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Nagireddy A, Dattatri, Babu Nanubolu J, Sridhar Reddy M. Diastereoselective [2+2+1] Hydrative Annulation of Phenol-Linked 1,6-Enynes with Acetylenes Through Rhodium Catalysis: A Rapid Access to Cyclopenta[b]benzofuranols. Chemistry 2021; 27:17570-17575. [PMID: 34636111 DOI: 10.1002/chem.202102930] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Indexed: 12/18/2022]
Abstract
An unprecedented [2+2+1] hydrative annulation of 1,6-enynes with terminal alkynes is achieved using catalytic cationic Rh(I). Thus, a modular assembly of cyclopenta[b]benzofuranols with two consecutive quarternary stereocenters is achieved from readily available alkynes. The reaction is proposed to go through a sequence of 5-membered rhoda-cycle formation, regioselective acetylene insertion, 1,5 H-shift, substrate controlled stereoselective addition of water molecule followed by 1,2-rhodium migration gave contracted rhoda-cycle D and reductive elimination. Necessary control/labelling experiments were conducted to gain insight in to the mechanism.
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Affiliation(s)
- Attunuri Nagireddy
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India.,Academy of Scientific and Innovative Research, Ghaziabad, 201002, India
| | - Dattatri
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India.,Academy of Scientific and Innovative Research, Ghaziabad, 201002, India
| | - Jagadeesh Babu Nanubolu
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India.,Analytical Department, CSIR-IICT, Hyderabad, 500007, India
| | - Maddi Sridhar Reddy
- Department of Organic Synthesis & Process Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India.,Academy of Scientific and Innovative Research, Ghaziabad, 201002, India
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2
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Man N, Li Y, Jie J, Li H, Yang H, Zhao Y, Fu H. Synthesis of Chiral Propargylamines, Chiral 1,2-Dihydronaphtho[2,1-b]furans and Naphtho[2,1-b]furans with C-Alkynyl N,N'-di-(tert-butoxycarbonyl)-aminals and β-Naphthols. Chemistry 2021; 27:12884-12889. [PMID: 34133047 DOI: 10.1002/chem.202102040] [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: 06/09/2021] [Indexed: 12/21/2022]
Abstract
Chiral phosphoric acid-catalyzed couplings of C-alkynyl N,N'-di-(tert-butoxycarbonyl)-aminals with β-naphthols led to chiral propargylamines in moderate to high yields with high to excellent enantioselectivity, in which the reactions underwent sequential chiral phosphoric acid-catalyzed in situ formation of N-(tert-butoxycarbonyl)-imines (N-Boc-imines) from the aminals, and 1,2-addition of β-naphthols to the N-Boc-imines. Chiral 1,2-dihydronaphtho[2,1-b]furans and naphtho[2,1-b]furans were prepared with satisfactory results when 10 mol% AgOAc and 20 mol% 2,6-lutidine or 1.2 equiv. of 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) were added to the resulting chiral propargylamines solution, respectively.
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Affiliation(s)
- Ningning Man
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Yuming Li
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Jiyang Jie
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Hongyun Li
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Haijun Yang
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Yufen Zhao
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Hua Fu
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing, 100084, China
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3
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Hu L, Dietl MC, Han C, Rudolph M, Rominger F, Hashmi ASK. Au-Ag Bimetallic Catalysis: 3-Alkynyl Benzofurans from Phenols via Tandem C-H Alkynylation/Oxy-Alkynylation. Angew Chem Int Ed Engl 2021; 60:10637-10642. [PMID: 33617065 PMCID: PMC8252013 DOI: 10.1002/anie.202016595] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/27/2021] [Indexed: 01/17/2023]
Abstract
The development of new methodologies enabling a facile access to valuable heterocyclic frameworks still is an important subject of research. In this context, we describe a dual catalytic cycle merging C-H alkynylation of phenols and oxy-alkynylation of the newly introduced triple bond by using a unique redox property and the carbophilic π acidity of gold. Mechanistic studies support the participation of a bimetallic gold-silver species. The one-pot protocol offers a direct, simple, and regio-specific approach to 3-alkynyl benzofurans from readily available phenols. A broad range of substrates, including heterocycles, is transferred with excellent functional group tolerance. Thus, this methodology can be used for the late-stage incorporation of benzofurans.
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Affiliation(s)
- Long Hu
- Organisch-Chemisches InstitutRuprecht-Karls-Universität HeidelbergIm NeuenheimerFeld 27069120HeidelbergGermany
| | - Martin C. Dietl
- Organisch-Chemisches InstitutRuprecht-Karls-Universität HeidelbergIm NeuenheimerFeld 27069120HeidelbergGermany
| | - Chunyu Han
- Organisch-Chemisches InstitutRuprecht-Karls-Universität HeidelbergIm NeuenheimerFeld 27069120HeidelbergGermany
| | - Matthias Rudolph
- Organisch-Chemisches InstitutRuprecht-Karls-Universität HeidelbergIm NeuenheimerFeld 27069120HeidelbergGermany
| | - Frank Rominger
- Organisch-Chemisches InstitutRuprecht-Karls-Universität HeidelbergIm NeuenheimerFeld 27069120HeidelbergGermany
| | - A. Stephen K. Hashmi
- Organisch-Chemisches InstitutRuprecht-Karls-Universität HeidelbergIm NeuenheimerFeld 27069120HeidelbergGermany
- Chemistry DepartmentFaculty of ScienceKing Abdulaziz University (KAU)21589JeddahSaudi Arabia
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4
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Hu L, Dietl MC, Han C, Rudolph M, Rominger F, Hashmi ASK. Au‐Ag‐Bimetallkatalyse: 3‐Alkinylbenzofurane aus Phenolen durch Tandem‐C‐H‐Alkinylierung/Oxyalkinylierung. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202016595] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Long Hu
- Organisch-Chemisches Institut Ruprecht-Karls-Universität Heidelberg Im NeuenheimerFeld 270 69120 Heidelberg Deutschland
| | - Martin C. Dietl
- Organisch-Chemisches Institut Ruprecht-Karls-Universität Heidelberg Im NeuenheimerFeld 270 69120 Heidelberg Deutschland
| | - Chunyu Han
- Organisch-Chemisches Institut Ruprecht-Karls-Universität Heidelberg Im NeuenheimerFeld 270 69120 Heidelberg Deutschland
| | - Matthias Rudolph
- Organisch-Chemisches Institut Ruprecht-Karls-Universität Heidelberg Im NeuenheimerFeld 270 69120 Heidelberg Deutschland
| | - Frank Rominger
- Organisch-Chemisches Institut Ruprecht-Karls-Universität Heidelberg Im NeuenheimerFeld 270 69120 Heidelberg Deutschland
| | - A. Stephen K. Hashmi
- Organisch-Chemisches Institut Ruprecht-Karls-Universität Heidelberg Im NeuenheimerFeld 270 69120 Heidelberg Deutschland
- Chemistry Department Faculty of Science King Abdulaziz University (KAU) 21589 Jeddah Saudi Arabien
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5
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Li X, Xu Z, Wang L, Wang F, Yang J, Li P. A Facile Synthesis of Functionalized Benzofurans via Visible‐Light‐Induced Tandem Cyclization of 1,6‐Enynes with Disulfides. CHEMPHOTOCHEM 2020. [DOI: 10.1002/cptc.202000197] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Xuezhi Li
- Advanced Research Institute and Department of Chemistry Taizhou University Taizhou Zhejiang 318000 P. R. China
- Department of Chemistry Huaibei Normal University Huaibei Anhui 235000 P. R. China
| | - Zhaoliang Xu
- Department of Chemistry Huaibei Normal University Huaibei Anhui 235000 P. R. China
| | - Lei Wang
- Advanced Research Institute and Department of Chemistry Taizhou University Taizhou Zhejiang 318000 P. R. China
- Department of Chemistry Huaibei Normal University Huaibei Anhui 235000 P. R. China
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry Chinese Academy of Sciences Shanghai 200032 P. R. China
| | - Fang Wang
- Advanced Research Institute and Department of Chemistry Taizhou University Taizhou Zhejiang 318000 P. R. China
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry Chinese Academy of Sciences Shanghai 200032 P. R. China
| | - Jianguo Yang
- Advanced Research Institute and Department of Chemistry Taizhou University Taizhou Zhejiang 318000 P. R. China
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry Chinese Academy of Sciences Shanghai 200032 P. R. China
| | - Pinhua Li
- Department of Chemistry Huaibei Normal University Huaibei Anhui 235000 P. R. China
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry Chinese Academy of Sciences Shanghai 200032 P. R. China
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Iqbal N, Iqbal N, Maiti D, Cho EJ. Access to Multifunctionalized Benzofurans by Aryl Nickelation of Alkynes: Efficient Synthesis of the Anti‐Arrhythmic Drug Amiodarone. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201909015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Naeem Iqbal
- Department of Chemistry Chung-Ang University 84 Heukseok-ro Dongjak-gu Seoul 06974 Republic of Korea
| | - Naila Iqbal
- Department of Chemistry Chung-Ang University 84 Heukseok-ro Dongjak-gu Seoul 06974 Republic of Korea
| | - Debabrata Maiti
- Department of Chemistry Indian Institute of Technology Bombay, Powai Mumbai 400076 India
| | - Eun Jin Cho
- Department of Chemistry Chung-Ang University 84 Heukseok-ro Dongjak-gu Seoul 06974 Republic of Korea
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7
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Iqbal N, Iqbal N, Maiti D, Cho EJ. Access to Multifunctionalized Benzofurans by Aryl Nickelation of Alkynes: Efficient Synthesis of the Anti‐Arrhythmic Drug Amiodarone. Angew Chem Int Ed Engl 2019; 58:15808-15812. [DOI: 10.1002/anie.201909015] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 08/12/2019] [Indexed: 12/22/2022]
Affiliation(s)
- Naeem Iqbal
- Department of Chemistry Chung-Ang University 84 Heukseok-ro Dongjak-gu Seoul 06974 Republic of Korea
| | - Naila Iqbal
- Department of Chemistry Chung-Ang University 84 Heukseok-ro Dongjak-gu Seoul 06974 Republic of Korea
| | - Debabrata Maiti
- Department of Chemistry Indian Institute of Technology Bombay, Powai Mumbai 400076 India
| | - Eun Jin Cho
- Department of Chemistry Chung-Ang University 84 Heukseok-ro Dongjak-gu Seoul 06974 Republic of Korea
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Phosphine-Mediated Sequential Annulation Reaction: Access to Functionalized Benzofurans and 4,5-Dihydrobenzofurans. Chemistry 2017; 23:7882-7886. [DOI: 10.1002/chem.201701026] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Indexed: 01/02/2023]
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9
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Li F, Shen C, Zhang J, Wu L, Zhuo X, Ding L, Zhong G. Ruthenium(II)-Catalyzed Oxidant-Free C-H Olefination of Aromatic Carboxamides with Allyl Acetate. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201600569] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Feifei Li
- College of Materials, Chemistry and Chemical Engineering; Hangzhou Normal University; No. 16 Xuelin Street Hangzhou 310036 People's Republic of China
| | - Cong Shen
- College of Materials, Chemistry and Chemical Engineering; Hangzhou Normal University; No. 16 Xuelin Street Hangzhou 310036 People's Republic of China
| | - Jian Zhang
- College of Materials, Chemistry and Chemical Engineering; Hangzhou Normal University; No. 16 Xuelin Street Hangzhou 310036 People's Republic of China
| | - Ling Wu
- College of Materials, Chemistry and Chemical Engineering; Hangzhou Normal University; No. 16 Xuelin Street Hangzhou 310036 People's Republic of China
| | - Xupeng Zhuo
- College of Materials, Chemistry and Chemical Engineering; Hangzhou Normal University; No. 16 Xuelin Street Hangzhou 310036 People's Republic of China
| | - Liyuan Ding
- College of Materials, Chemistry and Chemical Engineering; Hangzhou Normal University; No. 16 Xuelin Street Hangzhou 310036 People's Republic of China
| | - Guofu Zhong
- College of Materials, Chemistry and Chemical Engineering; Hangzhou Normal University; No. 16 Xuelin Street Hangzhou 310036 People's Republic of China
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10
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Tochigi A, Tsukamoto K, Suzuki N, Masuyama Y. Catalytic Availabilities of Lewis Acidic SnCl2: Ph3PAuCl-SnCl2Composite Catalyzed Successiveortho-Alkenylation/O-Alkenylation of Phenols Followed by Cyclization to 1-Benzopyrans. European J Org Chem 2016. [DOI: 10.1002/ejoc.201601042] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Atsushi Tochigi
- Department of Materials and Life Sciences; Faculty of Science and Technology; Sophia University; 7-1 Kioicho, Chiyoda-ku 102-8554 Tokyo Japan
| | - Kadzuoki Tsukamoto
- Department of Materials and Life Sciences; Faculty of Science and Technology; Sophia University; 7-1 Kioicho, Chiyoda-ku 102-8554 Tokyo Japan
| | - Noriyuki Suzuki
- Department of Materials and Life Sciences; Faculty of Science and Technology; Sophia University; 7-1 Kioicho, Chiyoda-ku 102-8554 Tokyo Japan
| | - Yoshiro Masuyama
- Department of Materials and Life Sciences; Faculty of Science and Technology; Sophia University; 7-1 Kioicho, Chiyoda-ku 102-8554 Tokyo Japan
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11
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Fukui M, Shibata Y, Hoshino Y, Sugiyama H, Teraoka K, Uekusa H, Noguchi K, Tanaka K. Rhodium(III)-Catalyzed Tandem [2+2+2] Annulation-Lactamization of Anilides with Two Alkynoates via Cleavage of Two Adjacent C−H or C−H/C−O bonds. Chem Asian J 2016; 11:2260-4. [DOI: 10.1002/asia.201600943] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2016] [Indexed: 01/20/2023]
Affiliation(s)
- Miho Fukui
- Department of Chemical Science and Engineering; Tokyo Institute of Technology, O-okayama, Meguro-ku; Tokyo 152-8550 Japan
- Department of Applied Chemistry; Graduate School of Engineering; Tokyo University of Agriculture and Technology, Koganei; Tokyo 184-8588 Japan
| | - Yu Shibata
- Department of Chemical Science and Engineering; Tokyo Institute of Technology, O-okayama, Meguro-ku; Tokyo 152-8550 Japan
| | - Yuki Hoshino
- Department of Applied Chemistry; Graduate School of Engineering; Tokyo University of Agriculture and Technology, Koganei; Tokyo 184-8588 Japan
| | - Haruki Sugiyama
- Department of Chemistry; Tokyo Institute of Technology, O-okayama, Meguro-ku; Tokyo 152-8550 Japan
| | - Kota Teraoka
- Department of Chemistry; Tokyo Institute of Technology, O-okayama, Meguro-ku; Tokyo 152-8550 Japan
| | - Hidehiro Uekusa
- Department of Chemistry; Tokyo Institute of Technology, O-okayama, Meguro-ku; Tokyo 152-8550 Japan
| | - Keiichi Noguchi
- Instrumentation Analysis Center; Tokyo University of Agriculture and Technology, Koganei; Tokyo 184-8588 Japan
| | - Ken Tanaka
- Department of Chemical Science and Engineering; Tokyo Institute of Technology, O-okayama, Meguro-ku; Tokyo 152-8550 Japan
- Department of Applied Chemistry; Graduate School of Engineering; Tokyo University of Agriculture and Technology, Koganei; Tokyo 184-8588 Japan
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12
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Chen CR, Lai YX, Wu RY, Liu YH, Lin YC. Cyclization of 2-Ethynylphenyl Vinyl Ether Catalyzed by a Ruthenium Complex: Mechanism of Catalytic Cyclization and Stoichiometric Cycloisomerization. ChemCatChem 2016. [DOI: 10.1002/cctc.201600428] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Chi-Ren Chen
- Department of Chemistry; National Taiwan University; No. 1, Sec. 4, Roosevelt Rd. Taipei 10617, Taiwan R.O.C
| | - Ying-Xuan Lai
- Department of Chemistry; National Taiwan University; No. 1, Sec. 4, Roosevelt Rd. Taipei 10617, Taiwan R.O.C
| | - Rong-Yu Wu
- Department of Chemistry; National Taiwan University; No. 1, Sec. 4, Roosevelt Rd. Taipei 10617, Taiwan R.O.C
| | - Yi-Hung Liu
- Department of Chemistry; National Taiwan University; No. 1, Sec. 4, Roosevelt Rd. Taipei 10617, Taiwan R.O.C
| | - Ying-Chih Lin
- Department of Chemistry; National Taiwan University; No. 1, Sec. 4, Roosevelt Rd. Taipei 10617, Taiwan R.O.C
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Metal-Free Radical5-exo-dig Cyclizations of Phenol-Linked 1,6-Enynes for the Synthesis of Carbonylated Benzofurans. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201408978] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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14
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Hu M, Song RJ, Li JH. Metal-Free Radical5-exo-dig Cyclizations of Phenol-Linked 1,6-Enynes for the Synthesis of Carbonylated Benzofurans. Angew Chem Int Ed Engl 2014; 54:608-12. [DOI: 10.1002/anie.201408978] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2014] [Revised: 10/19/2014] [Indexed: 01/17/2023]
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15
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Wang H, Beiring B, Yu DG, Collins KD, Glorius F. [3]Dendralensynthese: Rhodium(III)-katalysierte Alkenyl-C-H- Aktivierung und Kupplungsreaktion mit Allenylcarbinolcarbonat. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201306754] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Wang H, Beiring B, Yu DG, Collins KD, Glorius F. [3]Dendralene Synthesis: Rhodium(III)-Catalyzed Alkenyl CH Activation and Coupling Reaction with Allenyl Carbinol Carbonate. Angew Chem Int Ed Engl 2013; 52:12430-4. [DOI: 10.1002/anie.201306754] [Citation(s) in RCA: 148] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2013] [Indexed: 11/11/2022]
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17
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Tajima Y, Kobayashi M, Noguchi K, Tanaka K. Rhodium-Catalyzed Cyclization Reactions of γ-Alkynyl Aldehydes with Carboxylic Acid Anhydrides. European J Org Chem 2013. [DOI: 10.1002/ejoc.201300734] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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18
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Wang H, Schröder N, Glorius F. Milde Rhodium(III)-katalysierte direkte C-H-Allylierung von Arenen mit Allylcarbonaten. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201301165] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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19
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Wang H, Schröder N, Glorius F. Mild Rhodium(III)-Catalyzed Direct CH Allylation of Arenes with Allyl Carbonates. Angew Chem Int Ed Engl 2013; 52:5386-9. [DOI: 10.1002/anie.201301165] [Citation(s) in RCA: 255] [Impact Index Per Article: 23.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2013] [Indexed: 01/14/2023]
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