1
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Badeji AA, Liu Y, Oladipo SD, Osinubi AD. Computational insights into the mechanisms and origins of switchable selectivity in gold(i)-catalyzed annulation of ynamides with isoxazoles via 6π-electrocyclizations of azaheptatrienyl cations. RSC Adv 2023; 13:18025-18037. [PMID: 37323448 PMCID: PMC10265590 DOI: 10.1039/d3ra02839a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Accepted: 06/05/2023] [Indexed: 06/17/2023] Open
Abstract
Electrocyclizations of acyclic conjugated π-motifs have emerged as a versatile and effective strategy for accessing various ring systems with excellent functional group tolerability and controllable selectivity. Typically, the realization of 6π-electrocyclization of heptatrienyl cations to afford seven-membered motif has proven difficult due to the high-energy state of the cyclizing seven-membered intermediate. Instead, it undergoes the Nazarov cyclization, affording a five-membered pyrrole product. However, the incorporation of a Au(i)-catalyst, a nitrogen atom and tosylamide group in the heptatrienyl cations unexpectedly circumvented the aforementioned high energy state to afford a seven-membered azepine product via 6π-electrocyclization in the annulation of 3-en-1-ynamides with isoxazoles. Therefore, extensive computational studies were carried out to investigate the mechanism of Au(i)-catalyzed [4+3] annulation of 3-en-1-ynamides with dimethylisoxazoles to produce a seven-membered 4H-azepine via the 6π-electrocyclization of azaheptatrienyl cations. Computational results showed that after the formation of the key α-imino gold carbene intermediate, the annulation of 3-en-1-ynamides with dimethylisoxazole occurs via the unusual 6π-electrocyclization to afford a seven-membered 4H-azepine exclusively. However, the annulation of 3-cyclohexen-1-ynamides with dimethylisoxazole occurs via the commonly proposed aza-Nazarov cyclization pathway to majorly generate five-membered pyrrole derivatives. The results from the DFT predictive analysis revealed that the key factors responsible for the different chemo-, and regio-selectivities observed are the cooperating effect of the tosylamide group on C1, the uninterrupted π-conjugation pattern of the α-imino gold(i) carbene and the substitution pattern at the cyclization termini. The Au(i)-catalyst is believed to assist in the stabilization of the azaheptatrienyl cation.
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Affiliation(s)
| | - Yuan Liu
- School of Chemistry and Chemical Engineering, Nantong University 9 Seyuan Road Nantong 226019 China
| | - Segun D Oladipo
- Department of Chemical Sciences, Olabisi Onabanjo University 2002 Ago-Iwoye Nigeria
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2
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Wang J, Li YF, Du J, Huang S, Ding CH, Wong HNC, Hou XL. Palladium-Catalyzed Asymmetric (3 + 2) Cycloaddition of Vinyl Epoxides with Substituted Propiolates. Enantioselective Formation of 2,3,4-Trisubstituted 2,3-Dihydrofurans. Org Lett 2022; 24:1561-1565. [DOI: 10.1021/acs.orglett.2c00253] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Juan Wang
- Henan Normal University, 46 East Jianshe Road, Xinxiang, Henan Province 453007 China
| | - Yun-Fan Li
- Department of Chemistry, Innovative Drug Research Center, Shanghai University, Shanghai 200444, China
| | - Juan Du
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, The Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
- University of The Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
| | - Shuai Huang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, The Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
- University of The Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
- Shanghai-Hong Kong Joint Laboratory in Chemical Synthesis, Shanghai Institute of Organic Chemistry, The Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
| | - Chang-Hua Ding
- Department of Chemistry, Innovative Drug Research Center, Shanghai University, Shanghai 200444, China
| | - Henry N. C. Wong
- Shanghai-Hong Kong Joint Laboratory in Chemical Synthesis, Shanghai Institute of Organic Chemistry, The Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong SAR 999077, China
- School of Science and Engineering, The Chinese University of Hong Kong (Shenzhen), Longgang
District, Shenzhen 518172, China
| | - Xue-Long Hou
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, The Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
- University of The Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
- Shanghai-Hong Kong Joint Laboratory in Chemical Synthesis, Shanghai Institute of Organic Chemistry, The Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
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3
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Ghosh T, Chatterjee J, Bhakta S. Gold-Catalyzed Hydroarylation Reactions: A Comprehensive Overview. Org Biomol Chem 2022; 20:7151-7187. [DOI: 10.1039/d2ob00960a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The hydroarylation of alkynes, alkene, and, allene is a cost-effective and efficient way to incorporate unsaturated moieties into aromatic substrates. This review focuses on gold-catalyzed hydroarylation, which produces aromatic alkenes,...
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4
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Li D, Zang W, Bird MJ, Hyland CJT, Shi M. Gold-Catalyzed Conversion of Highly Strained Compounds. Chem Rev 2020; 121:8685-8755. [DOI: 10.1021/acs.chemrev.0c00624] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Deyao Li
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, University of Chinese Academy of Sciences, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032 China
| | - Wenqing Zang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, University of Chinese Academy of Sciences, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032 China
| | - Melissa J. Bird
- School of Chemistry and Molecular Bioscience, Molecular Horizons Research Institute, University of Wollongong,Wollongong New South Wales 2500, Australia
| | - Christopher J. T. Hyland
- School of Chemistry and Molecular Bioscience, Molecular Horizons Research Institute, University of Wollongong,Wollongong New South Wales 2500, Australia
| | - Min Shi
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, University of Chinese Academy of Sciences, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032 China
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5
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Kardile RD, Chao T, Cheng M, Liu R. Gold(I)‐Catalyzed Highly Diastereo‐ and Enantioselective Cyclization–[4+3] Annulation Cascades between 2‐(1‐Alkynyl)‐2‐alken‐1‐ones and Anthranils. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202001854] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Rahul Dadabhau Kardile
- Frontier Research Center on Fundamental and Applied Sciences of Matters Department of Chemistry National Tsing-Hua University Hsinchu Taiwan, ROC
| | - Tzu‐Hsuan Chao
- Department of Chemistry National Cheng Kung University East District Tainan City Taiwan, ROC
| | - Mu‐Jeng Cheng
- Department of Chemistry National Cheng Kung University East District Tainan City Taiwan, ROC
| | - Rai‐Shung Liu
- Frontier Research Center on Fundamental and Applied Sciences of Matters Department of Chemistry National Tsing-Hua University Hsinchu Taiwan, ROC
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6
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Kardile RD, Chao T, Cheng M, Liu R. Gold(I)‐Catalyzed Highly Diastereo‐ and Enantioselective Cyclization–[4+3] Annulation Cascades between 2‐(1‐Alkynyl)‐2‐alken‐1‐ones and Anthranils. Angew Chem Int Ed Engl 2020; 59:10396-10400. [DOI: 10.1002/anie.202001854] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Indexed: 11/05/2022]
Affiliation(s)
- Rahul Dadabhau Kardile
- Frontier Research Center on Fundamental and Applied Sciences of Matters Department of Chemistry National Tsing-Hua University Hsinchu Taiwan, ROC
| | - Tzu‐Hsuan Chao
- Department of Chemistry National Cheng Kung University East District Tainan City Taiwan, ROC
| | - Mu‐Jeng Cheng
- Department of Chemistry National Cheng Kung University East District Tainan City Taiwan, ROC
| | - Rai‐Shung Liu
- Frontier Research Center on Fundamental and Applied Sciences of Matters Department of Chemistry National Tsing-Hua University Hsinchu Taiwan, ROC
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7
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Abstract
A (4+3)-cycloaddition combines a four-atom synthon and three-atom synthon to form seven-membered rings. In the past decade, many improvements have been made to this class of cycloaddition, including excellent diastereo- and enantioselectivities, both intra- and intermolecularly. Through the strategic use of transition-metal catalysts, acids, bases, and organocatalysts, it is possible to perform the cycloaddition on a variety of substrates, generating novel seven-membered rings. With these advances, (4+3)-cycloaddition has also been applied to the synthesis of biologically relevant compounds and natural products. We exclude the cycloadditions of cyclic dienes such as furan, pyrrole, cyclohexadiene or cyclopentadiene as Chiu, Harmata, Mascareñas and others have recently published thorough reviews on that topic. We will however discuss the recent additions (2009–2020) to the literature for the (4+3)-cycloadditions involving other types of four-atom synthons.1 Introduction2 Rhodium2.1 Cyclopropanation/Cope Rearrangement2.2 C–H activation3 Gold, Silver4 Copper5 Palladium, Platinum, Iridium6 Dual-Activation7 Conclusion
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Affiliation(s)
- Mark Lautens
- Davenport Research Laboratories, Department of Chemistry, University of Toronto
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8
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Li T, Wang H, Qian P, Yang Y, Li B, Zhang L. Au(i)-Catalyzed expeditious access to naphtho[2,3-c]furan-1(3-H)-ones from readily available propargylic ynoates. Chem Commun (Camb) 2018; 54:10447-10450. [DOI: 10.1039/c8cc06056h] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Gold(i)-catalyzed facile construction of naphtho[2,3-c]furan-1(3-H)-ones from readily available propargylic ynoates has been developed.
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Affiliation(s)
- Ting Li
- College of Chemistry and Pharmaceutical Engineering
- Nanyang Normal University
- Nanyang
- P. R. China
- Department of Chemistry and Biochemistry
| | - Huiyan Wang
- Department of Chemistry and Biochemistry
- University of California
- Santa Barbara
- California 93106
- USA
| | - Pengcheng Qian
- Department of Chemistry and Biochemistry
- University of California
- Santa Barbara
- California 93106
- USA
| | - Yuhan Yang
- College of Chemistry and Pharmaceutical Engineering
- Nanyang Normal University
- Nanyang
- P. R. China
| | - Bo Li
- College of Chemistry and Pharmaceutical Engineering
- Nanyang Normal University
- Nanyang
- P. R. China
| | - Liming Zhang
- Department of Chemistry and Biochemistry
- University of California
- Santa Barbara
- California 93106
- USA
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9
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Egger L, Guénée L, Bürgi T, Lacour J. Regioselective and Enantiospecific Synthesis of Dioxepines by (Cyclopentadienyl)ruthenium-Catalyzed Condensations of Diazocarbonyls and Oxetanes. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700638] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Léo Egger
- Department of Organic Chemistry; University of Geneva; Quai Ernest Ansermet 30 1211 Geneva 4 Switzerland
| | - Laure Guénée
- Laboratory of Crystallography; University of Geneva; Quai Ernest Ansermet 24 1211 Geneva 4 Switzerland
| | - Thomas Bürgi
- Department of Physical Chemistry; University of Geneva; Quai Ernest Ansermet 30 1211 Geneva 4 Switzerland
| | - Jérôme Lacour
- Department of Organic Chemistry; University of Geneva; Quai Ernest Ansermet 30 1211 Geneva 4 Switzerland
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10
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Fang W, Wei Y, Tang XY, Shi M. Gold(I)-Catalyzed Cycloisomerization of ortho
-(Propargyloxy)arenemethylenecyclopropanes Controlled by Adjacent Substituents at Aromatic Rings. Chemistry 2017; 23:6845-6852. [DOI: 10.1002/chem.201700600] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Indexed: 01/24/2023]
Affiliation(s)
- Wei Fang
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, School of Chemistry and Molecular Engineering; East China University of Science and Technology; Meilong Road No. 130 Shanghai 200237 P.R. China
| | - Yin Wei
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 P.R. China
| | - Xiang-Ying Tang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 P.R. China
| | - Min Shi
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, School of Chemistry and Molecular Engineering; East China University of Science and Technology; Meilong Road No. 130 Shanghai 200237 P.R. China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 345 Lingling Road Shanghai 200032 P.R. China
- State Key Laboratory and Institute of Elemento-organic Chemistry; Nankai University; Tianjin 300071 P.R. China)
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11
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Lanier ML, Park H, Mukherjee P, Timmerman JC, Ribeiro AA, Widenhoefer RA, Hong J. Formal Synthesis of (+)-Laurencin by Gold(I)-Catalyzed Intramolecular Dehydrative Alkoxylation. Chemistry 2017; 23:7180-7184. [PMID: 28393406 DOI: 10.1002/chem.201700499] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Indexed: 12/20/2022]
Abstract
8-Membered cyclic ethers are found in a wide range of natural products; however, they are challenging synthetic targets due to enthalpic and entropic barriers. The gold(I)-catalyzed intramolecular dehydrative alkoxylation of ω-hydroxy allylic alcohols was explored to stereoselectively construct α,α'-cis-oxocenes and further applied in a formal synthesis of (+)-laurencin. The gold(I)-catalyzed intramolecular dehydrative alkoxylation may constitute an alternative method for the synthesis of molecular building blocks and natural products that contain highly functionalized 8-membered cyclic ethers.
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Affiliation(s)
- Megan L Lanier
- Department of Chemistry, Duke University, Durham, North Carolina, 27708, USA.,Hammond High Magnet School, 45168 River Rd, Hammond, Louisiana, 70401, USA
| | - Hyeri Park
- Department of Chemistry, Duke University, Durham, North Carolina, 27708, USA
| | - Paramita Mukherjee
- Department of Chemistry, Duke University, Durham, North Carolina, 27708, USA
| | - Jacob C Timmerman
- Department of Chemistry, Duke University, Durham, North Carolina, 27708, USA
| | - Anthony A Ribeiro
- Duke University NMR Center and Department of Radiology, Duke University, Durham, North Carolina, 27710, USA
| | - Ross A Widenhoefer
- Department of Chemistry, Duke University, Durham, North Carolina, 27708, USA
| | - Jiyong Hong
- Department of Chemistry, Duke University, Durham, North Carolina, 27708, USA
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12
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Li PH, Yang JM, Wei Y, Shi M. Silver(I)-Catalyzed Intramolecular Cyclizations of Epoxide-Propargylic Esters to 1,4-Oxazine Derivatives. ChemistryOpen 2017; 6:21-24. [PMID: 28168146 PMCID: PMC5288764 DOI: 10.1002/open.201600123] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2016] [Indexed: 12/21/2022] Open
Abstract
An interesting silver(I)‐catalyzed, one‐pot intramolecular cyclization of epoxide‐propargylic esters is described. A variety of 1,4‐oxazine derivatives were obtained through a novel domino sequence, including three‐membered ring‐opening, 3,3‐sigmatropic rearrangement, 6‐exo‐cycloisomerization and subsequent intramolecular elimination in moderate yields under mild conditions.
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Affiliation(s)
- Peng-Hua Li
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals School of Chemistry and Molecule Engineering East China University of Science and Technology 130 Mei Long Road Shanghai 200237 P. R. China
| | - Jin-Ming Yang
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals School of Chemistry and Molecule Engineering East China University of Science and Technology 130 Mei Long Road Shanghai 200237 P. R. China
| | - Yin Wei
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Linglin Lu Shanghai 200032 P. R. China
| | - Min Shi
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals School of Chemistry and Molecule Engineering East China University of Science and Technology 130 Mei Long Road Shanghai 200237 P. R. China; State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry University of Chinese Academy of Sciences Chinese Academy of Sciences 345 Linglin Lu Shanghai 200032 P. R. China
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13
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Zeng Z, Jin H, Song X, Wang Q, Rudolph M, Rominger F, Hashmi ASK. Gold-catalyzed intermolecular cyclocarboamination of ynamides with 1,3,5-triazinanes: en route to tetrahydropyrimidines. Chem Commun (Camb) 2017; 53:4304-4307. [DOI: 10.1039/c7cc00789b] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
1,3,5-Triazinanes serve as surrogates for 1,4-dipoles in gold-catalyzed formal 4+2 cycloadditions.
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Affiliation(s)
- Zhongyi Zeng
- Organisch-Chemisches Institut
- Ruprecht-Karls-Universität Heidelberg
- 69120 Heidelberg
- Germany
| | - Hongming Jin
- Organisch-Chemisches Institut
- Ruprecht-Karls-Universität Heidelberg
- 69120 Heidelberg
- Germany
| | - Xinlong Song
- Organisch-Chemisches Institut
- Ruprecht-Karls-Universität Heidelberg
- 69120 Heidelberg
- Germany
| | - Qian Wang
- Organisch-Chemisches Institut
- Ruprecht-Karls-Universität Heidelberg
- 69120 Heidelberg
- Germany
| | - Matthias Rudolph
- Organisch-Chemisches Institut
- Ruprecht-Karls-Universität Heidelberg
- 69120 Heidelberg
- Germany
| | - Frank Rominger
- Organisch-Chemisches Institut
- Ruprecht-Karls-Universität Heidelberg
- 69120 Heidelberg
- Germany
| | - A. Stephen K. Hashmi
- Organisch-Chemisches Institut
- Ruprecht-Karls-Universität Heidelberg
- 69120 Heidelberg
- Germany
- Chemistry Department
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14
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Hsu YC, Lai JH, Liu RS. Gold-catalyzed oxidative hydroacylation reactions of α-iminoalkynes with aldehydes and O2. Chem Commun (Camb) 2017; 53:6009-6012. [DOI: 10.1039/c7cc03421k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Gold-catalyzed aerobic oxidations of α-iminoalkynes with aryl aldehydes led to oxidative 1,3-hydroacyclation reactions, yielding high Z-selectivity.
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Affiliation(s)
- Yu-Chen Hsu
- Department of Chemistry
- National Tsing-Hua University
- Hsinchu
- Republic of China
| | - Jing-He Lai
- Department of Chemistry
- National Tsing-Hua University
- Hsinchu
- Republic of China
| | - Rai-Shung Liu
- Department of Chemistry
- National Tsing-Hua University
- Hsinchu
- Republic of China
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15
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Sahani RL, Liu RS. Development of Gold-catalyzed [4+1] and [2+2+1]/[4+2] Annulations between Propiolate Derivatives and Isoxazoles. Angew Chem Int Ed Engl 2016; 56:1026-1030. [DOI: 10.1002/anie.201610665] [Citation(s) in RCA: 117] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Indexed: 01/03/2023]
Affiliation(s)
| | - Rai-Shung Liu
- Department of Chemistry; National Tsing-Hua University; Hsinchu Taiwan, ROC
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16
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Sahani RL, Liu RS. Development of Gold-catalyzed [4+1] and [2+2+1]/[4+2] Annulations between Propiolate Derivatives and Isoxazoles. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201610665] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
| | - Rai-Shung Liu
- Department of Chemistry; National Tsing-Hua University; Hsinchu Taiwan, ROC
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