1
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Konwar M, Hazarika N, Sarmah BK, Das A. Ruthenium(II)-Catalyzed Oxidative Annulation of Imidazo[1,5-a]quinolin-2-iums Salts and Internal Alkynes via C-H Bond Activation. Chemistry 2024; 30:e202401133. [PMID: 38593238 DOI: 10.1002/chem.202401133] [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: 03/20/2024] [Revised: 04/06/2024] [Accepted: 04/09/2024] [Indexed: 04/11/2024]
Abstract
Ruthenium(II)-catalyzed synthesis of π-conjugated fused imidazo[1,5-a]quinolin-2-ium derivatives have been achieved via C-H activation of quinoline-functionalized NHC (NHC=N-heterocyclic carbene) and oxidative coupling with internal alkynes. The reaction occurred with high efficiency, broad substrate scope, tolerates a wide range of functional groups and utilized into a gram-scale. Synthetic applications of the coupled product have been exemplified in the late-stage derivatization of various highly functionalized scaffolds. Moreover, most of the annulated products exhibit intense fluorescence and have potential applications in optoelectronic devices. Mechanistic studies have provided insights into the spectroscopic characterization of key five-membered ruthenacycle intermediate and Ru(0) sandwich species. Based on several control experiments, deuterium-kinetic isotope effect, and thermodynamic activation parameters the mechanistic finding demonstrated that fused imidazo-[1,5-a]quinolin-2-ium C(2)-H bond cleavage is the rate-determining step and ruling out the possibility of reductive elimination for controlling the rate of reaction.
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Affiliation(s)
- Monuranjan Konwar
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India
| | - Nitumoni Hazarika
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India
| | - Bikash Kumar Sarmah
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India
- Department of Chemistry, Sonari College, Charaideo, 785690, Assam, India
| | - Animesh Das
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India
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2
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Konwar M, Hazarika N, Das A. Ru/O 2-Catalyzed Oxidative C-H Activation/Alkyne Annulation Using Quinoline-Functionalized NHC as a Directing and Functionalizable Group. Org Lett 2024; 26:2965-2970. [PMID: 38593400 DOI: 10.1021/acs.orglett.4c00542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/11/2024]
Abstract
The ruthenium/O2-catalyzed oxidative annulation reaction of imidazo[1,5-a]quinolin-2-ium salts with alkynes via N-heterocyclic carbene-directed C-H activation to obtain π-conjugated fused imidazo[1,5-a]quinolin-2-ium derivatives is reported. Molecular oxygen has been explored as an economic and clean oxidant and an alternative to metal oxidants. The current protocol exhibits a wide range of substrate scope including bioactive (±)-α-tocopherol derivatives. Moreover, most of the annulated products show strong fluorescence properties, indicating their potential for making new light-emitting materials.
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Affiliation(s)
- Monuranjan Konwar
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati-781039, Assam India
| | - Nitumoni Hazarika
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati-781039, Assam India
| | - Animesh Das
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati-781039, Assam India
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3
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Tantipanjaporn A, Kung KKY, Wong MK. Fluorogenic Protein Labeling by Generation of Fluorescent Quinoliziniums Using [Cp*RhCl 2] 2. Org Lett 2022; 24:5835-5839. [PMID: 35900066 DOI: 10.1021/acs.orglett.2c02389] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Fluorogenic labeling has received considerable attention as a result of the high demand in chemical biology and synthetic biology applications. Herein, we develop a new strategy for fluorescent turn-on ligation targeting alkyne- and quinoline-linked peptides and proteins (λem of 515 nm and up to ΦF of 0.20) using the [Cp*RhCl2]2 catalyst. The good conversion, high flexibility, broad utility, ease of use, and mild reaction conditions are great advantages to extend the rhodium-mediated turn-on fluorogenic bioconjugation for further applications.
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Affiliation(s)
- Ajcharapan Tantipanjaporn
- State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hum, Kowloon, Hong Kong Special Administrative Region of the People's Republic of China
| | - Karen Ka-Yan Kung
- Shenzhen Research Institute, The Hong Kong Polytechnic University, Shenzhen, Guangdong 518057, People's Republic of China.,State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hum, Kowloon, Hong Kong Special Administrative Region of the People's Republic of China
| | - Man-Kin Wong
- Shenzhen Research Institute, The Hong Kong Polytechnic University, Shenzhen, Guangdong 518057, People's Republic of China.,State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hum, Kowloon, Hong Kong Special Administrative Region of the People's Republic of China
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4
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Zhao H, Luo Z, Yang J, Li B, Han J, Xu L, Lai W, Walsh PJ. Ligand‐Promoted Rh
I
‐Catalyzed C2‐Selective C−H Alkenylation and Polyenylation of Imidazoles with Alkenyl Carboxylic Acids. Chemistry 2022; 28:e202200441. [DOI: 10.1002/chem.202200441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Indexed: 11/08/2022]
Affiliation(s)
- Haoqiang Zhao
- Department of Chemistry Renmin University of China Beijing 100872 P. R. China
- Roy and Diana Vagelos Laboratories Penn/Merck Laboratory for High-Throughput Experimentation Department of Chemistry University of Pennsylvania 231 South 34th Street Philadelphia PA 19104-6323 USA
- Department of Chemistry School of Chinese Pharmacy Beijing University of Chinese Medicine Beijing 102488 P. R. China
| | - Zhenli Luo
- Department of Chemistry Renmin University of China Beijing 100872 P. R. China
| | - Ji Yang
- Department of Chemistry Renmin University of China Beijing 100872 P. R. China
| | - Bohan Li
- Department of Chemistry Renmin University of China Beijing 100872 P. R. China
| | - Jiahong Han
- Department of Chemistry Renmin University of China Beijing 100872 P. R. China
| | - Lijin Xu
- Department of Chemistry Renmin University of China Beijing 100872 P. R. China
| | - Wenzhen Lai
- Department of Chemistry Renmin University of China Beijing 100872 P. R. China
| | - Patrick J. Walsh
- Roy and Diana Vagelos Laboratories Penn/Merck Laboratory for High-Throughput Experimentation Department of Chemistry University of Pennsylvania 231 South 34th Street Philadelphia PA 19104-6323 USA
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5
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Saha A, Shankar M, Sau S, Sahoo AK. Multiple annulations of inert C(sp 2)-H bonds with alkynes. Chem Commun (Camb) 2022; 58:4561-4587. [PMID: 35303048 DOI: 10.1039/d2cc00172a] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Transition-metal catalyzed directing group (DG) assisted annulation of inert C-H bonds leads to the formation of complex molecular frameworks from readily accessible substrates. Thus, multiple annulation of less functionalized substrates with unsaturated species leads to the construction of structurally diverse fused poly(hetero)cycles. The directed inert C(arene)-H bond activation and the mode of TM-migration in this process could enabled obatining L-type [involves DG heteroatom, o-C(arene)-H bond, and C(arene)-H bond of aryl-motif in alkyne], Y-type [involves two heteroatoms of the DG and o-,o'-C(arene)-H bonds], and B-type [involves o-C(arene)-H bond and m-C(arene)-H bond] π-extended annulation products. The coordination preference of the DG heteroatom makes the transformation chemo- and regio-selective. This article underlines the conceptual development of unsymmetrical multiple annulation of arene C(sp2)-H bonds with alkynes, which is exceedingly appealing and highly important.
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Affiliation(s)
- Arijit Saha
- School of Chemistry, University of Hyderabad, Hyderabad, Telangana - 500046, India.
| | - Majji Shankar
- School of Chemistry, University of Hyderabad, Hyderabad, Telangana - 500046, India.
| | - Somratan Sau
- School of Chemistry, University of Hyderabad, Hyderabad, Telangana - 500046, India.
| | - Akhila K Sahoo
- School of Chemistry, University of Hyderabad, Hyderabad, Telangana - 500046, India.
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6
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van Vuuren E, Malan FP, Cordier W, Nell M, Landman M. Self-Isomerized–Cyclometalated Rhodium NHC Complexes as Active Catalysts in the Hydrosilylation of Internal Alkynes. Organometallics 2022. [DOI: 10.1021/acs.organomet.1c00409] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Estefan van Vuuren
- Department of Chemistry, University of Pretoria, Hatfield, Pretoria, South Africa 0002
| | - Frederick P. Malan
- Department of Chemistry, University of Pretoria, Hatfield, Pretoria, South Africa 0002
| | - Werner Cordier
- Department of Pharmacology, University of Pretoria, Arcadia, Pretoria, South Africa 0007
| | - Margo Nell
- Department of Pharmacology, University of Pretoria, Arcadia, Pretoria, South Africa 0007
| | - Marilé Landman
- Department of Chemistry, University of Pretoria, Hatfield, Pretoria, South Africa 0002
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7
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Wang T, Zheng Q, Wang L, Huang Z, Zhang H, Zhang Y, Zhang C, Gao G. Synthesis of cationic π-extended imidazolium salts by sequential Cu-catalyzed arylation/annulation and photocyclization. Chem Commun (Camb) 2021; 58:541-544. [PMID: 34908044 DOI: 10.1039/d1cc06194a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A series of cationic π-extended imidazolium salts were synthesized by a sequential Cu-catalyzed arylation/annulation and photocyclization strategy in a simple but efficient way. Among them, a nine-fused-ring compound with a doubly aza[5]helical geometry is by far the largest cationic polycyclic heteroaromatic with a central imidazolium core.
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Affiliation(s)
- Tianbao Wang
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Qinze Zheng
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Linhua Wang
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Zhenmei Huang
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Huaxing Zhang
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Yuming Zhang
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Cheng Zhang
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
| | - Ge Gao
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China.
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8
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Zhang B, Duan Y, Zhang X, Guo S. Uncommon carbene-to-azole ligand rearrangement of N-heterocyclic carbenes in a ruthenium system. Chem Commun (Camb) 2021; 57:6879-6882. [PMID: 34151330 DOI: 10.1039/d1cc01871j] [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 study of non-innocent behavior of NHCs (NHCs = N-heterocyclic carbenes) has great implications for NHC-involved catalysis. Herein, we report a new type of NHC-to-azole rearrangement, during which process the carbene backbone and the substituent are both non-innocent. To the best of our knowledge, this work also presents the first example of NHC-to-azole rearrangements for aryl-substituted NHCs.
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Affiliation(s)
- Bo Zhang
- Department of Chemistry, Capital Normal University, Beijing, P. R. China.
| | - Yu'ai Duan
- Department of Chemistry, Capital Normal University, Beijing, P. R. China.
| | - Xin Zhang
- Department of Chemistry, Capital Normal University, Beijing, P. R. China.
| | - Shuai Guo
- Department of Chemistry, Capital Normal University, Beijing, P. R. China.
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9
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Sahoo S, Pal S. Rapid Access to Benzimidazo[1,2- a]quinoline-Fused Isoxazoles via Pd(II)-Catalyzed Intramolecular Cross Dehydrogenative Coupling: Synthetic Versatility and Photophysical Studies. J Org Chem 2021; 86:4081-4097. [PMID: 33626283 DOI: 10.1021/acs.joc.0c02926] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
An efficient and atom-economical palladium-catalyzed intramolecular cross dehydrogenative coupling (CDC) reaction has been developed for the construction of highly π-conjugated benzimidazo[1,2-a]quinoline-fused isoxazole scaffolds using molecular oxygen as sole oxidant. The approach portrayed wide substrate scope with good functional group tolerance and depicted a useful tool for the generation of fluorescence active compounds with high quantum yield. Synthetic versatility of the method via Fe-catalyzed reductive isoxazole ring cleavage toward pyridine, pyrimidine, pyrazole fused heteropolycyclic compounds has been showcase.
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Affiliation(s)
- Subrata Sahoo
- Organic Chemistry Laboratory, School of Basic Sciences, Indian Institute of Technology Bhubaneswar, Argul, Odisha 752050, India
| | - Shantanu Pal
- Organic Chemistry Laboratory, School of Basic Sciences, Indian Institute of Technology Bhubaneswar, Argul, Odisha 752050, India
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10
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van Vuuren E, Malan FP, Landman M. Multidentate NHC complexes of group IX metals featuring carbon-based tethers: Synthesis and applications. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213731] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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11
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Song L, Van der Eycken EV. Transition Metal-Catalyzed Intermolecular Cascade C-H Activation/Annulation Processes for the Synthesis of Polycycles. Chemistry 2020; 27:121-144. [PMID: 32530508 DOI: 10.1002/chem.202002110] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Indexed: 12/16/2022]
Abstract
Polycycles are abundantly present in numerous advanced chemicals, functional materials, bioactive molecules and natural products. However, the strategies for the synthesis of polycycles are limited to classical reactions and transition metal-catalyzed cross-coupling reactions, requiring pre-functionalized starting materials and lengthy synthetic operations. The emergence of novel approaches shows great promise for the fields of organic/medicinal/materials chemistry. Among them, transition metal-catalyzed C-H activation followed by intermolecular annulation reactions prevail, due to their straightforward manner with high atom- and step-economy, providing rapid, concise and efficient methods for the construction of diverse polycycles. Several strategies have been developed for the synthesis of polycycles, relying on sequential multiple C-H activation/annulation, or combination of C-H activation/annulation and further interaction with a proximal group, or merger of C-H activation with a cycloaddition reaction, or in situ formation of the directing group. These are attractive, efficient, step- and atom-economic methods starting from commercially available materials. This Minireview will provide an introduction to transition metal-catalyzed C-H activation for the synthesis of polycycles, helping researchers to discover indirect connections and reveal hidden opportunities. It will also promote the discovery of novel synthetic strategies relying on C-H activation.
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Affiliation(s)
- Liangliang Song
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, KU Leuven, Celestijnenlaan 200F, 3001, Leuven, Belgium
| | - Erik V Van der Eycken
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, KU Leuven, Celestijnenlaan 200F, 3001, Leuven, Belgium.,Peoples' Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya street, Moscow, 117198, Russia
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12
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Bauri S, Mallik A, Rit A. Naphthyl-Derived Orthometalated RuII-NHC Complexes: Effect of the NHC Donors and/or Substitution Pattern on Their Synthesis and Catalytic Activity. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00441] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Somnath Bauri
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, India
| | - Anirban Mallik
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, India
| | - Arnab Rit
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, India
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13
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Ghosh K, Rit RK, Shankar M, Mukherjee K, Sahoo AK. Directing Group Assisted Unsymmetrical Multiple Functionalization of Arene C-H Bonds. CHEM REC 2020; 20:1017-1042. [PMID: 32779389 DOI: 10.1002/tcr.202000063] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 07/09/2020] [Accepted: 07/10/2020] [Indexed: 12/28/2022]
Abstract
Multiple C-H bond functionalizations promptly install diverse groups on the molecular framework and consequently fabricate complex molecular entities. This review briefly surveys the conceptual development of directing group assisted unsymmetrical multiple functionalization of arene C(sp2 )-H bonds, which is exceedingly appealing and highly important.
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Affiliation(s)
- Koushik Ghosh
- School of Chemistry, University of Hyderabad, Hyderabad, 500046, India
| | - Raja K Rit
- School of Chemistry, University of Hyderabad, Hyderabad, 500046, India
| | - Majji Shankar
- School of Chemistry, University of Hyderabad, Hyderabad, 500046, India
| | - Kallol Mukherjee
- School of Chemistry, University of Hyderabad, Hyderabad, 500046, India
| | - Akhila K Sahoo
- School of Chemistry, University of Hyderabad, Hyderabad, 500046, India
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14
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Li S, Lv H, Xie R, Yu Y, Ye X, Kong X. The C-H Activation/Bidirecting Group Strategy for Selective Direct Synthesis of Diverse 1,1'-Biisoquinolines. Org Lett 2020; 22:4207-4212. [PMID: 32428408 DOI: 10.1021/acs.orglett.0c01260] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Multidentate ligands are highly important but difficult to access. Herein we disclose an atom- and step-economic synthesis of highly substituted 1,1'-biisoquinolines by a C-H activation/bididirecting group strategy. Through rational design of a bididirecting group to "N-OH + N-OAc", selective unsymmetrical diannulation with two different alkynes in a one-pot reaction has been achieved for the first time to access unsymmetrical biisoquinolines. Moreover, the resultant biisoquinolines show tunable photoluminescence and serve as aggregation-induced emission (AIE) systems.
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Affiliation(s)
- Shiqing Li
- Guangxi Key Laboratory of Electrochemical and Magneto-Chemical Function Materia, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, China
| | - Hongxu Lv
- Guangxi Key Laboratory of Electrochemical and Magneto-Chemical Function Materia, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, China
| | - Rongrong Xie
- Guangxi Key Laboratory of Electrochemical and Magneto-Chemical Function Materia, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, China
| | - Yu Yu
- Guangxi Key Laboratory of Electrochemical and Magneto-Chemical Function Materia, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, China
| | - Xiuqing Ye
- Guangxi Key Laboratory of Electrochemical and Magneto-Chemical Function Materia, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, China
| | - Xiangfei Kong
- Guangxi Key Laboratory of Electrochemical and Magneto-Chemical Function Materia, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, China
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15
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Jiang T, Zhang H, Ding Y, Zou S, Chang R, Huang H. Transition-metal-catalyzed reactions involving reductive elimination between dative ligands and covalent ligands. Chem Soc Rev 2020; 49:1487-1516. [DOI: 10.1039/c9cs00539k] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
This review summarizes transition-metal catalyzed reactions with reductive elimination between covalent ligands and dative ligands as the key elementary step.
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Affiliation(s)
- Tianxiao Jiang
- Hefei National Laboratory for Physical Sciences at the Microscale, and Department of Chemistry
- Center for Excellence in Molecular Synthesis
- University of Science and Technology of China
- Chinese Academy of Sciences
- Hefei
| | - Haocheng Zhang
- Hefei National Laboratory for Physical Sciences at the Microscale, and Department of Chemistry
- Center for Excellence in Molecular Synthesis
- University of Science and Technology of China
- Chinese Academy of Sciences
- Hefei
| | - Yongzheng Ding
- Hefei National Laboratory for Physical Sciences at the Microscale, and Department of Chemistry
- Center for Excellence in Molecular Synthesis
- University of Science and Technology of China
- Chinese Academy of Sciences
- Hefei
| | - Suchen Zou
- Hefei National Laboratory for Physical Sciences at the Microscale, and Department of Chemistry
- Center for Excellence in Molecular Synthesis
- University of Science and Technology of China
- Chinese Academy of Sciences
- Hefei
| | - Rui Chang
- Hefei National Laboratory for Physical Sciences at the Microscale, and Department of Chemistry
- Center for Excellence in Molecular Synthesis
- University of Science and Technology of China
- Chinese Academy of Sciences
- Hefei
| | - Hanmin Huang
- Hefei National Laboratory for Physical Sciences at the Microscale, and Department of Chemistry
- Center for Excellence in Molecular Synthesis
- University of Science and Technology of China
- Chinese Academy of Sciences
- Hefei
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16
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Yu Y, Lv H, Li S. The C-H functionalization of organic cations: an interesting and fresh journey. Org Biomol Chem 2020; 18:8810-8826. [PMID: 33112319 DOI: 10.1039/d0ob01453b] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Organic ionic compounds, especially those with organic cations, are commonly applied in ionic liquids (ILs), organocatalysts, (a)NHC ligands, ion recognition, and optoelectronic materials. The direct C-H functionalization of organic cations offers valuable opportunities for the rapid assembly of diverse functionalized cations and for their further exploitation in material science applications. This review summarizes the substantial progress that has been made in the C-H functionalization of organic cations from the 1960s to May 2020, including transition metal-mediated/catalyzed C-H alkylation, arylation, and annulation, and photo-induced C-H functionalization. Substrate scopes, limitations, regio-/chemoselectivity, and reaction mechanisms are discussed. In addition, the applications of some new organic functional materials are briefly exemplified. This review also aims to serve as a reminder that much care should be taken when using organic ionic compounds as solvents, because they can behave as reactants that can break up desired coupling reactions.
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Affiliation(s)
- Yu Yu
- Guangxi Key Laboratory of Electrochemical and Magneto-Chemical Function Materials, College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, China.
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17
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Hu Y, Wang T, Liu Y, Nie R, Yang N, Wang Q, Li GB, Wu Y. Practical Synthesis of Benzimidazo[1,2- a]quinolines via Rh(III)-Catalyzed C-H Activation Cascade Reaction from Imidamides and Anthranils. Org Lett 2019; 22:501-504. [PMID: 31886675 DOI: 10.1021/acs.orglett.9b04256] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
We report a novel and practical one-pot Rh(III)-catalyzed strategy to construct benzimidazo[1,2-a]quinolines from readily available imidamides and anthranils. The cascade reaction proceeds via a C-H amination-cyclization-cyclization process in ionic liquid without any additives and possesses simple operation, moderate-to-high yield, and broad substrate scope features, which will provide the reference for the construction of biologically active fused benzimidazoles.
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Affiliation(s)
- Yao Hu
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy , Sichuan University , Chengdu 610041 , China
| | - Ting Wang
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy , Sichuan University , Chengdu 610041 , China
| | - Yanzhao Liu
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy , Sichuan University , Chengdu 610041 , China
| | - Ruifang Nie
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy , Sichuan University , Chengdu 610041 , China
| | - Ninghong Yang
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy , Sichuan University , Chengdu 610041 , China
| | - Qiantao Wang
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy , Sichuan University , Chengdu 610041 , China
| | - Guo-Bo Li
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy , Sichuan University , Chengdu 610041 , China
| | - Yong Wu
- Sichuan Engineering Laboratory for Plant-Sourced Drug and Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy , Sichuan University , Chengdu 610041 , China
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18
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Guntreddi T, Shankar M, Kommu N, Sahoo AK. Construction of Pyranoisoquinolines via Ru(II)-Catalyzed Unsymmetrical Double Annulation of N-Methoxybenzamides with Unactivated Alkynes. J Org Chem 2019; 84:13033-13044. [PMID: 31411030 DOI: 10.1021/acs.joc.9b01878] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A ruthenium (Ru)-catalyzed double annulation of easily accessible N-methoxybenzamide derivatives with unactivated alkynes for the synthesis of unusual 6,6-fused pyranoisoquinolines is described. Both ortho-C-H bonds of arenes and the N- and O-moieties of N-methoxybenzamides are involved in the construction of four [(C-C)-(C-N) and (C-C)-(C-O)] bonds in one step under single catalytic conditions. The unsymmetrical annulation of N-methoxybenzamides with two distinct alkynes is also demonstrated. The oxidizable directing group N-methoxyamine (NHOMe) assists the unsymmetrical double annulations of arenes [that use both N- and O-heteroatoms] in a single operation. This synthetic method features excellent substrate scope and tolerates a wide range of functional groups. Peripheral modification of pyranoisoquinolines for the construction of complex heterocyclic compounds is also demonstrated.
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Affiliation(s)
| | - Majji Shankar
- School of Chemistry , University of Hyderabad , Hyderabad , Telangana 500046 , India
| | - Nagarjuna Kommu
- Advanced Center of Research in High Energy Materials (ACRHEM) , University of Hyderabad , Hyderabad , Telangana 500046 , India
| | - Akhila K Sahoo
- School of Chemistry , University of Hyderabad , Hyderabad , Telangana 500046 , India.,Advanced Center of Research in High Energy Materials (ACRHEM) , University of Hyderabad , Hyderabad , Telangana 500046 , India
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19
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Transition-metal-free insertion of benzyl bromides into 2-(1H-benzo[d]imidazol-1-yl)benzaldehyde: One-pot switchable syntheses of benzo[4,5]imidazo[1,2-a]quinolin-5(7H)-ones and 3-arylquinolin-4-ones mediated by base. Tetrahedron 2019. [DOI: 10.1016/j.tet.2019.03.058] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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20
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Martínez ÁM, Alonso I, Rodríguez N, Gómez Arrayás R, Carretero JC. Rhodium‐Catalyzed Copper‐Assisted Intermolecular Domino C−H Annulation of 1,3‐Diynes with Picolinamides: Access to Pentacyclic π‐Extended Systems. Chemistry 2019; 25:5733-5742. [DOI: 10.1002/chem.201900162] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Revised: 02/07/2019] [Indexed: 12/13/2022]
Affiliation(s)
- Ángel Manu Martínez
- Departamento de Química OrgánicaFacultad de CienciasUniversidad Autónoma de Madrid (UAM), Cantoblanco 28049 Madrid Spain
| | - Inés Alonso
- Departamento de Química OrgánicaFacultad de CienciasUniversidad Autónoma de Madrid (UAM), Cantoblanco 28049 Madrid Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem)Universidad Autónoma de Madrid (UAM) 28049 Madrid Spain
| | - Nuria Rodríguez
- Departamento de Química OrgánicaFacultad de CienciasUniversidad Autónoma de Madrid (UAM), Cantoblanco 28049 Madrid Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem)Universidad Autónoma de Madrid (UAM) 28049 Madrid Spain
| | - Ramón Gómez Arrayás
- Departamento de Química OrgánicaFacultad de CienciasUniversidad Autónoma de Madrid (UAM), Cantoblanco 28049 Madrid Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem)Universidad Autónoma de Madrid (UAM) 28049 Madrid Spain
| | - Juan C. Carretero
- Departamento de Química OrgánicaFacultad de CienciasUniversidad Autónoma de Madrid (UAM), Cantoblanco 28049 Madrid Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem)Universidad Autónoma de Madrid (UAM) 28049 Madrid Spain
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21
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Dutta C, Sainaba AB, Choudhury J. Annulating thiazolium cations via a direct double C–H activation strategy: Rh–N,S-heterocyclic carbene is the key. Chem Commun (Camb) 2019; 55:854-857. [DOI: 10.1039/c8cc07531j] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Metal–N,S-heterocyclic carbene intermediates are conveniently generated and utilized for the first time to construct N,S doubly-doped cationic tricyclic organic molecules which exhibit easily-tuneable emission.
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Affiliation(s)
- Champak Dutta
- Organometallics & Smart Materials Laboratory
- Department of Chemistry
- Indian Institute of Science Education and Research (IISER) Bhopal
- Bhopal 462 066
- India
| | - Arppitha Baby Sainaba
- Organometallics & Smart Materials Laboratory
- Department of Chemistry
- Indian Institute of Science Education and Research (IISER) Bhopal
- Bhopal 462 066
- India
| | - Joyanta Choudhury
- Organometallics & Smart Materials Laboratory
- Department of Chemistry
- Indian Institute of Science Education and Research (IISER) Bhopal
- Bhopal 462 066
- India
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22
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Xu HJ, Kang YS, Shi H, Zhang P, Chen YK, Zhang B, Liu ZQ, Zhao J, Sun WY, Yu JQ, Lu Y. Rh(III)-Catalyzed meta-C–H Alkenylation with Alkynes. J Am Chem Soc 2018; 141:76-79. [DOI: 10.1021/jacs.8b11038] [Citation(s) in RCA: 73] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Hua-Jin Xu
- Coordination Chemistry
Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing
National Laboratory of Microstructures, Collaborative Innovation Center
of Advanced Microstructures, Nanjing University, Nanjing 210023, China
| | - Yan-Shang Kang
- Coordination Chemistry
Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing
National Laboratory of Microstructures, Collaborative Innovation Center
of Advanced Microstructures, Nanjing University, Nanjing 210023, China
| | - Hang Shi
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, California 92037, United States
| | - Ping Zhang
- Coordination Chemistry
Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing
National Laboratory of Microstructures, Collaborative Innovation Center
of Advanced Microstructures, Nanjing University, Nanjing 210023, China
| | - You-Ke Chen
- Coordination Chemistry
Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing
National Laboratory of Microstructures, Collaborative Innovation Center
of Advanced Microstructures, Nanjing University, Nanjing 210023, China
| | - Bing Zhang
- Coordination Chemistry
Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing
National Laboratory of Microstructures, Collaborative Innovation Center
of Advanced Microstructures, Nanjing University, Nanjing 210023, China
| | - Zhi-Qiang Liu
- Coordination Chemistry
Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing
National Laboratory of Microstructures, Collaborative Innovation Center
of Advanced Microstructures, Nanjing University, Nanjing 210023, China
| | - Jing Zhao
- Coordination Chemistry
Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing
National Laboratory of Microstructures, Collaborative Innovation Center
of Advanced Microstructures, Nanjing University, Nanjing 210023, China
| | - Wei-Yin Sun
- Coordination Chemistry
Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing
National Laboratory of Microstructures, Collaborative Innovation Center
of Advanced Microstructures, Nanjing University, Nanjing 210023, China
| | - Jin-Quan Yu
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, California 92037, United States
| | - Yi Lu
- Coordination Chemistry
Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing
National Laboratory of Microstructures, Collaborative Innovation Center
of Advanced Microstructures, Nanjing University, Nanjing 210023, China
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23
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Duarah G, Kaishap PP, Begum T, Gogoi S. Recent Advances in Ruthenium(II)-Catalyzed C−H Bond Activation and Alkyne Annulation Reactions. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800755] [Citation(s) in RCA: 125] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- G. Duarah
- Chemical Sciences & Technology Division; CSIR - North East Institute of Science and Technology; Jorhat - 785006, AcSIR India
| | - P. P. Kaishap
- Chemical Sciences & Technology Division; CSIR - North East Institute of Science and Technology; Jorhat - 785006, AcSIR India
| | - T. Begum
- Chemical Sciences & Technology Division; CSIR - North East Institute of Science and Technology; Jorhat - 785006, AcSIR India
| | - S. Gogoi
- Chemical Sciences & Technology Division; CSIR - North East Institute of Science and Technology; Jorhat - 785006, AcSIR India
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24
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Soellner J, Strassner T. Phosphorescent Cyclometalated Platinum(II) aNHC Complexes. Chemistry 2018; 24:15603-15612. [PMID: 30216572 DOI: 10.1002/chem.201802725] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Revised: 07/16/2018] [Indexed: 02/05/2023]
Abstract
The synthesis and characterization of the first bidentate C^C* cyclometalated platinum(II) complexes based on abnormal N-heterocyclic carbenes (aNHC) is presented. The aNHC ligand precursors are prepared from benzonitriles and anilines to form 1,2,3-trisubstituted imidazolium salts. The title compounds were synthesized by in situ generation of the silver carbene complex, followed by transmetalation to platinum and subsequent introduction of the β-diketonate ligand. Structural characterization by 2D NMR experiments, as well as solid-state structures unequivocally prove the abnormal binding mode of the aNHC ligands. Additionally, the photophysical properties of the platinum(II) complexes were examined and studied in detail by DFT calculations and cyclic voltammetry experiments. The title compounds proved to be strongly emissive at room temperature in the green to orange region of the visible spectrum, with emission efficiencies of up to 69 %.
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Affiliation(s)
- Johannes Soellner
- Physikalische Organische Chemie, Technische Universität Dresden, 01069, Dresden, Germany), Fax: (+49) 351-463-39679
| | - Thomas Strassner
- Physikalische Organische Chemie, Technische Universität Dresden, 01069, Dresden, Germany), Fax: (+49) 351-463-39679
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25
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Wang Y, Li B, Wang B. Synthesis of Cinnolines and Cinnolinium Salt Derivatives by Rh(III)-Catalyzed Cascade Oxidative Coupling/Cyclization Reactions. J Org Chem 2018; 83:10845-10854. [DOI: 10.1021/acs.joc.8b01548] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | | | - Baiquan Wang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, People’s Republic of China
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26
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Chen X, Zheng G, Song G, Li X. Rhodium(III)-Catalyzed Synthesis of Cinnolinium Salts from Azobenzenes and Diazo Compounds. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800326] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Xiaohong Chen
- Beijing Key Laboratory of Lignocellulosic Chemistry; Beijing Forestry University; Beijing 100083 People's Republic of China
| | - Guangfan Zheng
- Dalian Institute of Chemical Physics; Chinese Academy of Sciences; Dalian 116023 People's Republic of China
| | - Guoyong Song
- Beijing Key Laboratory of Lignocellulosic Chemistry; Beijing Forestry University; Beijing 100083 People's Republic of China
| | - Xingwei Li
- Dalian Institute of Chemical Physics; Chinese Academy of Sciences; Dalian 116023 People's Republic of China
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27
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Recent topics in annulation reaction via double C H bond cleavage and double C C bond formation. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.01.043] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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28
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Li SS, Qin L, Dong L. Rhodium-catalyzed C-C coupling reactions via double C-H activation. Org Biomol Chem 2018; 14:4554-70. [PMID: 27099126 DOI: 10.1039/c6ob00209a] [Citation(s) in RCA: 143] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Various rhodium-catalyzed double C-H activations are reviewed. These powerful strategies have been developed to construct C-C bonds, which might be widely embedded in complex aza-fused heterocycles, polycyclic skeletons and heterocyclic scaffolds. In particular, rhodium(iii) catalysis shows good selectivity and reactivity to functionalize the C-H bond, generating reactive organometallic intermediates in most of the coupling reactions. Generally, intermolecular, intramolecular and multi-component coupling reactions via double C-H activations with or without heteroatom-assisted chelation are discussed in this review.
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Affiliation(s)
- Shuai-Shuai Li
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, West China School of Pharmacy, Sichuan University, Chengdu 610041, China.
| | - Liu Qin
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, West China School of Pharmacy, Sichuan University, Chengdu 610041, China.
| | - Lin Dong
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry, West China School of Pharmacy, Sichuan University, Chengdu 610041, China.
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29
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Zhao H, Xu J, Chen C, Xu X, Pan Y, Zhang Z, Li H, Xu L. Rhodium(III)-Catalyzed Selective Direct Olefination of Imidazoles. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201701515] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Haoqiang Zhao
- Department of Chemistry; Renmin University of China; Beijing 100872 People's Republic of China
| | - Jianbin Xu
- Department of Chemistry; Renmin University of China; Beijing 100872 People's Republic of China
| | - Changjun Chen
- Department of Chemistry; Renmin University of China; Beijing 100872 People's Republic of China
| | - Xin Xu
- Department of Chemistry; Renmin University of China; Beijing 100872 People's Republic of China
| | - Yixiao Pan
- Department of Chemistry; Renmin University of China; Beijing 100872 People's Republic of China
| | - Zongyao Zhang
- Department of Chemistry; Renmin University of China; Beijing 100872 People's Republic of China
| | - Huanrong Li
- Department of Chemistry; Renmin University of China; Beijing 100872 People's Republic of China
| | - Lijin Xu
- Department of Chemistry; Renmin University of China; Beijing 100872 People's Republic of China
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30
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Dutta C, Choudhury J. C–H activation-annulation on the N-heterocyclic carbene platform. RSC Adv 2018; 8:27881-27891. [PMID: 35542736 PMCID: PMC9084354 DOI: 10.1039/c8ra03799j] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2018] [Accepted: 07/30/2018] [Indexed: 12/15/2022] Open
Abstract
This review highlights the initial development of a new C–H activation–annulation chemistry accessible on the metal–N-heterocyclic carbene platform.
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Affiliation(s)
- Champak Dutta
- Organometallics and Smart Materials Laboratory
- Indian Institute of Science, Education and Research Bhopal
- Bhopal 462 066
- India
| | - Joyanta Choudhury
- Organometallics and Smart Materials Laboratory
- Indian Institute of Science, Education and Research Bhopal
- Bhopal 462 066
- India
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31
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Drigo NA, Paek S, Huckaba AJ, Schouwink PA, Tabet N, Nazeeruddin MK. Approaches for Selective Synthesis of Ullazine Donor-Acceptor Systems. Chemistry 2017; 23:17209-17212. [DOI: 10.1002/chem.201704694] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Indexed: 11/08/2022]
Affiliation(s)
- Nikita A. Drigo
- Group for Molecular Engineering of Functional Materials, Institution of Chemical Sciences and Engineering; Ecole Polytechnique Federale de Lausanne; CH-1951 Sion Switzerland
| | - Sanghyun Paek
- Group for Molecular Engineering of Functional Materials, Institution of Chemical Sciences and Engineering; Ecole Polytechnique Federale de Lausanne; CH-1951 Sion Switzerland
| | - Aron J. Huckaba
- Group for Molecular Engineering of Functional Materials, Institution of Chemical Sciences and Engineering; Ecole Polytechnique Federale de Lausanne; CH-1951 Sion Switzerland
| | - Pascal A. Schouwink
- Institution of Chemical Sciences and Engineering; Ecole Polytechnique Federale de Lausanne; CH-1951 Sion Switzerland
| | - Nouar Tabet
- Qatar Environment and Energy Research Institute; Hamad Bin Khalifa University (HBKU), Qatar Foundation; Doha 5825 Qatar
| | - Mohammad K. Nazeeruddin
- Group for Molecular Engineering of Functional Materials, Institution of Chemical Sciences and Engineering; Ecole Polytechnique Federale de Lausanne; CH-1951 Sion Switzerland
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32
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Sharma S, Pathare RS, Sukanya, Maurya AK, Goswami B, Agnihotri VK, Sawant DM, Pardasani RT. Microwave assisted metal-/oxidant-free cascade electrophilic sulfenylation/5-endo-dig cyclization of 2-alkynylanilines to generate diversified 3-sulfenylindoles. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.08.046] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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33
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Villar JM, Suárez J, Varela JA, Saá C. N-Doped Cationic PAHs by Rh(III)-Catalyzed Double C–H Activation and Annulation of 2-Arylbenzimidazoles with Alkynes. Org Lett 2017; 19:1702-1705. [DOI: 10.1021/acs.orglett.7b00478] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- José M. Villar
- Centro Singular de Investigación
en Química Biolóxica e Materiais Moleculares (CIQUS)
e Dpto. de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Jaime Suárez
- Centro Singular de Investigación
en Química Biolóxica e Materiais Moleculares (CIQUS)
e Dpto. de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Jesús A. Varela
- Centro Singular de Investigación
en Química Biolóxica e Materiais Moleculares (CIQUS)
e Dpto. de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Carlos Saá
- Centro Singular de Investigación
en Química Biolóxica e Materiais Moleculares (CIQUS)
e Dpto. de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
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34
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Li L, Wang H, Yang X, Kong L, Wang F, Li X. Rhodium-Catalyzed Oxidative Synthesis of Quinoline-Fused Sydnones via 2-fold C–H Bond Activation. J Org Chem 2016; 81:12038-12045. [DOI: 10.1021/acs.joc.6b02356] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Lei Li
- Dalian Institute of Chemical
Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - He Wang
- Dalian Institute of Chemical
Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Xifa Yang
- Dalian Institute of Chemical
Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Lingheng Kong
- Dalian Institute of Chemical
Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Fen Wang
- Dalian Institute of Chemical
Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Xingwei Li
- Dalian Institute of Chemical
Physics, Chinese Academy of Sciences, Dalian 116023, China
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35
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Thenarukandiyil R, Thrikkykkal H, Choudhury J. Rhodium(III)-Catalyzed Nonaromatic sp2 C–H Activation/Annulation Using NHC as a Directing and Functionalizable Group. Organometallics 2016. [DOI: 10.1021/acs.organomet.6b00530] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Ranjeesh Thenarukandiyil
- Organometallics & Smart Materials Laboratory, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal 462 066, India
| | - Hridya Thrikkykkal
- Organometallics & Smart Materials Laboratory, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal 462 066, India
| | - Joyanta Choudhury
- Organometallics & Smart Materials Laboratory, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal 462 066, India
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36
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Sucunza D, Cuadro AM, Alvarez-Builla J, Vaquero JJ. Recent Advances in the Synthesis of Azonia Aromatic Heterocycles. J Org Chem 2016; 81:10126-10135. [DOI: 10.1021/acs.joc.6b01092] [Citation(s) in RCA: 71] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- David Sucunza
- Department
of Organic and
Inorganic Chemistry, University of Alcalá, 28871 Alcalá
de Henares, Madrid, Spain
| | - Ana M. Cuadro
- Department
of Organic and
Inorganic Chemistry, University of Alcalá, 28871 Alcalá
de Henares, Madrid, Spain
| | - Julio Alvarez-Builla
- Department
of Organic and
Inorganic Chemistry, University of Alcalá, 28871 Alcalá
de Henares, Madrid, Spain
| | - Juan J. Vaquero
- Department
of Organic and
Inorganic Chemistry, University of Alcalá, 28871 Alcalá
de Henares, Madrid, Spain
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37
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Zhong W, Fei Z, Scopelliti R, Dyson PJ. Alcohol-Induced C−N Bond Cleavage of Cyclometalated N-Heterocyclic Carbene Ligands with a Methylene-Linked Pendant Imidazolium Ring. Chemistry 2016; 22:12138-44. [DOI: 10.1002/chem.201602267] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Indexed: 11/06/2022]
Affiliation(s)
- Wei Zhong
- Institut des Sciences et Ingénierie Chimiques; Ecole Polytechnique Fédérale de Lausanne (EPFL); 1015 Lausanne Switzerland
- College of Biological, Chemical Sciences and Engineering; Jiaxing University; Jiaxing 314001 China
| | - Zhaofu Fei
- Institut des Sciences et Ingénierie Chimiques; Ecole Polytechnique Fédérale de Lausanne (EPFL); 1015 Lausanne Switzerland
| | - Rosario Scopelliti
- Institut des Sciences et Ingénierie Chimiques; Ecole Polytechnique Fédérale de Lausanne (EPFL); 1015 Lausanne Switzerland
| | - Paul J. Dyson
- Institut des Sciences et Ingénierie Chimiques; Ecole Polytechnique Fédérale de Lausanne (EPFL); 1015 Lausanne Switzerland
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38
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Thenarukandiyil R, Gupta SK, Choudhury J. Unraveling the Competition of Two C–H and Two M–C Bonds in Guiding the Mechanism of Rhodium(III)-Catalyzed C–H Activation–Annulation. ACS Catal 2016. [DOI: 10.1021/acscatal.6b01486] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Ranjeesh Thenarukandiyil
- Organometallics & Smart Materials Laboratory, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal 462 066, India
| | - Suraj K. Gupta
- Organometallics & Smart Materials Laboratory, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal 462 066, India
| | - Joyanta Choudhury
- Organometallics & Smart Materials Laboratory, Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal 462 066, India
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39
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Shen B, Li B, Wang B. Rh(III)-Catalyzed Oxidative Annulation Leading to Substituted Indolizines by Cleavage of C(sp2)–H/C(sp3)–H Bonds. Org Lett 2016; 18:2816-9. [DOI: 10.1021/acs.orglett.6b01181] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | | | - Baiquan Wang
- State
Key Laboratory of Organometallic Chemistry, Shanghai Institute of
Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, People’s Republic of China
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40
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Ge Q, Hu Y, Li B, Wang B. Synthesis of Conjugated Polycyclic Quinoliniums by Rhodium(III)-Catalyzed Multiple C–H Activation and Annulation of Arylpyridiniums with Alkynes. Org Lett 2016; 18:2483-6. [DOI: 10.1021/acs.orglett.6b01055] [Citation(s) in RCA: 80] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | | | | | - Baiquan Wang
- State
Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, People’s Republic of China
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41
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Wang J, Mou XQ, Zhang BH, Liu WT, Yang C, Xu L, Xu ZL, Wang SH. A metal-free addition/dearomatization–cyclization/decarboxylation cascade of aryl 3-arylpropiolate toward the synthesis of 1,1-diaryl-2-alkyl-substituted ethylenes. Tetrahedron Lett 2016. [DOI: 10.1016/j.tetlet.2016.02.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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42
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Feng B, Wan D, Yan L, Kadam VD, You J, Gao G. A facile access to substituted cationic 12-azapyrene salts by rhodium(iii)-catalyzed C–H annulation of N-arylpyridinium salts. RSC Adv 2016. [DOI: 10.1039/c6ra15464f] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Rhodium(iii)-catalyzed C–H annulation of N-arylpyridinium salts with internal alkynes directly affords substituted cationic 12-azapyrene salts, which exhibit tunable and intense fluorescence.
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Affiliation(s)
- Boya Feng
- Key Laboratory of Green Chemistry and Technology of Ministry of Education
- College of Chemistry
- Chengdu 610064
- P. R. China
| | - Danyang Wan
- Key Laboratory of Green Chemistry and Technology of Ministry of Education
- College of Chemistry
- Chengdu 610064
- P. R. China
| | - Lipeng Yan
- Key Laboratory of Green Chemistry and Technology of Ministry of Education
- College of Chemistry
- Chengdu 610064
- P. R. China
| | - Vilas D. Kadam
- Key Laboratory of Green Chemistry and Technology of Ministry of Education
- College of Chemistry
- Chengdu 610064
- P. R. China
| | - Jingsong You
- Key Laboratory of Green Chemistry and Technology of Ministry of Education
- College of Chemistry
- Chengdu 610064
- P. R. China
| | - Ge Gao
- Key Laboratory of Green Chemistry and Technology of Ministry of Education
- College of Chemistry
- Chengdu 610064
- P. R. China
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43
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Ge Q, Li B, Wang B. Synthesis of substituted benzo[ij]imidazo[2,1,5-de]quinolizine by rhodium(iii)-catalyzed multiple C–H activation and annulations. Org Biomol Chem 2016; 14:1814-21. [DOI: 10.1039/c5ob02515j] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
The cascade oxidative annulation reactions of aryl imidazoles with two molecules of alkynes via multiple C–H activation proceed efficiently in the presence of [Cp*RhCl2]2 and Cu(OAc)2·H2O to give substituted benzo[ij]imidazo[2,1,5-de]quinolizine-based polyheteroaromatic compounds.
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Affiliation(s)
- Qingmei Ge
- State Key Laboratory of Elemento-Organic Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
- People's Republic of China
| | - Bin Li
- State Key Laboratory of Elemento-Organic Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
- People's Republic of China
| | - Baiquan Wang
- State Key Laboratory of Elemento-Organic Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
- People's Republic of China
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44
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Affiliation(s)
| | | | - Baiquan Wang
- State
Key Laboratory of Organometallic Chemistry, Shanghai Institute of
Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
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45
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Gandeepan P, Cheng CH. Advancements in the Synthesis and Applications of Cationic N
-Heterocycles through Transition Metal-Catalyzed C−H Activation. Chem Asian J 2015; 11:448-60. [DOI: 10.1002/asia.201501186] [Citation(s) in RCA: 104] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Indexed: 01/09/2023]
Affiliation(s)
| | - Chien-Hong Cheng
- Department of Chemistry; National Tsing Hua University; Hsinchu 30013 Taiwan
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46
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Li R, Hu Y, Liu R, Hu R, Li B, Wang B. Ruthenium(II)-Catalyzed Oxidative Annulation Reactions of Arylimidazolium SaltsviaN-Heterocyclic Carbene-Directed CH Activation. Adv Synth Catal 2015. [DOI: 10.1002/adsc.201500788] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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47
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Peng S, Liu S, Zhang S, Cao S, Sun J. Synthesis of Polyheteroaromatic Compounds via Rhodium-Catalyzed Multiple C–H Bond Activation and Oxidative Annulation. Org Lett 2015; 17:5032-5. [DOI: 10.1021/acs.orglett.5b02510] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Shiyong Peng
- School of Pharmaceutical Engineering & Life Science, and Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, Changzhou University, Changzhou 213164, P. R. China
| | - Suna Liu
- School of Pharmaceutical Engineering & Life Science, and Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, Changzhou University, Changzhou 213164, P. R. China
| | - Sai Zhang
- School of Pharmaceutical Engineering & Life Science, and Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, Changzhou University, Changzhou 213164, P. R. China
| | - Shengyu Cao
- School of Pharmaceutical Engineering & Life Science, and Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, Changzhou University, Changzhou 213164, P. R. China
| | - Jiangtao Sun
- School of Pharmaceutical Engineering & Life Science, and Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, Changzhou University, Changzhou 213164, P. R. China
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48
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Shi L, Yu K, Wang B. Regioselective synthesis of multisubstituted isoquinolones and pyridones via Rh(iii)-catalyzed annulation reactions. Chem Commun (Camb) 2015; 51:17277-80. [DOI: 10.1039/c5cc05977a] [Citation(s) in RCA: 100] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A mild and efficient Rh(iii)-catalyzed regioselective synthesis of isoquinolones and pyridones from N-methoxybenzamide or N-methoxymethacrylamide and diazo compounds has been developed, through tandem C–H activation, cyclization, and condensation.
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Affiliation(s)
- Liangliang Shi
- State Key Laboratory of Elemento-Organic Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
- P. R. China
| | - Ke Yu
- State Key Laboratory of Elemento-Organic Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
- P. R. China
| | - Baiquan Wang
- State Key Laboratory of Elemento-Organic Chemistry
- College of Chemistry
- Nankai University
- Tianjin 300071
- P. R. China
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49
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Xie X, Huynh HV. Cyclometallated ruthenium(ii) complexes with ditopic thienyl–NHC ligands: syntheses and alkyne annulations. Org Chem Front 2015. [DOI: 10.1039/c5qo00292c] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cycloruthenation of thienyl–NHC ligands and subsequent alkyne annulations allow for a facile preparation of unusual aza-heterocyclic-thiophenes.
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Affiliation(s)
- Xiaoke Xie
- Department of Chemistry
- National University of Singapore
- Singapore 117543
- Republic of Singapore
| | - Han Vinh Huynh
- Department of Chemistry
- National University of Singapore
- Singapore 117543
- Republic of Singapore
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