1
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Chen X, Gao Y, Luo J, Liu Y, Chen Q, Huo Y, Li X. Access to Functionalized Amines and Medium N-Heterocycles via Amine-Enabled Remote C-H Alkynylation. J Org Chem 2024; 89:17544-17549. [PMID: 39541590 DOI: 10.1021/acs.joc.4c02278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2024]
Abstract
By using weakly coordinating amines, we developed remote C-H alkynylation with precise control of reactivity and regioselectivity, enabling modification of complex drugs, natural products, and materials. The readily transformable alkyne-containing amine products would facilitate expedient delivery of molecular libraries of functionalized amines and medium N-heterocycles, which are previously elusive to access. Moreover, the introduced alkyne functionality could serve as a versatile handle to expand the diversity and synthetic application of this remote C-H functionalization.
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Affiliation(s)
- Xiaojian Chen
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China
| | - Yang Gao
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China
| | - Jiye Luo
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China
| | - Yuan Liu
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China
| | - Qian Chen
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China
| | - Yanping Huo
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China
| | - Xianwei Li
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China
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2
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Feng Y, Wang J, Yang J, Chen F, Zhang Z, Ke C, Lin J, Lin H. Native Amino Group Directed Site-Selective ε-C(sp 2)-H Iodination of Primary Amines. Org Lett 2023; 25:1348-1352. [PMID: 36825798 DOI: 10.1021/acs.orglett.2c04288] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023]
Abstract
Selective remote C-H activating amines using unmodified NH2 as a native directing group demonstrate compelling synthetic utilities. The 3-arylpropan-1-amine moiety is present in many drugs and candidates in clinical trials. Selective iodination of 3-arylpropan-1-amines on remote aryl rings gives valuable intermediates for modifying bioactive molecules and synthesizing quinolones. Here we report the first palladium-catalyzed selective ε-C(sp2)-H iodination of free 3-arylpropan-1-amines via a seven-membered palladacycle.
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Affiliation(s)
- Yueyao Feng
- Biomedical Research Center of South China, College of Life Sciences, Fujian Normal University, Fuzhou 350117, China
| | - Jie Wang
- Biomedical Research Center of South China, College of Life Sciences, Fujian Normal University, Fuzhou 350117, China
| | - Jie Yang
- Biomedical Research Center of South China, College of Life Sciences, Fujian Normal University, Fuzhou 350117, China
| | - Fengyuan Chen
- School of Pharmacy, Fujian Medical University, Fuzhou 350122, China
| | - Zemin Zhang
- School of Pharmacy, Fujian Medical University, Fuzhou 350122, China
| | - Chongrong Ke
- National and Local United Engineering Research Center of Industrial Microbiology and Fermentation Technology, College of Life Sciences, Fujian Normal University, Fuzhou 350117, China
| | - Jin Lin
- School of Pharmacy, Fujian Medical University, Fuzhou 350122, China
| | - Hua Lin
- Biomedical Research Center of South China, College of Life Sciences, Fujian Normal University, Fuzhou 350117, China
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3
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Suwasia S, Venkataramani S, Babu SA. Pd(II)-catalyzed coupling of C-H bonds of carboxamides with iodoazobenzenes toward modified azobenzenes. Org Biomol Chem 2023; 21:1793-1813. [PMID: 36744837 DOI: 10.1039/d2ob02322a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
In this paper, we report a synthetic protocol for the construction of biaryl motif-based or π-extended azobenzene and alkylated azobenzene derivatives via the Pd(II)-catalyzed bidentate directing group (DG)-aided C-H activation and functionalization strategy. In the past, the synthesis of biaryl motif-based azobenzenes was accomplished through the traditional cross-coupling reaction involving organometallic reagents and aryl halides or equivalent coupling partners. We have shown the direct coupling of C-H bonds of aromatic/aliphatic carboxamides (possessing a DG) with iodoazobenzenes as the coupling partners through the Pd(II)-catalyzed bidentate DG-aided, site-selective C-H functionalization method. Azobenzene-containing compounds are a versatile class of photo-responsive molecules that have found applications across branches of chemical, biological and materials sciences and are prevalent in medicinally relevant molecules. Accordingly, the synthesis of new and functionalized azobenzene-based scaffolds has been an attractive topic of research. Although the classical methods are efficient, they need pre-functionalized starting materials. This protocol involving the Pd(II)-catalyzed, directing group-aided site-selective C-H arylation of aromatic and aliphatic carboxamides using iodoazobenzene as the coupling partner affording azobenzene-based carboxamides is an additional route and also a contribution towards enriching the library of modified azobenzenes. We have also shown the photoswitching properties of representative compounds synthesized via the Pd(II)-catalyzed directing group-aided site-selective C-H functionalization method.
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Affiliation(s)
- Sonam Suwasia
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O., Punjab, 140306, India.
| | - Sugumar Venkataramani
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O., Punjab, 140306, India.
| | - Srinivasarao Arulananda Babu
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O., Punjab, 140306, India.
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4
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Aggarwal Y, Padmavathi R, Singh P, Arulananda Babu S. Pd(II)‐Catalyzed, γ‐C(sp2)‐H Alkoxylation in α‐Methylbenzylamine, Phenylglycinol, 3‐Amino‐3‐Phenylpropanol Toward Enantiopure Aryl Alkyl Ethers. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yashika Aggarwal
- Indian Institute of Science Education and Research Mohali Chemical Sciences INDIA
| | | | - Prabhakar Singh
- Indian Institute of Science Education and Research Mohali Chemical Sciences INDIA
| | - Srinivasarao Arulananda Babu
- Indian Institute of Science Education and Research Mohali Department of Chemical Sciences Knowledge City, Sector 81, SAS Nagar,Mohali, Manauli P.O., 140306 Mohali INDIA
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5
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Tomar R, Kumar A, Dalal A, Bhattacharya D, Singh P, Arulananda Babu S. Expanding the utility of inexpensive pyridine‐N‐oxide directing group for the site‐selective sp2/sp3γ‐C‐H and sp2δ‐C‐H functionalization of carboxamides. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Radha Tomar
- Indian Institute of Science Education and Research Mohali Chemical Sciences INDIA
| | - Amit Kumar
- Indian Institute of Science Education and Research Mohali Chemical Sciences INDIA
| | - Arup Dalal
- Indian Institute of Science Education and Research Mohali Chemical Sciences INDIA
| | | | - Prabhakar Singh
- Indian Institute of Science Education and Research Mohali Chemical Sciences INDIA
| | - Srinivasarao Arulananda Babu
- Indian Institute of Science Education and Research Mohali Department of Chemical Sciences Knowledge City, Sector 81, SAS Nagar,Mohali, Manauli P.O., 140306 Mohali INDIA
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6
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Kaur R, Banga S, Babu SA. Construction of carbazole-based unnatural amino acid scaffolds via Pd(II)-catalyzed C(sp 3)-H functionalization. Org Biomol Chem 2022; 20:4391-4414. [PMID: 35583129 DOI: 10.1039/d2ob00658h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
We report the synthesis of carbazole-based unnatural α-amino acid and non-α-amino acid derivatives via a Pd(II)-catalyzed bidentate directing group 8-aminoquinoline-aided β-C(sp3)-H activation/functionalization method. Various N-phthaloyl, DL-, L- and D-carboxamides derived from their corresponding α-amino acids, non-α-amino acids and aliphatic carboxamides were subjected to the β-C(sp3)-H functionalization with 3-iodocarbazoles in the presence of a Pd(II) catalyst to afford the corresponding carbazole moiety installed unnatural amino acid derivatives and aliphatic carboxamides. Carbazole motif-containing racemic (DL) and enantiopure (L and D) amino acid derivatives including phenylalanine, norvaline, leucine, norleucine and 2-aminooctanoic acid with anti-stereochemistry and various non-α-amino acid derivatives including GABA have been synthesized. Removal of the 8-aminoquinoline directing group, deprotection of the phthalimide moiety and the preparation of carbazole amino acid derivatives containing free amino- and carboxylate groups are shown. The carbazole motif is prevalent in alkaloids and biologically active molecules and functional materials. Thus, this work on the synthesis of carbazole-based unnatural amino acid derivatives would enrich the libraries of unnatural amino acid derivatives and carbazoles.
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Affiliation(s)
- Ramandeep Kaur
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O., Punjab, 140306, India.
| | - Shefali Banga
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O., Punjab, 140306, India.
| | - Srinivasarao Arulananda Babu
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O., Punjab, 140306, India.
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7
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Babu SA, Aggarwal Y, Patel P, Tomar R. Diastereoselective palladium-catalyzed functionalization of prochiral C(sp 3)-H bonds of aliphatic and alicyclic compounds. Chem Commun (Camb) 2022; 58:2612-2633. [PMID: 35113087 DOI: 10.1039/d1cc05649b] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
We highlight the reported developments of the palladium-catalyzed C-H activation and functionalization of the inactive/unreactive prochiral C(sp3)-H bonds of aliphatic and alicyclic compounds. There exist numerous classical methods for generating contiguous stereogenic centers in a compound with a high degree of stereocontrol. Along similar lines, the Pd(II)-catalyzed, directing group-aided functionalization of inactive prochiral/diastereotopic C(sp3)-H bonds have been exploited to accomplish the stereoselective construction of stereo-arrays in organic compounds. We present a concise discussion on how specific strategies consisting of Pd(II)-catalyzed, directing group-aided C(sp3)-H functionalization have been utilized to generate two or more stereogenic centers in aliphatic and alicyclic compounds.
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Affiliation(s)
- Srinivasarao Arulananda Babu
- Department of Chemical Sciences, Indian Institute of Science Education and Research, Mohali, Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O., Punjab, 140306, India.
| | - Yashika Aggarwal
- Department of Chemical Sciences, Indian Institute of Science Education and Research, Mohali, Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O., Punjab, 140306, India.
| | - Pooja Patel
- Department of Chemical Sciences, Indian Institute of Science Education and Research, Mohali, Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O., Punjab, 140306, India.
| | - Radha Tomar
- Department of Chemical Sciences, Indian Institute of Science Education and Research, Mohali, Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O., Punjab, 140306, India.
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8
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Mingo MM, Rodríguez N, Arrayás RG, Carretero JC. Remote ortho-C-H functionalization via medium-sized cyclopalladation. Chem Commun (Camb) 2022; 58:2034-2040. [PMID: 35084412 DOI: 10.1039/d1cc05310h] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Compared to the tremendous progress made in directed ortho-C-H functionalization via five- or six-membered cyclopalladation, protocols with the ability to selectively activate more remote C-H bonds through the intermediacy of larger, less favorable, seven- or eight-membered metalacycles are particularly challenging and remain rare. However, such a strategy would provide new retrosynthetic opportunities for generating structural diversity and complexity. Intense recent research based on the use of either mono-anionic bidentate or monodentate directing groups is characterizing this approach as an increasingly viable tool for selective C-C and C-X bond-forming reactions. This short review provides an overview of these strategies with an emphasis on mechanistic details, synthetic applicability, limitations, and key challenges.
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Affiliation(s)
- Mario Martínez Mingo
- Department of Organic Chemistry, Universidad Autónoma de Madrid (UAM), Facultad de Ciencias, Cantoblanco, 28049, Madrid, Spain.
| | - Nuria Rodríguez
- Department of Organic Chemistry, Universidad Autónoma de Madrid (UAM), Facultad de Ciencias, Cantoblanco, 28049, Madrid, Spain. .,Institute for Advanced Research in Chemical Sciences (IAdChem), UAM, Madrid, Spain
| | - Ramón Gómez Arrayás
- Department of Organic Chemistry, Universidad Autónoma de Madrid (UAM), Facultad de Ciencias, Cantoblanco, 28049, Madrid, Spain. .,Institute for Advanced Research in Chemical Sciences (IAdChem), UAM, Madrid, Spain
| | - Juan C Carretero
- Department of Organic Chemistry, Universidad Autónoma de Madrid (UAM), Facultad de Ciencias, Cantoblanco, 28049, Madrid, Spain. .,Institute for Advanced Research in Chemical Sciences (IAdChem), UAM, Madrid, Spain
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9
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Pan G, Lu L, Zhuang W, Huang Q. Synthesis of Indole-Fused Six-, Seven-, or Eight-Membered N,O-Heterocycles via Rhodium-Catalyzed NH-Indole-Directed C-H Acetoxylation/Hydrolysis/Annulation. J Org Chem 2021; 86:16753-16763. [PMID: 34756052 DOI: 10.1021/acs.joc.1c01982] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
We report herein the facile synthesis of indole-fused six-, seven-, or eight-membered N,O-heterocycles through rhodium-catalyzed C-H acetoxylation/hydrolysis/annulation. The notable features of this method include C-H acetoxylation using NH-indole as the intrinsic directing group, high functional group compatibility, and construction of indole-fused medium-sized rings.
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Affiliation(s)
- Guoshuai Pan
- Fujian Key Laboratory of Polymer Materials, College of Chemistry & Materials Science, Fujian Normal University, Fuzhou, Fujian 350007, P. R. China
| | - Leipeng Lu
- Fujian Key Laboratory of Polymer Materials, College of Chemistry & Materials Science, Fujian Normal University, Fuzhou, Fujian 350007, P. R. China
| | - Weihui Zhuang
- Fujian Key Laboratory of Polymer Materials, College of Chemistry & Materials Science, Fujian Normal University, Fuzhou, Fujian 350007, P. R. China
| | - Qiufeng Huang
- Fujian Key Laboratory of Polymer Materials, College of Chemistry & Materials Science, Fujian Normal University, Fuzhou, Fujian 350007, P. R. China.,Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, Fuzhou, Fujian 35007, P.R. China
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10
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Banga S, Kaur R, Babu SA. Construction of Racemic and Enantiopure Biaryl Unnatural Amino Acid Derivatives via Pd(II)‐Catalyzed Arylation of Unactivated Csp
3
−H Bonds. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100683] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Shefali Banga
- Department of Chemical Sciences Indian Institute of Science Education and Research Mohali Knowledge City Sector 81 SAS Nagar, Mohali, Manauli P.O. Punjab 140306 India
| | - Ramandeep Kaur
- Department of Chemical Sciences Indian Institute of Science Education and Research Mohali Knowledge City Sector 81 SAS Nagar, Mohali, Manauli P.O. Punjab 140306 India
| | - Srinivasarao Arulananda Babu
- Department of Chemical Sciences Indian Institute of Science Education and Research Mohali Knowledge City Sector 81 SAS Nagar, Mohali, Manauli P.O. Punjab 140306 India
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11
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Singh P, Arulananda Babu S, Aggarwal Y, Patel P. Pd(II)‐catalyzed, Picolinamide‐aided sp
2
γ−C−H Functionalization of Phenylglycinol: Access to γ−C−H Arylated, Alkylated and Halogenated Phenylglycinol Scaffolds. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.202000560] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Prabhakar Singh
- Department of Chemical Sciences Indian Institute of Science Education and Research (IISER) Mohali Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O. Punjab 140306 India
| | - Srinivasarao Arulananda Babu
- Department of Chemical Sciences Indian Institute of Science Education and Research (IISER) Mohali Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O. Punjab 140306 India
| | - Yashika Aggarwal
- Department of Chemical Sciences Indian Institute of Science Education and Research (IISER) Mohali Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O. Punjab 140306 India
| | - Pooja Patel
- Department of Chemical Sciences Indian Institute of Science Education and Research (IISER) Mohali Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O. Punjab 140306 India
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12
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Bisht N, Babu SA, Tomar R. Pd(II)‐Catalyzed, Bidentate Directing Group‐aided Alkylation of sp
3
γ‐C−H Bonds: Access to 3‐Alkylated Thiophene/Furan and Benzothiophene/Benzofuran Motifs. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.202000284] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Narendra Bisht
- Department of Chemical SciencesIndian Institute of Science Education and Research (IISER) Mohali Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O. Punjab 140306 India
| | - Srinivasarao Arulananda Babu
- Department of Chemical SciencesIndian Institute of Science Education and Research (IISER) Mohali Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O. Punjab 140306 India
| | - Radha Tomar
- Department of Chemical SciencesIndian Institute of Science Education and Research (IISER) Mohali Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O. Punjab 140306 India
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13
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Conformationally Driven Ru(II)-Catalyzed Multiple ortho-C–H Bond Activation in Diphenylpyrazine Derivatives in Water: Where Is the Limit? Catalysts 2020. [DOI: 10.3390/catal10040421] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Ru(II)/carboxylate/PPh3 catalyst system enabled the preparation of highly conjugated pyrazine derivatives in water under microwave irradiation. Both nitrogen atoms efficiently dictated cleavage of the ortho-C–H bonds in both benzene rings of 2,3-diphenylpyrazine substrates through chelation assistance. In conformationally more flexible diphenyldihydropyrazine 1, the arylation of four ortho-C–H bonds was possible, while in the aromatic analog 2, the triarylation was the limit.
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14
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Yong JY, Vu HM, Li XQ, Gong AJ. Palladium (0)-catalyzed C(sp)-H oxygenation with carboxylic acids. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.130969] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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15
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Rej S, Ano Y, Chatani N. Bidentate Directing Groups: An Efficient Tool in C-H Bond Functionalization Chemistry for the Expedient Construction of C-C Bonds. Chem Rev 2020; 120:1788-1887. [PMID: 31904219 DOI: 10.1021/acs.chemrev.9b00495] [Citation(s) in RCA: 636] [Impact Index Per Article: 127.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
During the past decades, synthetic organic chemistry discovered that directing group assisted C-H activation is a key tool for the expedient and siteselective construction of C-C bonds. Among the various directing group strategies, bidentate directing groups are now recognized as one of the most efficient devices for the selective functionalization of certain positions due to fact that its metal center permits fine, tunable, and reversible coordination. The family of bidentate directing groups permit various types of assistance to be achieved, such as N,N-dentate, N,O-dentate, and N,S-dentate auxiliaries, which are categorized based on the coordination site. In this review, we broadly discuss various C-H bond functionalization reactions for the formation of C-C bonds with the aid of bidentate directing groups.
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Affiliation(s)
- Supriya Rej
- Department of Applied Chemistry, Faculty of Engineering , Osaka University , Suita , Osaka 560-0871 , Japan
| | - Yusuke Ano
- Department of Applied Chemistry, Faculty of Engineering , Osaka University , Suita , Osaka 560-0871 , Japan
| | - Naoto Chatani
- Department of Applied Chemistry, Faculty of Engineering , Osaka University , Suita , Osaka 560-0871 , Japan
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16
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Gupta M, Kumar S, Kumar P, Kumar Singh A, Bahadur V, K. Singh B. N‐Directed Pd‐Catalyzed Direct
ortho
‐Acetoxylation and
ortho
‐
tert
‐Butoxylation of 2‐Phenyl‐4
H
‐benzo[
d
][1,3]oxazin‐4‐ones via C‐H Activation. ChemistrySelect 2019. [DOI: 10.1002/slct.201902755] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Mohit Gupta
- Department of chemistryUniversity of DelhiBio-organic Research LaboratoryDepartment of Chemistry Delhi- 110007 India
- Department of ChemistryL.N.M.S College, Birpur Bihar- 854340 India
| | - Sandeep Kumar
- Department of chemistryUniversity of DelhiBio-organic Research LaboratoryDepartment of Chemistry Delhi- 110007 India
| | - Prashant Kumar
- Department of chemistryUniversity of DelhiBio-organic Research LaboratoryDepartment of Chemistry Delhi- 110007 India
- Department of ChemistrySRM University, Delhi-NCR Sonepat Haryana- 131029
| | - Amit Kumar Singh
- Department of chemistryUniversity of DelhiBio-organic Research LaboratoryDepartment of Chemistry Delhi- 110007 India
| | - Vijay Bahadur
- Department of chemistryUniversity of DelhiBio-organic Research LaboratoryDepartment of Chemistry Delhi- 110007 India
- Department of ChemistrySRM University, Delhi-NCR Sonepat Haryana- 131029
| | - Brajendra K. Singh
- Department of chemistryUniversity of DelhiBio-organic Research LaboratoryDepartment of Chemistry Delhi- 110007 India
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17
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Wei WM, Dong FQ, Zheng RH, Yang X, Fang WJ, Qin YD. Theoretical study of the mechanism of Pd(II)-catalyzed nucleophilic addition initiated by aminopalladation. COMPUT THEOR CHEM 2019. [DOI: 10.1016/j.comptc.2019.112638] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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18
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Biswas S, Bheemireddy NR, Bal M, Van Steijvoort BF, Maes BUW. Directed C–H Functionalization Reactions with a Picolinamide Directing Group: Ni-Catalyzed Cleavage and Byproduct Recycling. J Org Chem 2019; 84:13112-13123. [DOI: 10.1021/acs.joc.9b02299] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Sovan Biswas
- Organic Synthesis, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, B-2020, Antwerp, Belgium
| | | | - Mathias Bal
- Organic Synthesis, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, B-2020, Antwerp, Belgium
| | - Ben F. Van Steijvoort
- Organic Synthesis, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, B-2020, Antwerp, Belgium
| | - Bert U. W. Maes
- Organic Synthesis, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, B-2020, Antwerp, Belgium
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19
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Padmavathi R, Babu SA. Palladium‐Catalyzed 8‐Aminoquinoline‐Aided sp
2
δ
‐C−H Intramolecular Amidation/Annulation: A Route to Tricyclic Quinolones. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201900109] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Rayavarapu Padmavathi
- Department of Chemical SciencesIndian Institute of Science Education and Research (IISER) Mohali Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O. Punjab 140306 India
| | - Srinivasarao Arulananda Babu
- Department of Chemical SciencesIndian Institute of Science Education and Research (IISER) Mohali Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O. Punjab 140306 India
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20
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Sambiagio C, Schönbauer D, Blieck R, Dao-Huy T, Pototschnig G, Schaaf P, Wiesinger T, Zia MF, Wencel-Delord J, Besset T, Maes BUW, Schnürch M. A comprehensive overview of directing groups applied in metal-catalysed C-H functionalisation chemistry. Chem Soc Rev 2018; 47:6603-6743. [PMID: 30033454 PMCID: PMC6113863 DOI: 10.1039/c8cs00201k] [Citation(s) in RCA: 1151] [Impact Index Per Article: 164.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Indexed: 12/20/2022]
Abstract
The present review is devoted to summarizing the recent advances (2015-2017) in the field of metal-catalysed group-directed C-H functionalisation. In order to clearly showcase the molecular diversity that can now be accessed by means of directed C-H functionalisation, the whole is organized following the directing groups installed on a substrate. Its aim is to be a comprehensive reference work, where a specific directing group can be easily found, together with the transformations which have been carried out with it. Hence, the primary format of this review is schemes accompanied with a concise explanatory text, in which the directing groups are ordered in sections according to their chemical structure. The schemes feature typical substrates used, the products obtained as well as the required reaction conditions. Importantly, each example is commented on with respect to the most important positive features and drawbacks, on aspects such as selectivity, substrate scope, reaction conditions, directing group removal, and greenness. The targeted readership are both experts in the field of C-H functionalisation chemistry (to provide a comprehensive overview of the progress made in the last years) and, even more so, all organic chemists who want to introduce the C-H functionalisation way of thinking for a design of straightforward, efficient and step-economic synthetic routes towards molecules of interest to them. Accordingly, this review should be of particular interest also for scientists from industrial R&D sector. Hence, the overall goal of this review is to promote the application of C-H functionalisation reactions outside the research groups dedicated to method development and establishing it as a valuable reaction archetype in contemporary R&D, comparable to the role cross-coupling reactions play to date.
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Affiliation(s)
- Carlo Sambiagio
- Organic Synthesis (ORSY)
, Department of Chemistry
, University of Antwerp
,
Groenenborgerlaan 171
, 2020 Antwerp
, Belgium
| | - David Schönbauer
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
| | - Remi Blieck
- Normandie Univ
, INSA Rouen
, UNIROUEN
, CNRS
, COBRA (UMR 6014)
,
76000 Rouen
, France
| | - Toan Dao-Huy
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
| | - Gerit Pototschnig
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
| | - Patricia Schaaf
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
| | - Thomas Wiesinger
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
| | - Muhammad Farooq Zia
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
| | - Joanna Wencel-Delord
- Laboratoire de Chimie Moléculaire (UMR CNRS 7509)
, Université de Strasbourg
,
ECPM 25 Rue Becquerel
, 67087 Strasbourg
, France
| | - Tatiana Besset
- Normandie Univ
, INSA Rouen
, UNIROUEN
, CNRS
, COBRA (UMR 6014)
,
76000 Rouen
, France
| | - Bert U. W. Maes
- Organic Synthesis (ORSY)
, Department of Chemistry
, University of Antwerp
,
Groenenborgerlaan 171
, 2020 Antwerp
, Belgium
| | - Michael Schnürch
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
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21
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Sarkar T, Pradhan S, Punniyamurthy T. Ruthenium(II)-Catalyzed Positional Selective C-H Oxygenation of N-Aryl-2-pyrimidines. J Org Chem 2018; 83:6444-6453. [PMID: 29761702 DOI: 10.1021/acs.joc.8b00714] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Efficient Ru-catalyzed regioselective C-H oxygenation of N-aryl-2-pyrimidines is described with aryl carboxylic acids in the presence of AgSbF6 as an additive and Ag2CO3 as an oxidant. The reaction can be extended to alkyl, heteroaryl, and α,β-unsaturated carboxylic acids. The regioselectivity, broad substrate scope, and functional group tolerance are the significant practical advantages.
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Affiliation(s)
- Tanumay Sarkar
- Department of Chemistry , Indian Institute of Technology Guwahati , Guwahati 781039 , India
| | - Sourav Pradhan
- Department of Chemistry , Indian Institute of Technology Guwahati , Guwahati 781039 , India
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22
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Zheng Y, Song W, Zhu Y, Wei B, Xuan L. Pd-Catalyzed Acetoxylation of γ-C(sp3)–H Bonds of Amines Directed by a Removable Bts-Protecting Group. J Org Chem 2018; 83:2448-2454. [DOI: 10.1021/acs.joc.7b02995] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Yong Zheng
- State Key Laboratory of Drug Research,
Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 501 Haike Road, Shanghai 201203, China
| | - Weibin Song
- State Key Laboratory of Drug Research,
Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 501 Haike Road, Shanghai 201203, China
| | - Yefu Zhu
- State Key Laboratory of Drug Research,
Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 501 Haike Road, Shanghai 201203, China
| | - Bole Wei
- State Key Laboratory of Drug Research,
Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 501 Haike Road, Shanghai 201203, China
| | - Lijiang Xuan
- State Key Laboratory of Drug Research,
Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 501 Haike Road, Shanghai 201203, China
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23
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Chen C, Pan Y, Zhao H, Xu X, Xu J, Zhang Z, Xi S, Xu L, Li H. A versatile rhodium(iii) catalyst for direct acyloxylation of aryl and alkenyl C–H bonds with carboxylic acids. Org Chem Front 2018. [DOI: 10.1039/c7qo00844a] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Rh(iii)-Catalyzed highly regioselective direct acyloxylation of aryl and alkenyl sp2 C–H bonds with various carboxylic acids has been developed.
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Affiliation(s)
- Changjun Chen
- Department of Chemistry
- Renmin University of China
- Beijing
- P. R. China
| | - Yixiao Pan
- Department of Chemistry
- Renmin University of China
- Beijing
- P. R. China
| | - Haoqiang Zhao
- Department of Chemistry
- Renmin University of China
- Beijing
- P. R. China
| | - Xin Xu
- Department of Chemistry
- Renmin University of China
- Beijing
- P. R. China
| | - Jianbin Xu
- Department of Chemistry
- Renmin University of China
- Beijing
- P. R. China
| | - Zongyao Zhang
- Department of Chemistry
- Renmin University of China
- Beijing
- P. R. China
| | - Siqi Xi
- Department of Chemistry
- Renmin University of China
- Beijing
- P. R. China
| | - Lijin Xu
- Department of Chemistry
- Renmin University of China
- Beijing
- P. R. China
| | - Huanrong Li
- Department of Chemistry
- Renmin University of China
- Beijing
- P. R. China
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24
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Parella R, Babu SA. Pd(II)-Catalyzed Arylation and Intramolecular Amidation of γ-C(sp3)–H Bonds: En Route to Arylheteroarylmethane and Pyrrolidone Ring Annulated Furan/Thiophene Scaffolds. J Org Chem 2017; 82:7123-7150. [DOI: 10.1021/acs.joc.7b00582] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Ramarao Parella
- Department Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge
City, Sector 81, SAS Nagar, Manauli P.O., Mohali, Punjab 140306, India
| | - Srinivasarao Arulananda Babu
- Department Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Knowledge
City, Sector 81, SAS Nagar, Manauli P.O., Mohali, Punjab 140306, India
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25
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Parella R, Babu SA. Pd(II)-Catalyzed, Picolinamide-Assisted, Z-Selective γ-Arylation of Allylamines To Construct Z-Cinnamylamines. J Org Chem 2017; 82:6550-6567. [DOI: 10.1021/acs.joc.7b00535] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ramarao Parella
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Manauli P.O., Sector 81, SAS Nagar, Knowledge City, Mohali, Punjab 140306, India
| | - Srinivasarao Arulananda Babu
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Mohali, Manauli P.O., Sector 81, SAS Nagar, Knowledge City, Mohali, Punjab 140306, India
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26
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Sankar R, Babu SA. Construction of Tertiary Amides: NiII
-Catalyzed N
-Arylation of Secondary Acyclic Amides (2-Picolinamides) with Aryl Halides. ASIAN J ORG CHEM 2017. [DOI: 10.1002/ajoc.201600596] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Rathinam Sankar
- Department of Chemical Sciences; Indian Institute of Science Education and Research (IISER) Mohali; Manauli P.O., Sector 81, SAS Nagar, Mohali, Knowledge City Punjab 140306 India
| | - Srinivasarao Arulananda Babu
- Department of Chemical Sciences; Indian Institute of Science Education and Research (IISER) Mohali; Manauli P.O., Sector 81, SAS Nagar, Mohali, Knowledge City Punjab 140306 India
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