHC-Catalyzed Synthesis of Substituted Trifluoromethyl Dihydropyranones with Contiguous Stereocenters. J Org Chem 2016; 81:868-77. [DOI: 10.1021/acs.joc.5b02439] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Xiaoli Zhang
- The College
of Chemistry
and Molecular Engineering, Zhengzhou University, Zhengzhou, Henan Province 450001, P. R. China
| | - Mingsheng Tang
- The College
of Chemistry
and Molecular Engineering, Zhengzhou University, Zhengzhou, Henan Province 450001, P. R. China
| | - Yang Wang
- The College
of Chemistry
and Molecular Engineering, Zhengzhou University, Zhengzhou, Henan Province 450001, P. R. China
| | - Yingying Ran
- The College
of Chemistry
and Molecular Engineering, Zhengzhou University, Zhengzhou, Henan Province 450001, P. R. China
| | - Donghui Wei
- The College
of Chemistry
and Molecular Engineering, Zhengzhou University, Zhengzhou, Henan Province 450001, P. R. China
| | - Yanyan Zhu
- The College
of Chemistry
and Molecular Engineering, Zhengzhou University, Zhengzhou, Henan Province 450001, P. R. China
| | - Wenjing Zhang
- The College
of Chemistry
and Molecular Engineering, Zhengzhou University, Zhengzhou, Henan Province 450001, P. R. China
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27
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Zheng L, Tang M, Wang Y, Guo X, Wei D, Qiao Y. A DFT study on PBu3-catalyzed intramolecular cyclizations of N-allylic substituted α-amino nitriles for the formation of functionalized pyrrolidines: mechanisms, selectivities, and the role of catalysts. Org Biomol Chem 2016; 14:3130-41. [DOI: 10.1039/c6ob00150e] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The detailed mechanisms and stereoselectivities of PBu3-catalyzed intramolecular cyclizations for the formation of functionalized pyrrolidines have been investigated using a DFT method.
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Affiliation(s)
- Linjie Zheng
- School of Basic Medical Sciences
- Zhengzhou University
- Zhengzhou
- P.R. China
- The College of Chemistry and Molecular Engineering
| | - Mingsheng Tang
- The College of Chemistry and Molecular Engineering
- Center of Computational Chemistry
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Yang Wang
- The College of Chemistry and Molecular Engineering
- Center of Computational Chemistry
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Xiaokang Guo
- The College of Chemistry and Molecular Engineering
- Center of Computational Chemistry
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Donghui Wei
- The College of Chemistry and Molecular Engineering
- Center of Computational Chemistry
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Yan Qiao
- School of Basic Medical Sciences
- Zhengzhou University
- Zhengzhou
- P.R. China
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28
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Zhang W, Wang Y, Wei D, Tang M, Zhu X. A DFT study on NHC-catalyzed intramolecular aldehyde–ketone crossed-benzoin reaction: mechanism, regioselectivity, stereoselectivity, and role of NHC. Org Biomol Chem 2016; 14:6577-90. [DOI: 10.1039/c6ob00791k] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
A computational study on NHC-catalyzed intramolecular aldehyde–ketone crossed-benzoin reaction has been performed using a DFT method.
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Affiliation(s)
- Wei Zhang
- The College of Chemistry and Molecular Engineering
- Center of Computational Chemistry
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Yang Wang
- The College of Chemistry and Molecular Engineering
- Center of Computational Chemistry
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Donghui Wei
- The College of Chemistry and Molecular Engineering
- Center of Computational Chemistry
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Mingsheng Tang
- The College of Chemistry and Molecular Engineering
- Center of Computational Chemistry
- Zhengzhou University
- Zhengzhou
- P.R. China
| | - Xinju Zhu
- The College of Chemistry and Molecular Engineering
- Center of Computational Chemistry
- Zhengzhou University
- Zhengzhou
- P.R. China
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29
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Matsuda T, Yuihara I, Kondo K. Rhodium(i)-catalysed skeletal reorganisation of benzofused spiro[3.3]heptanes via consecutive carbon–carbon bond cleavage. Org Biomol Chem 2016; 14:7024-7. [DOI: 10.1039/c6ob01344a] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Benzofused spiro[3.3]heptane derivatives undergo skeletal reorganisations involving two consecutive carbon–carbon bond cleavages in the presence of rhodium(i) catalysts to afford substituted naphthalenes.
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Affiliation(s)
- Takanori Matsuda
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo 162-8601
- Japan
| | - Itaru Yuihara
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo 162-8601
- Japan
| | - Kazuki Kondo
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo 162-8601
- Japan
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30
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Wang Y, Wei D, Wang Y, Zhang W, Tang M. N-Heterocyclic Carbene (NHC)-Catalyzed sp3 β-C–H Activation of Saturated Carbonyl Compounds: Mechanism, Role of NHC, and Origin of Stereoselectivity. ACS Catal 2015. [DOI: 10.1021/acscatal.5b01710] [Citation(s) in RCA: 94] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yanyan Wang
- College of Chemistry and
Molecular Engineering, Center of Computational Chemistry, Zhengzhou University, Zhengzhou, Henan 450001, P. R. China
| | - Donghui Wei
- College of Chemistry and
Molecular Engineering, Center of Computational Chemistry, Zhengzhou University, Zhengzhou, Henan 450001, P. R. China
| | - Yang Wang
- College of Chemistry and
Molecular Engineering, Center of Computational Chemistry, Zhengzhou University, Zhengzhou, Henan 450001, P. R. China
| | - Wenjing Zhang
- College of Chemistry and
Molecular Engineering, Center of Computational Chemistry, Zhengzhou University, Zhengzhou, Henan 450001, P. R. China
| | - Mingsheng Tang
- College of Chemistry and
Molecular Engineering, Center of Computational Chemistry, Zhengzhou University, Zhengzhou, Henan 450001, P. R. China
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31
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Sawano S, Ishida N, Murakami M. Hydrogenolysis of 1-Alkoxybenzocyclobutenes with Site-selective Cleavage of the Sterically Hindered C(sp2)–C(sp3) Bond. CHEM LETT 2015. [DOI: 10.1246/cl.150719] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Shota Sawano
- Department of Synthetic Chemistry and Biological Chemistry, Kyoto University
| | - Naoki Ishida
- Department of Synthetic Chemistry and Biological Chemistry, Kyoto University
| | - Masahiro Murakami
- Department of Synthetic Chemistry and Biological Chemistry, Kyoto University
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32
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Vafaeezadeh M, Fattahi A. DFT investigations for “Fischer” esterification mechanism over silica-propyl-SO3H catalyst: Is the reaction reversible? COMPUT THEOR CHEM 2015. [DOI: 10.1016/j.comptc.2015.07.028] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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33
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Zhang W, Zhao X, Qiao Y, Guo X, Wang Y, Wei D, Tang M, Niu J. A DFT study on the reaction mechanisms of phosphonation of heteroaryl N-oxides with H-phosphonates. COMPUT THEOR CHEM 2015. [DOI: 10.1016/j.comptc.2015.08.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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34
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Mechanisms of water-promoted aryl azide conversion into N-alkylated aniline: Two competitive pathways. COMPUT THEOR CHEM 2015. [DOI: 10.1016/j.comptc.2015.07.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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35
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Wang Y, Guo X, Tang M, Wei D. Theoretical Investigations toward the Asymmetric Insertion Reaction of Diazoester with Aldehyde Catalyzed by N-Protonated Chiral Oxazaborolidine: Mechanisms and Stereoselectivity. J Phys Chem A 2015; 119:8422-31. [DOI: 10.1021/acs.jpca.5b04793] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yang Wang
- The College of Chemistry
and Molecular Engineering, Center of Computational Chemistry, Zhengzhou University, Zhengzhou, Henan Province 450001, P. R. China
| | - Xiaokang Guo
- The College of Chemistry
and Molecular Engineering, Center of Computational Chemistry, Zhengzhou University, Zhengzhou, Henan Province 450001, P. R. China
| | - Mingsheng Tang
- The College of Chemistry
and Molecular Engineering, Center of Computational Chemistry, Zhengzhou University, Zhengzhou, Henan Province 450001, P. R. China
| | - Donghui Wei
- The College of Chemistry
and Molecular Engineering, Center of Computational Chemistry, Zhengzhou University, Zhengzhou, Henan Province 450001, P. R. China
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