1
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Liu X, Zhou Y, Qi X, Li R, Liu P, Dong G. Palladium/Norbornene-Catalyzed Direct Vicinal Di-Carbo-Functionalization of Indoles: Reaction Development and Mechanistic Study. Angew Chem Int Ed Engl 2023; 62:e202310697. [PMID: 37672173 PMCID: PMC10591888 DOI: 10.1002/anie.202310697] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 09/05/2023] [Accepted: 09/06/2023] [Indexed: 09/07/2023]
Abstract
Methods that can simultaneously install multiple different functional groups to heteroarenes via C-H functionalizations are valuable for complex molecule synthesis, which, however, remain challenging to realize. Here we report the development of vicinal di-carbo-functionalization of indoles in a site- and regioselective manner, enabled by the palladium/norbornene (Pd/NBE) cooperative catalysis. The reaction is initiated by the Pd(II)-mediated C3-metalation and specifically promoted by the C1-substituted NBEs. The mild, scalable, and robust reaction conditions allow for a good substrate scope and excellent functional group tolerance. The resulting C2-arylated C3-alkenylated indoles can be converted to diverse synthetically useful scaffolds. The combined experimental and computational mechanistic study reveals the unique role of the C1-substituted NBE in accelerating the turnover-limiting oxidative addition step.
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Affiliation(s)
- Xin Liu
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
| | - Yun Zhou
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
| | - Xiaotian Qi
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260, USA
| | - Renhe Li
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
| | - Peng Liu
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260, USA
| | - Guangbin Dong
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
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2
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Han XQ, Liu JY, Lu JB, Liang RX, Jia YX. Dearomatizing [2+2+1] Spiroannulation of Indoles with Alkynes. Org Lett 2023; 25:261-266. [PMID: 36546773 DOI: 10.1021/acs.orglett.2c04119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A palladium-catalyzed dearomatizing [2+2+1] spiroannulation of indoles with two molecular internal alkynes is developed in the presence of Cu(OAc)2/O2 as the oxidant, in which a domino sequence including C-H activation of indole followed by consecutive Heck reactions is involved. A range of 3,3'-spiroindolines bearing tetrasubstituted cyclopentadiene moieties and exocyclic C═C bonds at C2 are obtained in moderate to excellent yields.
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Affiliation(s)
- Xiao-Qing Han
- College of Chemical Engineering, State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, Zhejiang University of Technology, Chaowang Road 18#, Hangzhou 310014, China
| | - Jing-Yuan Liu
- College of Chemical Engineering, State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, Zhejiang University of Technology, Chaowang Road 18#, Hangzhou 310014, China
| | - Jin-Bo Lu
- College of Chemical Engineering, State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, Zhejiang University of Technology, Chaowang Road 18#, Hangzhou 310014, China
| | - Ren-Xiao Liang
- College of Chemical Engineering, State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, Zhejiang University of Technology, Chaowang Road 18#, Hangzhou 310014, China
| | - Yi-Xia Jia
- College of Chemical Engineering, State Key Laboratory Breeding Base of Green-Chemical Synthesis Technology, Zhejiang University of Technology, Chaowang Road 18#, Hangzhou 310014, China.,Key Laboratory of Precise Synthesis of Functional Molecules of Zhejiang Province, School of Science, Westlake University, Hangzhou 310024, China
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3
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Wang Z, Liu Z, Sun A, Wang KK. Recent advances of three‐component reactions of simple indoles. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Zhanyong Wang
- Xinxiang University chemistry and chemical engineering Xinxiang 453000 Xinxiang CHINA
| | | | - Aili Sun
- Xinxiang University School of Pharmacy CHINA
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4
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Kudashev A, Baudoin O. Site-Selective Pd-Catalyzed C(sp 3 )-H Arylation of Heteroaromatic Ketones. Chemistry 2021; 27:17688-17694. [PMID: 34761844 PMCID: PMC9299137 DOI: 10.1002/chem.202103467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Indexed: 11/27/2022]
Abstract
A ligand-controlled site-selective C(sp3 )-H arylation of heteroaromatic ketones has been developed using Pd catalysis. The reaction occurred selectively at the α- or β-position of the ketone side-chain. The switch from α- to β-arylation was realized by addition of a pyridone ligand. The α-arylation process showed broad scope and high site- and chemoselectivity, whereas the β-arylation was more limited. Mechanistic investigations suggested that α-arylation occurs through C-H activation/oxidative addition/reductive elimination whereas β-arylation involves desaturation and aryl insertion.
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Affiliation(s)
- Anton Kudashev
- Department of ChemistryUniversity of BaselSt. Johanns-Ring 19CH-4056BaselSwitzerland
| | - Olivier Baudoin
- Department of ChemistryUniversity of BaselSt. Johanns-Ring 19CH-4056BaselSwitzerland
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5
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Hu R, Tao Y, Zhang X, Su W. 1,2‐Aryl Migration Induced by Amide C−N Bond‐Formation: Reaction of Alkyl Aryl Ketones with Primary Amines Towards α,α‐Diaryl β,γ‐Unsaturated γ‐Lactams. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202014900] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Rong Hu
- State Key Laboratory of Structural Chemistry Center for Excellence in Molecular Synthesis Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Yangqiao West Road 155 Fuzhou Fujian 350002 China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
- School of Physical Science and Technology ShanghaiTech University 100 Haike Road Shanghai 201210 China
- Shanghai Advanced Research Institute Chinese Academy of Sciences China
| | - Yigao Tao
- State Key Laboratory of Structural Chemistry Center for Excellence in Molecular Synthesis Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Yangqiao West Road 155 Fuzhou Fujian 350002 China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
- School of Physical Science and Technology ShanghaiTech University 100 Haike Road Shanghai 201210 China
- Shanghai Advanced Research Institute Chinese Academy of Sciences China
| | - Xiaofeng Zhang
- State Key Laboratory of Structural Chemistry Center for Excellence in Molecular Synthesis Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Yangqiao West Road 155 Fuzhou Fujian 350002 China
| | - Weiping Su
- State Key Laboratory of Structural Chemistry Center for Excellence in Molecular Synthesis Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Yangqiao West Road 155 Fuzhou Fujian 350002 China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
- School of Physical Science and Technology ShanghaiTech University 100 Haike Road Shanghai 201210 China
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6
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Hu R, Tao Y, Zhang X, Su W. 1,2-Aryl Migration Induced by Amide C-N Bond-Formation: Reaction of Alkyl Aryl Ketones with Primary Amines Towards α,α-Diaryl β,γ-Unsaturated γ-Lactams. Angew Chem Int Ed Engl 2021; 60:8425-8430. [PMID: 33432640 DOI: 10.1002/anie.202014900] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 12/18/2020] [Indexed: 12/15/2022]
Abstract
Rearrangement reactions incorporated into cascade reactions play an important role in rapidly increasing molecular complexity from readily available starting materials. Reported here is a Cu-catalyzed cascade reaction of α-(hetero)aryl-substituted alkyl (hetero)aryl ketones with primary amines that incorporates an unusual 1,2-aryl migration induced by amide C-N bond formation to produce a class of structurally novel α,α-diaryl β,γ-unsaturated γ-lactams in generally good-to-excellent yields. This cascade reaction has a broad substrate scope with respect to primary amines, allows a wide spectrum of (hetero)aryl groups to smoothly undergo 1,2-migration, and tolerates electronically diverse α-substituents on the (hetero)aryl ring of the ketones. Mechanistically, this 1,2-aryl migration may stem from the intramolecular amide C-N bond formation which induces nucleophilic migration of the aryl group from the acyl carbon center to the electrophilic carbon center that is conjugated with the resulting iminium moiety.
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Affiliation(s)
- Rong Hu
- State Key Laboratory of Structural Chemistry, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Yangqiao West Road 155, Fuzhou, Fujian, 350002, China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China.,School of Physical Science and Technology, ShanghaiTech University, 100 Haike Road, Shanghai, 201210, China.,Shanghai Advanced Research Institute, Chinese Academy of Sciences, China
| | - Yigao Tao
- State Key Laboratory of Structural Chemistry, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Yangqiao West Road 155, Fuzhou, Fujian, 350002, China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China.,School of Physical Science and Technology, ShanghaiTech University, 100 Haike Road, Shanghai, 201210, China.,Shanghai Advanced Research Institute, Chinese Academy of Sciences, China
| | - Xiaofeng Zhang
- State Key Laboratory of Structural Chemistry, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Yangqiao West Road 155, Fuzhou, Fujian, 350002, China
| | - Weiping Su
- State Key Laboratory of Structural Chemistry, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Yangqiao West Road 155, Fuzhou, Fujian, 350002, China.,University of Chinese Academy of Sciences, Beijing, 100049, P. R. China.,School of Physical Science and Technology, ShanghaiTech University, 100 Haike Road, Shanghai, 201210, China
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7
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Zhang W, Xiang S, Fan W, Jin J, Li Y, Huang D. A three-component iodine-catalyzed oxidative coupling reaction: a heterodifunctionalization of 3-methylindoles. Org Biomol Chem 2021; 19:5794-5799. [PMID: 34109340 DOI: 10.1039/d1ob00730k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A metal-free method for the synthesis of heterodifunctional indole derivatives is developed through TBHP/KI-mediated oxidative coupling. The reaction constructs C-O and C-C bonds in succession with the help of tert-butyl peroxy radicals generated by the TBHP/KI catalytic system, enabling the direct realization of the heterodifunctionalization of indole in one pot. The product of this reaction is a novel heterodifunctional compound. This work might provide a new effective method for the synthesis of polycyclic indole compounds.
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Affiliation(s)
- Wei Zhang
- Fujian Normal University, College of Chemistry and Materials Science, Fuzhou 350007, China. and State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
| | - Shiqun Xiang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
| | - Weibin Fan
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
| | - Jiang Jin
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
| | - Yinghua Li
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
| | - Deguang Huang
- Fujian Normal University, College of Chemistry and Materials Science, Fuzhou 350007, China. and State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
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8
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Wen ZK, Wu XX, Bao WK, Xiao JJ, Chao JB. Palladium-Catalyzed Regioselective Coupling Cyclohexenone into Indoles: Atom-Economic Synthesis of β-Indolyl Cyclohexenones and Derivatization Applications. Org Lett 2020; 22:4898-4902. [PMID: 32515596 DOI: 10.1021/acs.orglett.0c01763] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Herein, we report a palladium-catalyzed dehydrogenative cross-coupling of indoles with cyclic enones to give β-indolyl cyclic enones under mild and neutral reaction conditions. The key to the success is to explore a mild condition, which ensures the indole C-H activation and subsequent syn β-hydride elimination through rapid enolization isomerization of Pd(II)-enolate while suppressing other undesired side reactions. Synthetic utility has also been demonstrated in the flexible transformation of the coupling products to meta-phenols and benzo[a]carbazoles.
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Affiliation(s)
- Zhen-Kang Wen
- School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
| | - Xiao-Xue Wu
- School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
| | - Wen-Kai Bao
- School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
| | - Jing-Jing Xiao
- School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China
| | - Jian-Bin Chao
- Scientific Instrument Center, Shanxi University, Taiyuan 030006, China
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9
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Zhou LJ, Wang K, Guan HR, Zheng AQ, Yang HT, Miao CB. Cu(OAc)2-Promoted Oxidative Cross-Dehydrogenative Coupling Reaction of α-Acylmethyl Malonates with Indole Derivatives to Access 3-Functionalized Indoles and Polycyclic Indoles. J Org Chem 2020; 85:7925-7938. [DOI: 10.1021/acs.joc.0c00624] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Li-Jin Zhou
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
| | - Kun Wang
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
| | - Hong-Rong Guan
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
| | - An-Qi Zheng
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
| | - Hai-Tao Yang
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
| | - Chun-Bao Miao
- Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China
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10
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Affiliation(s)
- Moriah Locklear
- Department of Chemistry; University of Nebraska-Lincoln; 68588-0304 Lincoln NE USA
| | - Patrick H. Dussault
- Department of Chemistry; University of Nebraska-Lincoln; 68588-0304 Lincoln NE USA
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11
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Wang C, Dong G. Catalytic β-Functionalization of Carbonyl Compounds Enabled by α,β-Desaturation. ACS Catal 2020. [DOI: 10.1021/acscatal.0c01519] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Chengpeng Wang
- Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
| | - Guangbin Dong
- Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
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12
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Hu R, Chen FJ, Zhang X, Zhang M, Su W. Copper-catalyzed dehydrogenative γ-C(sp 3)-H amination of saturated ketones for synthesis of polysubstituted anilines. Nat Commun 2019; 10:3681. [PMID: 31417081 PMCID: PMC6695438 DOI: 10.1038/s41467-019-11624-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Accepted: 07/24/2019] [Indexed: 11/09/2022] Open
Abstract
Metal-catalyzed β-C-H functionalization of saturated carbonyls via dehydrogenative desaturation proved to be a powerful tool for simplifying synthesis of valuable β-substituted carbonyls. Here, we report a copper-catalyzed dehydrogenative γ-C(sp3)-H amination of saturated ketones that initiates the three-component coupling of saturated ketones, amines and N-substituted maleimides to construct polysubstituted anilines. The protocol presented herein enables both linear and α-branched butanones to couple a wide spectrum of amines and various N-substituted maleimides to produce diverse tetra- or penta-substituted anilines in fair-to-excellent yields with good functional group tolerance. The mechanism studies support that this ketone dehydrogenative γ-C(sp3)-H amination was triggered by the ketone α,β-dehydrogenation desaturation that activates the adjacent γ-C(sp3)-H bond towards functionalization. This α,β-dehydrogenation desaturation-triggered cascade sequence opens up a new avenue to the remote C(sp3)-H functionalization of saturated ketones and has the potential to enable the rapid syntheses of complex compounds from simple starting materials.
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Affiliation(s)
- Rong Hu
- School of Physical Science and Technology, ShanghaiTech University, Shanghai, 201210, China
- State Key Laboratory of Structural Chemistry, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
| | - Fa-Jie Chen
- State Key Laboratory of Structural Chemistry, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
| | - Xiaofeng Zhang
- State Key Laboratory of Structural Chemistry, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
| | - Min Zhang
- State Key Laboratory of Structural Chemistry, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China
| | - Weiping Su
- School of Physical Science and Technology, ShanghaiTech University, Shanghai, 201210, China.
- State Key Laboratory of Structural Chemistry, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, China.
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13
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F. Tietze L, A. Khan T. Synthesis of a Poly-Heterocyclic Tetra-Substituted Alkene via a Palladium-Catalyzed Four-Fold Domino Reaction for the Design of Polymeric Molecular Switches. HETEROCYCLES 2019. [DOI: 10.3987/com-18-s(f)94] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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14
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Lotz F, Kahle K, Kangani M, Senthilkumar S, Tietze LF. Domino C-H Activation Reactions through Proximity Effects. European J Org Chem 2018. [DOI: 10.1002/ejoc.201801289] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Florian Lotz
- Institute of Organic und Biomolecular Chemistry; Georg-August-University of Göttingen; Tammannstr. 2 37077 Göttingen Germany
| | - Klaus Kahle
- Institute of Organic und Biomolecular Chemistry; Georg-August-University of Göttingen; Tammannstr. 2 37077 Göttingen Germany
| | - Mehrnoush Kangani
- Institute of Organic und Biomolecular Chemistry; Georg-August-University of Göttingen; Tammannstr. 2 37077 Göttingen Germany
| | - Soundararasu Senthilkumar
- Institute of Organic und Biomolecular Chemistry; Georg-August-University of Göttingen; Tammannstr. 2 37077 Göttingen Germany
| | - Lutz F. Tietze
- Institute of Organic und Biomolecular Chemistry; Georg-August-University of Göttingen; Tammannstr. 2 37077 Göttingen Germany
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15
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Bai H, Liu F, Wang X, Wang P, Huang C. Three-Component One-Pot Approach to Highly Efficient and Sustainable Synthesis of the Functionalized Quinolones via Linear/Branched Domino Protocols, Key Synthetic Methods for the Floxacin of Quinolone Drugs. ACS OMEGA 2018; 3:11233-11251. [PMID: 31459232 PMCID: PMC6645088 DOI: 10.1021/acsomega.8b01378] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Accepted: 08/20/2018] [Indexed: 06/10/2023]
Abstract
The development of a clear chemical process to produce diverse value-added chemicals from low-cost raw materials is a particularly attractive concept and represents a considerable challenge in sustainable organic synthesis. Herein, two highly efficient and clear methods for the synthesis of quinolone derivatives based on a linear/branched domino protocol under sustainable conditions were established. The main advantages of these protocols are the simple experimental procedure, high bond-forming efficiency, inexpensive readily available starting materials, moderate to excellent yields with good functional group compatibility, and nonchromatographic purification, which render these methods particularly attractive for the sustainable preparation of biologically and medicinally interesting molecules. To demonstrate the practical utility of our protocol, existing pharmaceutical sarafloxacin was successfully synthesized. Furthermore, a postulated reaction pathway including condensation reaction/nucleophilic aromatic substitution/Friedel-Crafts reaction for these domino reactions is also discussed.
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Affiliation(s)
- Hairui Bai
- School
of Chemistry and Environment and Engineering Research Center of
Biopolymer Functional Materials of Yunnan, Yunnan Minzu University, Yuehua Street, Kunming 650500, P. R. China
| | - Fujun Liu
- School
of Chemistry and Environment and Engineering Research Center of
Biopolymer Functional Materials of Yunnan, Yunnan Minzu University, Yuehua Street, Kunming 650500, P. R. China
| | - Xiaojing Wang
- School
of Chemistry and Environment and Engineering Research Center of
Biopolymer Functional Materials of Yunnan, Yunnan Minzu University, Yuehua Street, Kunming 650500, P. R. China
| | - Ping Wang
- School
of Chemistry and Environment and Engineering Research Center of
Biopolymer Functional Materials of Yunnan, Yunnan Minzu University, Yuehua Street, Kunming 650500, P. R. China
| | - Chao Huang
- School
of Chemistry and Environment and Engineering Research Center of
Biopolymer Functional Materials of Yunnan, Yunnan Minzu University, Yuehua Street, Kunming 650500, P. R. China
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16
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Zhu Y, Chen F, Zhou Y, Kang Z, Zhang M, Deng H, Song L. A consecutive one-pot two-step approach to trifluoromethylated pyrazolo[4ʹ,3ʹ:5,6]pyrano[2,3-b]indoles promoted by molecular iodine. J Fluor Chem 2018. [DOI: 10.1016/j.jfluchem.2018.04.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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17
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Le Bras J, Muzart J. Palladium-Catalyzed Domino Dehydrogenation/Heck-Type Reactions of Carbonyl Compounds. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800258] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Jean Le Bras
- Institut de Chimie Moléculaire de Reims, UMR 7312; CNRS - Université de Reims Champagne-Ardenne; B.P. 1039 51687 Reims Cedex 2 France
| | - Jacques Muzart
- Institut de Chimie Moléculaire de Reims, UMR 7312; CNRS - Université de Reims Champagne-Ardenne; B.P. 1039 51687 Reims Cedex 2 France
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18
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Bai H, Sun R, Chen X, Yang L, Huang C. Microwave-Assisted, Solvent-Free, Three-Component Domino Protocol: Efficient Synthesis of Polysubstituted-2-Pyridone Derivatives. ChemistrySelect 2018. [DOI: 10.1002/slct.201800606] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Hairui Bai
- Engineering Research Center of Biopolymer Functional Materials of Yunnan; School of Chemistry and Environment; Yunnan Minzu University, Kunming; 650500, P. R. China
| | - Rongrong Sun
- Engineering Research Center of Biopolymer Functional Materials of Yunnan; School of Chemistry and Environment; Yunnan Minzu University, Kunming; 650500, P. R. China
| | - Xuebing Chen
- Key Laboratory of Natural Pharmaceutical and Chemical Biology of Yunnan; School of Science; Honghe University, Mengzi; 661100, P. R. China
| | - Lijuan Yang
- Engineering Research Center of Biopolymer Functional Materials of Yunnan; School of Chemistry and Environment; Yunnan Minzu University, Kunming; 650500, P. R. China
| | - Chao Huang
- Engineering Research Center of Biopolymer Functional Materials of Yunnan; School of Chemistry and Environment; Yunnan Minzu University, Kunming; 650500, P. R. China
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19
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Li H, Jiang Q, Jie X, Shang Y, Zhang Y, Goossen LJ, Su W. Rh/Cu-Catalyzed Ketone β-Functionalization by Merging Ketone Dehydrogenation and Carboxyl-Directed C–H Alkylation. ACS Catal 2018. [DOI: 10.1021/acscatal.8b00923] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hongyi Li
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Quandi Jiang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
| | - Xiaoming Jie
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, People’s Republic of China
| | - Yaping Shang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, People’s Republic of China
| | - Yuanfei Zhang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, People’s Republic of China
| | - Lukas J. Goossen
- Fakultät für Chemie und Biochemie, Ruhr-Universität Bochum, Universitätsstrasse 150, 44801 Bochum, Germany
| | - Weiping Su
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, People’s Republic of China
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20
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Khan TA, Fornefeld T, Hübner D, Vana P, Tietze LF. Palladium-Catalyzed 4-Fold Domino Reaction for the Synthesis of a Polymeric Double Switch. Org Lett 2018; 20:2007-2010. [PMID: 29558155 DOI: 10.1021/acs.orglett.8b00553] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
A palladium-catalyzed 4-fold domino reaction consisting of two carbopalladation reactions and two C-H activation reactions, followed by the introduction of an acrylate moiety, led to the tetra-substituted helical alkene A2, using the dialkyne A3 as a substrate. The alkene was copolymerized with butyl acrylate by using the reversible addition-fragmentation chain transfer polymerization (RAFT) to give the desired polymeric switch A1.
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Affiliation(s)
- Taukeer A Khan
- Institute of Organic and Biomolecular Chemistry , Georg-August-University of Göttingen , Tammannstr. 2 , D-37077 Göttingen , Germany
| | - Torsten Fornefeld
- Institute of Physical Chemistry , Georg-August-University of Göttingen , Tammannstr. 6 , D-37077 Göttingen , Germany
| | - Dennis Hübner
- Institute of Physical Chemistry , Georg-August-University of Göttingen , Tammannstr. 6 , D-37077 Göttingen , Germany
| | - Philipp Vana
- Institute of Physical Chemistry , Georg-August-University of Göttingen , Tammannstr. 6 , D-37077 Göttingen , Germany
| | - Lutz F Tietze
- Institute of Organic and Biomolecular Chemistry , Georg-August-University of Göttingen , Tammannstr. 2 , D-37077 Göttingen , Germany
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21
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Mohammadi Ziarani G, Moradi R, Ahmadi T, Lashgari N. Recent advances in the application of indoles in multicomponent reactions. RSC Adv 2018; 8:12069-12103. [PMID: 35539427 PMCID: PMC9079367 DOI: 10.1039/c7ra13321a] [Citation(s) in RCA: 69] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Accepted: 03/05/2018] [Indexed: 01/17/2023] Open
Abstract
Indoles are some of the most versatile and common nitrogen-based heterocyclic scaffolds and are frequently used in the synthesis of various organic compounds. Indole based compounds are very important among heterocyclic structures due to their biological and pharmaceutical activities. The last decade, in particular, has witnessed considerable activity towards the synthesis of indole derivatives due to the possibilities for the design of polycyclic structures by the incorporation of multiple fused heterocyclic scaffolds in an attempt to achieve promising new heterocycles with chemical and biomedical relevance. In this study, we provide an overview on recent applications of indole in the multicomponent reactions for the synthesis of various heterocyclic compounds during the period of 2012 to 2017.
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Affiliation(s)
| | - Razieh Moradi
- Department of Chemistry, Alzahra University Tehran Iran +98 21 88041344 +98 21 88041344
| | - Tahereh Ahmadi
- Department of Chemistry, Alzahra University Tehran Iran +98 21 88041344 +98 21 88041344
| | - Negar Lashgari
- Department of Chemistry, Alzahra University Tehran Iran +98 21 88041344 +98 21 88041344
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22
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Xiong W, Qi C, Cheng R, Zhang H, Wang L, Yan D, Jiang H. A four-component coupling reaction of carbon dioxide, amines, cyclic ethers and 3-triflyloxybenzynes for the synthesis of functionalized carbamates. Chem Commun (Camb) 2018; 54:5835-5838. [DOI: 10.1039/c8cc01732h] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel four-component coupling reaction of carbon dioxide, amines, cyclic ethers and 3-triflyloxybenzynes for the synthesis of functionalized carbamates has been developed for the first time.
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Affiliation(s)
- Wenfang Xiong
- Key Lab of Functional Molecular Engineering of Guangdong Province
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510640
- P. R. China
| | - Chaorong Qi
- Key Lab of Functional Molecular Engineering of Guangdong Province
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510640
- P. R. China
| | - Ruixiang Cheng
- Key Lab of Functional Molecular Engineering of Guangdong Province
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510640
- P. R. China
| | - Hao Zhang
- Key Lab of Functional Molecular Engineering of Guangdong Province
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510640
- P. R. China
| | - Lu Wang
- Key Lab of Functional Molecular Engineering of Guangdong Province
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510640
- P. R. China
| | - Donghao Yan
- Key Lab of Functional Molecular Engineering of Guangdong Province
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510640
- P. R. China
| | - Huanfeng Jiang
- Key Lab of Functional Molecular Engineering of Guangdong Province
- School of Chemistry and Chemical Engineering
- South China University of Technology
- Guangzhou 510640
- P. R. China
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23
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Iosub AV, Stahl SS. Palladium-Catalyzed Aerobic Dehydrogenation of Cyclic Hydrocarbons for the Synthesis of Substituted Aromatics and Other Unsaturated Products. ACS Catal 2016; 6:8201-8213. [PMID: 28154785 PMCID: PMC5279950 DOI: 10.1021/acscatal.6b02406] [Citation(s) in RCA: 114] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Catalytic dehydrogenation of saturated or partially saturated six-membered carbocycles into aromatic rings represents an appealing strategy for the synthesis of substituted arenes. Particularly effective methods have been developed for the dehydrogenation of cyclohexanones and cyclohexenes into substituted phenol, aniline, and benzene derivatives, respectively. In this Perspective, we present the contributions of our research group to the discovery and development of palladium-based catalysts for aerobic oxidative dehydrogenation methods, including general methods for conversion of cyclohexanones and cyclohexenones into substituted phenols and a complementary method for partial dehydrogenation cyclohexanones to cyclohexenones. The mechanistic basis for chemoselective conversion of cyclohexanones to phenols or enones is presented. These results are presented within the context of recent methods developed by others for the synthesis of aryl ethers, anilines and other substituted arenes. Overall, Pd-catalyzed dehydrogenation methods provide a compelling strategy for selective synthesis of aromatic and related unsaturated molecules.
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Affiliation(s)
- Andrei V. Iosub
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, WI 53706, United States
| | - Shannon S. Stahl
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, WI 53706, United States
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24
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Qiu L, Wang D, Lei Y, Gao L, Liu S, Li J, Hu W. Diastereoselective Three-Component Cascade Reaction to Construct Oxindole-Fused Spirotetrahydrofurochroman Scaffolds for Drug Discovery. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600315] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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25
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Jie X, Shang Y, Zhang X, Su W. Cu-Catalyzed Sequential Dehydrogenation–Conjugate Addition for β-Functionalization of Saturated Ketones: Scope and Mechanism. J Am Chem Soc 2016; 138:5623-33. [DOI: 10.1021/jacs.6b01337] [Citation(s) in RCA: 132] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Xiaoming Jie
- State Key Laboratory of Structural
Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China
| | - Yaping Shang
- State Key Laboratory of Structural
Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China
| | - Xiaofeng Zhang
- State Key Laboratory of Structural
Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China
| | - Weiping Su
- State Key Laboratory of Structural
Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, PR China
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26
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Rossi R, Lessi M, Manzini C, Marianetti G, Bellina F. Achievement of regioselectivity in transition metal-catalyzed direct C–H (hetero)arylation reactions of heteroarenes with one heteroatom through the use of removable protecting/blocking substituents or traceless directing groups. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.02.037] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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27
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Tulichala RNP, Swamy KCK. Reactivity of alkynylindole-2-carboxamides in [Pd]-catalysed C–H activation and phase transfer catalysis: formation of pyrrolo-diindolones vs. β-carbolinones. Org Biomol Chem 2016; 14:4519-33. [DOI: 10.1039/c6ob00583g] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
[Pd]-Catalysed reaction of 3-alkynylindole-2-carboxamidesviaC–H activation leads to pyrrolodiindolones; in contrast, under phase-transfer catalysis, the same precursors afford β-carbolinones.
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28
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Xie J, Zhu C. Recent Advances in Non-directed C(sp3)–H Bond Functionalization. SPRINGERBRIEFS IN MOLECULAR SCIENCE 2016. [DOI: 10.1007/978-3-662-49496-7_2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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29
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Qiu L, Guo X, Qian Y, Jing C, Ma C, Liu S, Hu W. Enantioselective oxidative functionalization of the Csp3–H bond adjacent to a nitrogen atom for rapid access to β-hydroxyl-α-amino acid derivatives. Chem Commun (Camb) 2016; 52:11831-11833. [DOI: 10.1039/c6cc04710f] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Highly chemoselective and enantioselective one-pot reactions involved in the oxidative functionalization of Csp3–H bonds adjacent to nitrogen atoms were developed to rapidly construct highly functionalized β-hydroxyl-α-amino acid derivatives from simple starting materials under mild conditions.
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Affiliation(s)
- Lin Qiu
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai
- China
| | - Xin Guo
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai
- China
| | - Yu Qian
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai
- China
| | - Changcheng Jing
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai
- China
| | - Chaoqun Ma
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai
- China
| | - Shunying Liu
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai
- China
| | - Wenhao Hu
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development
- School of Chemistry and Molecular Engineering
- East China Normal University
- Shanghai
- China
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30
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Duan YN, Cui LQ, Zuo LH, Zhang C. Recyclable Hypervalent-Iodine-Mediated Dehydrogenative α,β′-Bifunctionalization of β-Keto Esters Under Metal-Free Conditions. Chemistry 2015. [DOI: 10.1002/chem.201502450] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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31
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Tietze LF, Waldecker B, Ganapathy D, Eichhorst C, Lenzer T, Oum K, Reichmann SO, Stalke D. Four- and Sixfold Tandem-Domino Reactions Leading to Dimeric Tetrasubstituted Alkenes Suitable as Molecular Switches. Angew Chem Int Ed Engl 2015; 54:10317-21. [DOI: 10.1002/anie.201503538] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2015] [Indexed: 01/17/2023]
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32
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Tietze LF, Waldecker B, Ganapathy D, Eichhorst C, Lenzer T, Oum K, Reichmann SO, Stalke D. Vier- und sechsfache Tandem-Dominoreaktionen zur Synthese von dimeren tetrasubstituierten Alkenen als molekulare Doppelschalter. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201503538] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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33
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Wang L, Qu X, Li Z, Peng WM. Rhodium-catalyzed regioselective direct C–H arylation of indoles with aryl boronic acids. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.04.015] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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34
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Xu Z, Xu Y, Lu H, Yang T, Lin X, Shao L, Ren F. Efficient and C2-selective arylation of indoles, benzofurans, and benzothiophenes with iodobenzenes in water at room temperature. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.03.051] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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35
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Xin Z, Lescot C, Friis SD, Daasbjerg K, Skrydstrup T. Organocatalyzed CO2 Trapping Using Alkynyl Indoles. Angew Chem Int Ed Engl 2015; 54:6862-6. [PMID: 25907260 DOI: 10.1002/anie.201500233] [Citation(s) in RCA: 76] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2015] [Revised: 03/11/2015] [Indexed: 12/27/2022]
Abstract
The first organocatalyzed trapping of CO2 through C-C and C-O bond formation is reported. Alkynyl indoles together with catalytic amounts of an organic base and five equivalents of CO2 resulted in the formation new heterocyclic structures. These tricyclic indole-containing products were successfully prepared under mild reaction conditions from aromatic, heteroaromatic, and aliphatic alkynyl indoles with complete regioselectivity. Further investigations suggest that C-C bond formation is the initial intermolecular step, followed by lactone-forming C-O bond formation.
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Affiliation(s)
- Zhuo Xin
- Carbon Dioxide Activation Center (CADIAC), Interdisciplinary Nanoscience Center (iNANO) and Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus (Denmark) http://www.skrydstrup-group.com
| | - Camille Lescot
- Carbon Dioxide Activation Center (CADIAC), Interdisciplinary Nanoscience Center (iNANO) and Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus (Denmark) http://www.skrydstrup-group.com
| | - Stig D Friis
- Carbon Dioxide Activation Center (CADIAC), Interdisciplinary Nanoscience Center (iNANO) and Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus (Denmark) http://www.skrydstrup-group.com
| | - Kim Daasbjerg
- Carbon Dioxide Activation Center (CADIAC), Interdisciplinary Nanoscience Center (iNANO) and Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus (Denmark) http://www.skrydstrup-group.com
| | - Troels Skrydstrup
- Carbon Dioxide Activation Center (CADIAC), Interdisciplinary Nanoscience Center (iNANO) and Department of Chemistry, Aarhus University, Gustav Wieds Vej 14, 8000 Aarhus (Denmark) http://www.skrydstrup-group.com.
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36
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Xin Z, Lescot C, Friis SD, Daasbjerg K, Skrydstrup T. Organocatalyzed CO2Trapping Using Alkynyl Indoles. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201500233] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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37
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Ha TM, Yao B, Wang Q, Zhu J. 2-(Methoxycarbonyl)ethyl as a Removable N-Protecting Group: Synthesis of Indoloisoquinolinones by Pd(II)-Catalyzed Intramolecular Diamination of Alkynes. Org Lett 2015; 17:1750-3. [DOI: 10.1021/acs.orglett.5b00526] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Tu M. Ha
- Laboratory of Synthesis and
Natural Products, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL-SB-ISIC-LSPN, BCH 5304, 1015 Lausanne, Switzerland
| | - Bo Yao
- Laboratory of Synthesis and
Natural Products, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL-SB-ISIC-LSPN, BCH 5304, 1015 Lausanne, Switzerland
| | - Qian Wang
- Laboratory of Synthesis and
Natural Products, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL-SB-ISIC-LSPN, BCH 5304, 1015 Lausanne, Switzerland
| | - Jieping Zhu
- Laboratory of Synthesis and
Natural Products, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, EPFL-SB-ISIC-LSPN, BCH 5304, 1015 Lausanne, Switzerland
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38
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Tiwari VK, Kamal N, Kapur M. Ruthenium-Catalyzed Heteroatom-Directed Regioselective C–H Arylation of Indoles Using a Removable Tether. Org Lett 2015; 17:1766-9. [DOI: 10.1021/acs.orglett.5b00535] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Virendra Kumar Tiwari
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Indore Bypass
Road, Bhauri, Bhopal 462066, India
| | - Neha Kamal
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Indore Bypass
Road, Bhauri, Bhopal 462066, India
| | - Manmohan Kapur
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Indore Bypass
Road, Bhauri, Bhopal 462066, India
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39
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Sollert C, Devaraj K, Orthaber A, Gates PJ, Pilarski LT. Ru-catalysed C-H arylation of indoles and pyrroles with boronic acids: scope and mechanistic studies. Chemistry 2015; 21:5380-6. [PMID: 25689052 PMCID: PMC4600241 DOI: 10.1002/chem.201405931] [Citation(s) in RCA: 72] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2014] [Indexed: 12/28/2022]
Abstract
The Ru-catalysed C2–H arylation of indoles and pyrroles by using boronic acids under oxidative conditions is reported. This reaction can be applied to tryptophan derivatives and tolerates a wide range of functional groups on both coupling partners, including bromides and iodides, which can be further derivatised selectively. New indole-based ruthenacyclic complexes are described and investigated as possible intermediates in the reaction. Mechanistic studies suggest the on-cycle intermediates do not possess a para-cymene ligand and that the on-cycle metalation occurs through an electrophilic attack by the Ru centre.
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Affiliation(s)
- Carina Sollert
- Department of Chemistry-BMC, Uppsala University, Box 576, 75-123 Uppsala (Sweden), Fax: (+46) 18-471-38-18
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40
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Prasad Tulichala RN, Kumara Swamy KC. Palladium-catalysed decarboxylative nitrile insertion via C–H activation or self-coupling of indole-2-carboxylic acids: a new route to indolocarbolines and triindoles. Chem Commun (Camb) 2015; 51:12008-11. [DOI: 10.1039/c5cc03160e] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Palladium catalysed decarboxylative nitrile insertion/dual C–H activation of indole carboxylic acids afforded indolocarbolines or triindoles in the absence of nitriles.
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41
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Yan J, Ni T, Yan F, Zhang J, Zhuang F. Friedel–Crafts reaction of indoles with vicinal tricarbonyl compounds generated in situ from 1,3-dicarbonyl compounds and TEMPO: highly selective synthesis of tertiary alcohols. RSC Adv 2015. [DOI: 10.1039/c5ra17383c] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A novel Friedel–Crafts reaction of indoles with vicinal tricarbonyl compounds generated in situ has been developed, forming indolyl tertiary alcohols. The process involves disproportionation of TEMPO, α-oxyamination, N–O bond cleavage and, finally, addition of the indole.
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Affiliation(s)
- Jianwei Yan
- School of Pharmacy
- Xinxiang Medical University
- Xinxiang
- P. R. China
| | - Tianjun Ni
- Department of Chemistry
- Xinxiang Medical University
- Xinxiang
- P. R. China
| | - Fulin Yan
- School of Pharmacy
- Xinxiang Medical University
- Xinxiang
- P. R. China
| | - Jixia Zhang
- School of Pharmacy
- Xinxiang Medical University
- Xinxiang
- P. R. China
| | - Fangfang Zhuang
- School of Pharmacy
- Xinxiang Medical University
- Xinxiang
- P. R. China
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42
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Qiu G, Wu J. Transition metal-catalyzed direct remote C–H functionalization of alkyl groups via C(sp3)–H bond activation. Org Chem Front 2015. [DOI: 10.1039/c4qo00207e] [Citation(s) in RCA: 149] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
This review is focused on the recent advances in the transition metal-catalyzed direct remote C–H-functionalization of alkyl groups via C(sp3)–H bond activation. In general, carboxamide/ester-chelated β-functionalization reactions are summarized.
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Affiliation(s)
- Guanyinsheng Qiu
- College of Biological
- Chemical Science and Engineering
- Jiaxing University
- Jiaxing 314001
- China
| | - Jie Wu
- Department of Chemistry
- Fudan University
- Shanghai 200433
- China
- State Key Laboratory of Organometallic Chemistry
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43
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Perepichka I, Kundu S, Hearne Z, Li CJ. Efficient merging of copper and photoredox catalysis for the asymmetric cross-dehydrogenative-coupling of alkynes and tetrahydroisoquinolines. Org Biomol Chem 2014; 13:447-51. [PMID: 25372475 DOI: 10.1039/c4ob02138j] [Citation(s) in RCA: 98] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A highly efficient catalytic asymmetric alkynylation of prochiral CH2 groups in tetrahydroisoquinoline was developed using copper catalyzed cross-dehydrogenative-coupling of sp(3) and sp C-H bonds with the assistance of a photocatalyst and visible light.
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Affiliation(s)
- Inna Perepichka
- Department of Chemistry, McGill University, 801 Sherbrooke St. West, Montreal, Quebec H3A 0B8, Canada.
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44
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Tietze LF, Eichhorst C, Hungerland T, Steinert M. A Fast Way to Fluorescence: A Fourfold Domino Reaction to Condensed Polycyclic Compounds. Chemistry 2014; 20:12553-8. [DOI: 10.1002/chem.201402961] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2014] [Indexed: 12/24/2022]
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45
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Zheng J, Zhang Y, Cui S. Rh(III)-Catalyzed Selective Coupling of N-Methoxy-1H-indole-1-carboxamides and Aryl Boronic Acids. Org Lett 2014; 16:3560-3. [DOI: 10.1021/ol5014312] [Citation(s) in RCA: 89] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Jing Zheng
- Institute of Materia Medica
and College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, P. R. China
| | - Yan Zhang
- Institute of Materia Medica
and College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, P. R. China
| | - Sunliang Cui
- Institute of Materia Medica
and College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou 310058, P. R. China
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46
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Leskinen MV, Madarász Á, Yip KT, Vuorinen A, Pápai I, Neuvonen AJ, Pihko PM. Cross-Dehydrogenative Couplings between Indoles and β-Keto Esters: Ligand-Assisted Ligand Tautomerization and Dehydrogenation via a Proton-Assisted Electron Transfer to Pd(II). J Am Chem Soc 2014; 136:6453-62. [DOI: 10.1021/ja501681y] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Mikko V. Leskinen
- Department
of Chemistry and NanoScience Center, University of Jyväskylä, FI-40014 Jyväskylä, Finland
| | - Ádám Madarász
- Research
Center for Natural Sciences, Hungarian Academy of Sciences, Magyar Tudosok
Korutja 2, H-1117, Budapest, Hungary
| | - Kai-Tai Yip
- Department
of Chemistry and NanoScience Center, University of Jyväskylä, FI-40014 Jyväskylä, Finland
| | - Aini Vuorinen
- Department
of Chemistry and NanoScience Center, University of Jyväskylä, FI-40014 Jyväskylä, Finland
| | - Imre Pápai
- Research
Center for Natural Sciences, Hungarian Academy of Sciences, Magyar Tudosok
Korutja 2, H-1117, Budapest, Hungary
| | - Antti J. Neuvonen
- Department
of Chemistry and NanoScience Center, University of Jyväskylä, FI-40014 Jyväskylä, Finland
| | - Petri M. Pihko
- Department
of Chemistry and NanoScience Center, University of Jyväskylä, FI-40014 Jyväskylä, Finland
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47
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Liu P, Liu JL, Wang HS, Pan YM, Liang H, Chen ZF. Copper-mediated cross-coupling–cyclization–oxidation: a one-pot reaction to construct polysubstituted pyrroles. Chem Commun (Camb) 2014; 50:4795-8. [DOI: 10.1039/c3cc48728h] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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48
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Qiu L, Guo X, Ma C, Qiu H, Liu S, Yang L, Hu W. Efficient synthesis of chiral cyclic acetals by metal and Brønsted acid co-catalyzed enantioselective four-component cascade reactions. Chem Commun (Camb) 2014; 50:2196-8. [DOI: 10.1039/c3cc49063g] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Four-component Mannich reactions subsequently followed by an intramolecular oxo-Michael addition were developed to efficiently produce chiral cyclic acetals with high diastereoselectivity and enantioselectivity.
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Affiliation(s)
- Lin Qiu
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development
- East China Normal University
- Shanghai, China
| | - Xin Guo
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development
- East China Normal University
- Shanghai, China
| | - Chaoqun Ma
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development
- East China Normal University
- Shanghai, China
| | - Huang Qiu
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development
- East China Normal University
- Shanghai, China
| | - Shunying Liu
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development
- East China Normal University
- Shanghai, China
| | - Liping Yang
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development
- East China Normal University
- Shanghai, China
| | - Wenhao Hu
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development
- East China Normal University
- Shanghai, China
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49
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Huang Z, Dong G. Catalytic Direct β-Arylation of Simple Ketones with Aryl Iodides. J Am Chem Soc 2013; 135:17747-50. [DOI: 10.1021/ja410389a] [Citation(s) in RCA: 99] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Zhongxing Huang
- Department of Chemistry, University of Texas at Austin, Austin, Texas 78712, United States
| | - Guangbin Dong
- Department of Chemistry, University of Texas at Austin, Austin, Texas 78712, United States
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50
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Kannaboina P, Anilkumar K, Aravinda S, Vishwakarma RA, Das P. Direct C-2 Arylation of 7-Azaindoles: Chemoselective Access to Multiarylated Derivatives. Org Lett 2013; 15:5718-21. [DOI: 10.1021/ol4027478] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Prakash Kannaboina
- Academy of Scientific and Innovative Research (AcSIR) and Medicinal Chemistry Division, Indian Institute of Integrative Medicine(CSIR), Jammu 180001, India
| | - K. Anilkumar
- Academy of Scientific and Innovative Research (AcSIR) and Medicinal Chemistry Division, Indian Institute of Integrative Medicine(CSIR), Jammu 180001, India
| | - S. Aravinda
- Academy of Scientific and Innovative Research (AcSIR) and Medicinal Chemistry Division, Indian Institute of Integrative Medicine(CSIR), Jammu 180001, India
| | - Ram A. Vishwakarma
- Academy of Scientific and Innovative Research (AcSIR) and Medicinal Chemistry Division, Indian Institute of Integrative Medicine(CSIR), Jammu 180001, India
| | - Parthasarathi Das
- Academy of Scientific and Innovative Research (AcSIR) and Medicinal Chemistry Division, Indian Institute of Integrative Medicine(CSIR), Jammu 180001, India
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