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1
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Modak S, Borah S, Prakasham A, Shaikh MM, Butcher RJ, Gangwar M, Ghosh P. A comparison between (a/n-NHC)PdX2(pyridine) and (a/n-NHC)2PdX2 (X = I, Cl) type complexes of abnormal fused-bicyclic imidazo[1,2-a]pyridine based N-heterocyclic carbene (a-NHC) and of normal imidazole based N-heterocyclic carbene (n-NHC) ligands in the Suzuki-Miyaura coupling reactions. Inorganica Chim Acta 2019. [DOI: 10.1016/j.ica.2019.119090] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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2
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Li JF, Zhao RF, Zhou FQ, She MY, Zhang J, Yin B, Zhang SY, Li JL. Exploring the necessity of an acidic additive for Pd(ii)-catalyzed exclusive C4-fluoroalkylation of 3-acetylindole: a detailed DFT study on the mechanism and regioselectivity. Org Chem Front 2019. [DOI: 10.1039/c8qo01338a] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The regioselectivity of Pd(ii)-catalyzed exclusive C4-fluoroalkylation of 3-acetylindole arises from the transfer of electron density from the substrate to the catalyst.
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Affiliation(s)
- Jin-Feng Li
- MOE Key Laboratory of Synthetic and Natural Functional Molecule Chemistry
- College of Chemistry and Materials Science
- Northwest University
- Xi'an 710069
- China
| | - Ru-Fang Zhao
- MOE Key Laboratory of Synthetic and Natural Functional Molecule Chemistry
- College of Chemistry and Materials Science
- Northwest University
- Xi'an 710069
- China
| | - Fu-Qiang Zhou
- MOE Key Laboratory of Synthetic and Natural Functional Molecule Chemistry
- College of Chemistry and Materials Science
- Northwest University
- Xi'an 710069
- China
| | - Meng-Yao She
- MOE Key Laboratory of Synthetic and Natural Functional Molecule Chemistry
- College of Chemistry and Materials Science
- Northwest University
- Xi'an 710069
- China
| | - Jun Zhang
- MOE Key Laboratory of Synthetic and Natural Functional Molecule Chemistry
- College of Chemistry and Materials Science
- Northwest University
- Xi'an 710069
- China
| | - Bing Yin
- MOE Key Laboratory of Synthetic and Natural Functional Molecule Chemistry
- College of Chemistry and Materials Science
- Northwest University
- Xi'an 710069
- China
| | - Sheng-Yong Zhang
- MOE Key Laboratory of Synthetic and Natural Functional Molecule Chemistry
- College of Chemistry and Materials Science
- Northwest University
- Xi'an 710069
- China
| | - Jian-Li Li
- MOE Key Laboratory of Synthetic and Natural Functional Molecule Chemistry
- College of Chemistry and Materials Science
- Northwest University
- Xi'an 710069
- China
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3
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Kumar A, Prakasham AP, Gangwar MK, Vishnoi P, Butcher RJ, Ghosh P. An Efficient Synthetic Approach to
trans
‐(NHC)
2
Pd(R)Br Type Complexes and Their Use in Suzuki–Miyaura Cross‐Coupling Reactions. Eur J Inorg Chem 2017. [DOI: 10.1002/ejic.201700017] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Anuj Kumar
- Department of Chemistry Indian Institute of Technology Bombay Powai 400076 Mumbai India
| | - A. P. Prakasham
- Department of Chemistry Indian Institute of Technology Bombay Powai 400076 Mumbai India
| | - Manoj Kumar Gangwar
- Department of Chemistry Indian Institute of Technology Bombay Powai 400076 Mumbai India
| | - Pratap Vishnoi
- Department of Chemistry Indian Institute of Technology Bombay Powai 400076 Mumbai India
| | | | - Prasenjit Ghosh
- Department of Chemistry Indian Institute of Technology Bombay Powai 400076 Mumbai India
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4
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Liu L, Liu Y, Ling B, Bi S. Mechanistic investigation into Et3N C H activation and chemoselectivity by Pd-Catalyzed intramolecular heck reaction of N-Vinylacetamides. J Organomet Chem 2017. [DOI: 10.1016/j.jorganchem.2016.11.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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5
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Modak S, Gangwar MK, Nageswar Rao M, Madasu M, Kalita AC, Dorcet V, Shejale MA, Butcher RJ, Ghosh P. Fluoride-free Hiyama coupling by palladium abnormal N-heterocyclic carbene complexes. Dalton Trans 2015; 44:17617-28. [DOI: 10.1039/c5dt02317c] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of Pd complexes of the 1,2,3-triazole based abnormal NHC ligands of the type (a-NHC)PdI2(L) [L = NC5H5 and PPh3] successfully catalyzed the fluoride-free Hiyama coupling in air.
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Affiliation(s)
- Sudipta Modak
- Department of Chemistry
- Indian Institute of Technology Bombay
- Powai
- Mumbai 400 076
- India
| | - Manoj Kumar Gangwar
- Department of Chemistry
- Indian Institute of Technology Bombay
- Powai
- Mumbai 400 076
- India
| | - Mitta Nageswar Rao
- Department of Chemistry
- Indian Institute of Technology Bombay
- Powai
- Mumbai 400 076
- India
| | - Mahesh Madasu
- Department of Chemistry
- Indian Institute of Technology Bombay
- Powai
- Mumbai 400 076
- India
| | - Alok Ch. Kalita
- Department of Chemistry
- Indian Institute of Technology Bombay
- Powai
- Mumbai 400 076
- India
| | - Vincent Dorcet
- Université de Rennes 1
- Institut des Sciences chimiques de Rennes
- Campus de Beaulieu
- 35042 Rennes
- France
| | - Mayuri Arun Shejale
- Department of Chemistry
- Indian Institute of Technology Bombay
- Powai
- Mumbai 400 076
- India
| | - Ray J. Butcher
- Department of Chemistry Howard University
- Washington DC 20059
- USA
| | - Prasenjit Ghosh
- Department of Chemistry
- Indian Institute of Technology Bombay
- Powai
- Mumbai 400 076
- India
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6
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Wu W, Bi S, Liu Y, Tang Y, Li B. Insight into Pd-catalyzed branching cyclizations of enediyne-imides towards furo[2,3-b]pyridines: a DFT study. Org Biomol Chem 2015; 13:11539-49. [DOI: 10.1039/c5ob01991e] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The DFT mechanisms for Pd-catalyzed branching cyclizations of cross-conjugated enediyne-imides towards furo[2,3-b]pyridines have been investigated to discover the crucial factors of controlling the chemo- and solvent-directed product selectivity.
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Affiliation(s)
- Weirong Wu
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
- China
- Key Laboratory of Inorganic Chemistry in Universities of Shandong
| | - Siwei Bi
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
- China
| | - Yuxia Liu
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
- China
| | - Yanan Tang
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
- China
| | - Bingwen Li
- School of Chemistry and Chemical Engineering
- Qufu Normal University
- Qufu 273165
- China
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7
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John A, Modak S, Madasu M, Katari M, Ghosh P. Palladium complexes of the N-fused heterocycle derived abnormal N-heterocyclic carbenes for the much-preferred Cu-free and the amine-free Sonogashira coupling in air. Polyhedron 2013. [DOI: 10.1016/j.poly.2013.01.062] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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8
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Kumar A, Katari M, Ghosh P. Understanding the lability of a trans bound pyridine ligand in a saturated six-membered N-heterocyclic carbene based (NHC)PdCl2(pyridine) type complex: A case study. Polyhedron 2013. [DOI: 10.1016/j.poly.2012.08.038] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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9
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Ren Y, Jia J, Liu W, Wu HS. Theoretical Study on the Mechanism of Palladium-Catalyzed Dearomatization Reaction of Chloromethylnaphthalene. Organometallics 2012. [DOI: 10.1021/om300797n] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Ying Ren
- School of Chemistry and Materials
Science, Shanxi Normal University, Linfen,
041004, People’
Republic of China
| | - Jianfeng Jia
- School of Chemistry and Materials
Science, Shanxi Normal University, Linfen,
041004, People’
Republic of China
| | - Wenxian Liu
- School of Chemistry and Materials
Science, Shanxi Normal University, Linfen,
041004, People’
Republic of China
| | - Hai-Shun Wu
- School of Chemistry and Materials
Science, Shanxi Normal University, Linfen,
041004, People’
Republic of China
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10
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Sugimoto H, Kitayama K, Mori S, Itoh S. An Osmium(III)/Osmium(V) Redox Couple Generating OsV(O)(OH) Center for cis-1,2-Dihydroxylation of Alkenes with H2O2: Os Complex with a Nitrogen-Based Tetradentate Ligand. J Am Chem Soc 2012; 134:19270-80. [DOI: 10.1021/ja309566c] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Hideki Sugimoto
- Department of Material and Life
Science, Division of Advanced Science and Biotechnology, Graduate
School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Kazuhiro Kitayama
- Department of Material and Life
Science, Division of Advanced Science and Biotechnology, Graduate
School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Seiji Mori
- Department of Chemistry, Faculty
of Science, Ibaraki University, 2-1-1 Bunkyo,
Mito, Ibaraki, 310-8512, Japan
| | - Shinobu Itoh
- Department of Material and Life
Science, Division of Advanced Science and Biotechnology, Graduate
School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
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11
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Lan Y, Liu P, Newman SG, Lautens M, Houk KN. Theoretical study of Pd(0)-catalyzed carbohalogenation of alkenes: mechanism and origins of reactivities and selectivities in alkyl halide reductive elimination from Pd(ii) species. Chem Sci 2012. [DOI: 10.1039/c2sc20103h] [Citation(s) in RCA: 84] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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