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Pérez Sevillano R, Ferreira F, Jackowski O. Transition-Metal-Free Synthesis of Enantioenriched Tertiary and Quaternary α-Chiral Allylsilanes. Chemistry 2023; 29:e202302227. [PMID: 37489288 DOI: 10.1002/chem.202302227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Revised: 07/19/2023] [Accepted: 07/20/2023] [Indexed: 07/26/2023]
Abstract
Access to enantioenriched tertiary and quaternary α-chiral allysilanes without any transition-metal catalyst is reported. This was achieved by enantioselective allylic displacement of γ-silylated allylic bromides through Lewis base activation of Grignard reagents by a bidentate chiral NHC ligand. The process afforded both high γ-regio- and enantioselectivity and is compatible with a wide range of silyl groups on the substrates.
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Affiliation(s)
- Rubén Pérez Sevillano
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire IPCM, 4 place Jussieu, F-75005, Paris, France
| | - Franck Ferreira
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire IPCM, 4 place Jussieu, F-75005, Paris, France
| | - Olivier Jackowski
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire IPCM, 4 place Jussieu, F-75005, Paris, France
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2
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Behera RR, Saha R, Kumar AA, Sethi S, Jana NC, Bagh B. Hydrosilylation of Terminal Alkynes Catalyzed by an Air-Stable Manganese-NHC Complex. J Org Chem 2023. [PMID: 37317486 DOI: 10.1021/acs.joc.3c00127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
In recent years, catalysis with base metal manganese has received a significant amount of interest. Catalysis with manganese complexes having N-heterocyclic carbenes (NHCs) is relatively underdeveloped in comparison to the extensively investigated manganese catalysts possessing pincer ligands (particularly phosphine-based ligands). Herein, we describe the synthesis of two imidazolium salts decorated with picolyl arms (L1 and L2) as NHC precursors. Facile coordination of L1 and L2 with MnBr(CO)5 in the presence of a base resulted in the formation manganese(I)-NHC complexes (1 and 2) as an air-stable solid in good isolated yield. Single-crystal X-ray analysis revealed the structure of the cationic complexes [Mn(CO)3(NHC)][PF6] with tridentate N,C,N binding of the NHC ligand in a facile fashion. Along with a few known manganese(I) complexes, these Mn(I)-NHC complexes 1 and 2 were tested for the hydrosilylation of terminal alkynes. Complex 1 was proved to be an effective catalyst for the hydrosilylation of terminal alkynes with good selectivity toward the less thermodynamically stable β-(Z)-vinylsilanes. This method provided good regioselectivity (anti-Markovnikov addition) and stereoselectivity (β-(Z)-product). Experimental evidence suggested that the present hydrosilylation pathway involved an organometallic mechanism with manganese(I)-silyl species as a possible reactive intermediate.
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Affiliation(s)
- Rakesh R Behera
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), An OCC of Homi Bhabha National Institute, PO Bhimpur-Padanpur, Via Jatni, District Khurda, Bhubaneswar, Odisha 752050, India
| | - Ratnakar Saha
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), An OCC of Homi Bhabha National Institute, PO Bhimpur-Padanpur, Via Jatni, District Khurda, Bhubaneswar, Odisha 752050, India
| | - Alamsaty Ashis Kumar
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), An OCC of Homi Bhabha National Institute, PO Bhimpur-Padanpur, Via Jatni, District Khurda, Bhubaneswar, Odisha 752050, India
| | - Subrat Sethi
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), An OCC of Homi Bhabha National Institute, PO Bhimpur-Padanpur, Via Jatni, District Khurda, Bhubaneswar, Odisha 752050, India
| | - Narayan Ch Jana
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), An OCC of Homi Bhabha National Institute, PO Bhimpur-Padanpur, Via Jatni, District Khurda, Bhubaneswar, Odisha 752050, India
| | - Bidraha Bagh
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), An OCC of Homi Bhabha National Institute, PO Bhimpur-Padanpur, Via Jatni, District Khurda, Bhubaneswar, Odisha 752050, India
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3
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Zhu SF, He P, Hu MY, Zhang XY. Transition-Metal-Catalyzed Stereo- and Regioselective Hydrosilylation of Unsymmetrical Alkynes. SYNTHESIS-STUTTGART 2021. [DOI: 10.1055/a-1605-9572] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
AbstractAlkyne hydrosilylation is one of the most efficient methods for the synthesis of alkenyl silicon derivatives and has been a hot topic of research for decades. This short review summarizes the progress in transition-metal-catalyzed stereo- and regioselective hydrosilylation of unsymmetrical alkynes. Topics are discussed based on different types of alkynes and the selectivities.1 Introduction2 Terminal Alkyne Hydrosilylation2.1 β-E Selectivity2.2 β-Z Selectivity2.3 α-selectivity3 Internal Alkyne Hydrosilylation3.1 Aryl–Alkyl Acetylenes3.2 Alkyl–Alkyl Acetylenes3.3 Internal Alkynes with Polarized Substituents4 Summary and Outlook
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4
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Roberts DD, McLaughlin MG. Regioselective Synthesis of Multifunctional Allylic Amines; Access to Ambiphilic Aziridine Scaffolds. Org Lett 2021; 23:4463-4467. [PMID: 34018758 DOI: 10.1021/acs.orglett.1c01398] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We describe, for the first time, a highly regioselective hydrosilylation of propargylic amines. The reaction utilizes a PtCl2/XantPhos catalyst system to deliver hydrosilanes across the alkyne to afford multifunctional allylic amines in high yields. The reaction is tolerant to a wide variety of functional groups and provides high value intermediates with two distinct functional handles. The synthetic applicability of the reaction has been shown through the synthesis of diverse ambiphilic aziridines.
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Affiliation(s)
- Dean D Roberts
- Department of Natural Science, Manchester Metropolitan University, Chester Street, Manchester, M15GD, United Kingdom
| | - Mark G McLaughlin
- Department of Natural Science, Manchester Metropolitan University, Chester Street, Manchester, M15GD, United Kingdom
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5
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Jiang W, Zhang Y, Su Y, Bao X, Fu Y, Huo C. Oxidative Dehydrogenative
Silylation‐Alkenation
Reaction of Alkyl Aromatics with Silanes. CHINESE J CHEM 2020. [DOI: 10.1002/cjoc.202000118] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Wei Jiang
- Gansu International Scientific and Technological Cooperation Base of Water‐Retention Chemical Functional Materials; College of Chemistry and Chemical Engineering, Northwest Normal University Lanzhou Gansu 730070 China
| | - Yongxin Zhang
- Gansu International Scientific and Technological Cooperation Base of Water‐Retention Chemical Functional Materials; College of Chemistry and Chemical Engineering, Northwest Normal University Lanzhou Gansu 730070 China
| | - Yingpeng Su
- Gansu International Scientific and Technological Cooperation Base of Water‐Retention Chemical Functional Materials; College of Chemistry and Chemical Engineering, Northwest Normal University Lanzhou Gansu 730070 China
| | - Xiazhen Bao
- Gansu International Scientific and Technological Cooperation Base of Water‐Retention Chemical Functional Materials; College of Chemistry and Chemical Engineering, Northwest Normal University Lanzhou Gansu 730070 China
| | - Ying Fu
- Gansu International Scientific and Technological Cooperation Base of Water‐Retention Chemical Functional Materials; College of Chemistry and Chemical Engineering, Northwest Normal University Lanzhou Gansu 730070 China
| | - Congde Huo
- Gansu International Scientific and Technological Cooperation Base of Water‐Retention Chemical Functional Materials; College of Chemistry and Chemical Engineering, Northwest Normal University Lanzhou Gansu 730070 China
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6
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Thammavongsy Z, Ziller JW, Yang JY. Modular synthesis of symmetric proazaphosphatranes bearing heteroatom groups. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.152056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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7
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Beletskaya IP, Nájera C, Yus M. Catalysis and regioselectivity in hydrofunctionalization reactions of unsaturated carbon bonds. Part I. RUSSIAN CHEMICAL REVIEWS 2020. [DOI: 10.1070/rcr4916] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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8
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Matthews AD, Prasad S, Schley ND, Donald KJ, Johnson MW. On Transannulation in Azaphosphatranes: Synthesis and Theoretical Analysis. Inorg Chem 2019; 58:15983-15992. [PMID: 31713428 DOI: 10.1021/acs.inorgchem.9b02467] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
A combined synthetic-theoretical study has been undertaken to determine the factors that influence transannulation in azaphosphatranes. The commonly used proazaphosphatrane P(i-BuNCH2CH2)3N and several of its oxidized congeners are used as model systems. The haloazaphosphatranes of P(i-BuNCH2CH2)3N were synthesized, including a rare fluoroazaphopshatrane, and used as references for computational investigations. Comparisons of the experimental and theoretical observations highlight the flexibility observed in transannulated atranes and the potential for multiple local energetic minima depending on the identity of the equatorial substituents for a given azaphosphatrane. Theoretical calculations also identify the role of the ethylene linker in azaphosphatrane bonding, the influence of transannulation on P-electrophile interactions, and the contribution of electrostatic interactions to transannulation.
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Affiliation(s)
- Adrian D Matthews
- Department of Chemistry , University of Richmond , Richmond , Virginia 23173 , United States
| | - Supreeth Prasad
- Department of Chemistry , University of Richmond , Richmond , Virginia 23173 , United States
| | - Nathan D Schley
- Department of Chemistry , Vanderbilt University , Nashville , Tennessee 37235 , United States
| | - Kelling J Donald
- Department of Chemistry , University of Richmond , Richmond , Virginia 23173 , United States
| | - Miles W Johnson
- Department of Chemistry , University of Richmond , Richmond , Virginia 23173 , United States
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9
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A Rh(I) complex with an annulated N-heterocyclic carbene ligand for E-selective alkyne hydrosilylation. Polyhedron 2019. [DOI: 10.1016/j.poly.2019.04.027] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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10
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Zhang X, Ji X, Xie X, Ding S. Construction of highly sterically hindered 1,1-disilylated terminal alkenes. Chem Commun (Camb) 2018; 54:12958-12961. [PMID: 30379149 DOI: 10.1039/c8cc07765g] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
One direct and efficient procedure for the synthesis of 1,1-disilylated terminal alkenes is demonstrated in this paper. To overcome and rationally utilize the steric hindrance of silyl units, the cationic ruthenium catalyst [CpRu(MeCN)3]+ was found to be effective for Markovnikov hydrosilylation of 1-silyl terminal alkynes with high yields and excellent regioselectivity. Dissimilarities between alkyl and alkoxy silyl units lead to versatile product derivatizations toward a variety of useful building blocks.
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Affiliation(s)
- Xueyan Zhang
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, China.
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11
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Mu QC, Chen J, Xia CG, Xu LW. Synthesis of silacyclobutanes and their catalytic transformations enabled by transition-metal complexes. Coord Chem Rev 2018. [DOI: 10.1016/j.ccr.2018.06.015] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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12
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Wu G, Chakraborty U, Jacobi von Wangelin A. Regiocontrol in the cobalt-catalyzed hydrosilylation of alkynes. Chem Commun (Camb) 2018; 54:12322-12325. [PMID: 30310911 PMCID: PMC6243675 DOI: 10.1039/c8cc07267a] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A highly versatile cobalt-catalyzed hydrosilylations of alkynes is reported. Near-perfect regiocontrol/stereocontrol was induced by the choice of the ligand: bidentate phosphines afforded (E)-β-vinylsilanes; α-vinylsilanes formed with bipyridine ligands.
Hydrofunctionalizations of unsaturated hydrocarbons are key strategies for the synthesis of functionalized building blocks. Here, we report highly versatile cobalt-catalyzed hydrosilylations of alkynes that operate with minute amounts of the inexpensive, bench-stable pre-catalyst Co(OAc)2·4H2O under mild conditions (0.1–1 mol%, THF, r.t., 1 h). Near-perfect regiocontrol/stereocontrol was induced by the choice of the ligand: bidentate phosphines afforded (E)-β-vinylsilanes; α-vinylsilanes formed with bipyridine ligands.
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Affiliation(s)
- Guojiao Wu
- Department of Chemistry, University of Hamburg Martin Luther King Pl. 6, 20146 Hamburg, Germany.
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13
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Zhao X, Yang D, Zhang Y, Wang B, Qu J. Highly β( Z)-Selective Hydrosilylation of Terminal Alkynes Catalyzed by Thiolate-Bridged Dirhodium Complexes. Org Lett 2018; 20:5357-5361. [PMID: 30152700 DOI: 10.1021/acs.orglett.8b02267] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
A series of novel monothiolate-bridged dirhodium complexes, [Cp*Rh(μ-SR)(μ-Cl)2RhCp*][BF4] {Cp* = η5-C5Me5, R = tertiary butyl ( tBu), 1a; R = ferrocenyl (Fc), 1b; R = adamantyl (Ad), 1c} were designed and successfully synthesized, which can smoothly facilitate highly regioselective and stereoselective hydrosilylation of terminal alkynes to afford β( Z) vinylsilanes with good functional group compatibility. Furthermore, the hydride bridged dirhodium complex [Cp*Rh(μ-S tBu)(μ-Cl)(μ-H)RhCp*][BF4] (5) as a potential intermediate was obtained by the reaction of 1a with excess HSiEt3.
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Affiliation(s)
- Xiangyu Zhao
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , Dalian 116024 , People's Republic of China
| | - Dawei Yang
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , Dalian 116024 , People's Republic of China
| | - Yahui Zhang
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , Dalian 116024 , People's Republic of China
| | - Baomin Wang
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , Dalian 116024 , People's Republic of China
| | - Jingping Qu
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , Dalian 116024 , People's Republic of China.,Key Laboratory for Advanced Materials , East China University of Science and Technology , Shanghai 200237 , People's Republic of China
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14
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Chauhan BPS, Sarkar A. Functionalized vinylsilanes via highly efficient and recyclable Pt-nanoparticle catalysed hydrosilylation of alkynes. Dalton Trans 2018; 46:8709-8715. [PMID: 28426075 DOI: 10.1039/c7dt00544j] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A mild, selective and facile synthesis of vinylsilanes via a recyclable platinum nanoparticle catalysed hydrosilylation of alkynes is reported. Various functionalized alkynes are selectively hydrosilylated to furnish functional β-E vinylsilanes in high yields. The catalytic effectiveness, ease of catalyst recovery and recyclability of the polysiloxane stabilized Pt-nanoparticle catalyst are the major achievements of this work. Detailed in situ characterization using Electron Microscopy and controlled poisoning experiments supports the participation of Pt-nanoparticles as active catalysts.
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Affiliation(s)
- Bhanu P S Chauhan
- Engineered Nanomaterials Laboratory, Department of Chemistry, William Paterson University, 300 Pompton Road, Wayne, New Jersey 07470-2103, USA.
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15
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Walczak M, Franczyk A, Marciniec B. Synthesis of Monofunctionalized Silsesquioxanes (RSiMe 2 O)(iBu) 7 Si 8 O 12 via Alkene Hydrosilylation. Chem Asian J 2018; 13:181-186. [PMID: 29194982 DOI: 10.1002/asia.201701569] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Indexed: 11/07/2022]
Abstract
The research presented in this work comprehensively describes hydrosilylation of a wide spectrum of alkenes which contain one or more reactive groups with (HSiMe2 O)(iBu)7 Si8 O12 , in the presence of different types of catalysts. Special attention is paid to the influence of alkene, catalyst, and reaction conditions on process effectiveness and selectivity by the precise monitoring of the experiments with in situ FTIR and NMR spectroscopies. More than twenty silsesquioxanes bearing reactive groups (OH, Br, NR2 , CO, COOR, NCO, epoxy, SiR3 ) commonly used in organic and polymer chemistry, were obtained, isolated and characterized by 1 H, 13 C, 29 Si NMR and MALDI TOF. Importantly, in the presented syntheses, commercially available reagents and catalysts were used, meaning that the presented methods could be easily repeated, rapidly scaled up, and widely applied.
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Affiliation(s)
- Marcin Walczak
- Faculty of Chemistry, Adam Mickiewicz University in Poznan, Umultowska 89B, 61-614, Poznan, Poland.,Centre for Advanced Technologies, Adam Mickiewicz University in Poznan, Umultowska 89C, 61-614, Poznan, Poland
| | - Adrian Franczyk
- Centre for Advanced Technologies, Adam Mickiewicz University in Poznan, Umultowska 89C, 61-614, Poznan, Poland
| | - Bogdan Marciniec
- Faculty of Chemistry, Adam Mickiewicz University in Poznan, Umultowska 89B, 61-614, Poznan, Poland.,Centre for Advanced Technologies, Adam Mickiewicz University in Poznan, Umultowska 89C, 61-614, Poznan, Poland
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16
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Żak P, Bołt M, Kubicki M, Pietraszuk C. Highly selective hydrosilylation of olefins and acetylenes by platinum(0) complexes bearing bulky N-heterocyclic carbene ligands. Dalton Trans 2018; 47:1903-1910. [DOI: 10.1039/c7dt04392a] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Platinum(0) complexes bearing bulky N-heterocyclic carbene ligands, catalyse selective hydrosilylation of terminal olefins as well as terminal and internal acetylenes.
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Affiliation(s)
- P. Żak
- Adam Mickiewicz University in Poznań
- Faculty of Chemistry
- 61-614 Poznań
- Poland
| | - M. Bołt
- Adam Mickiewicz University in Poznań
- Faculty of Chemistry
- 61-614 Poznań
- Poland
| | - M. Kubicki
- Adam Mickiewicz University in Poznań
- Faculty of Chemistry
- 61-614 Poznań
- Poland
| | - C. Pietraszuk
- Adam Mickiewicz University in Poznań
- Faculty of Chemistry
- 61-614 Poznań
- Poland
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17
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Thammavongsy Z, Cunningham DW, Sutthirat N, Eisenhart RJ, Ziller JW, Yang JY. Adaptable ligand donor strength: tracking transannular bond interactions in tris(2-pyridylmethyl)-azaphosphatrane (TPAP). Dalton Trans 2018; 47:14101-14110. [PMID: 30252015 DOI: 10.1039/c8dt03180k] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Flexible ligands that can adapt their donor strength have enabled unique reactivity in a wide range of inorganic complexes.
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Affiliation(s)
| | | | | | | | | | - Jenny Y. Yang
- Department of Chemistry
- University of California
- Irvine
- USA
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18
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Chatelet B, Nava P, Clavier H, Martinez A. Synthesis of Gold(I) Complexes Bearing Verkade's Superbases. Eur J Inorg Chem 2017. [DOI: 10.1002/ejic.201700897] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
| | - Paola Nava
- CNRS Centrale Marseille Aix Marseille Univ. Marseille France
| | - Herve Clavier
- CNRS Centrale Marseille Aix Marseille Univ. Marseille France
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19
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Mummadi S, Kenefake D, Diaz R, Unruh DK, Krempner C. Interactions of Verkade’s Superbase with Strong Lewis Acids: From Labile Mono- and Binuclear Lewis Acid–Base Complexes to Phosphenium Cations. Inorg Chem 2017; 56:10748-10759. [DOI: 10.1021/acs.inorgchem.7b01719] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Suresh Mummadi
- Department of Chemistry and Biochemistry, Texas Tech University, Box 1061, Lubbock, Texas 79409-1061, United States
| | - Dustin Kenefake
- Department of Chemistry and Biochemistry, Texas Tech University, Box 1061, Lubbock, Texas 79409-1061, United States
| | - Rony Diaz
- Department of Chemistry and Biochemistry, Texas Tech University, Box 1061, Lubbock, Texas 79409-1061, United States
| | - Daniel K. Unruh
- Department of Chemistry and Biochemistry, Texas Tech University, Box 1061, Lubbock, Texas 79409-1061, United States
| | - Clemens Krempner
- Department of Chemistry and Biochemistry, Texas Tech University, Box 1061, Lubbock, Texas 79409-1061, United States
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20
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Morales-Cerón JP, Lara P, López-Serrano J, Santos LL, Salazar V, Álvarez E, Suárez A. Rhodium(I) Complexes with Ligands Based on N-Heterocyclic Carbene and Hemilabile Pyridine Donors as Highly E Stereoselective Alkyne Hydrosilylation Catalysts. Organometallics 2017. [DOI: 10.1021/acs.organomet.7b00361] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Judith P. Morales-Cerón
- Área
Académica de Químicas, Universidad Autónoma del Estado de Hidalgo 42184 Mineral de la Reforma, Hidalgo, Mexico
| | - Patricia Lara
- Instituto
de Investigaciones Químicas (IIQ), Departamento de Química
Inorgánica and Centro de Innovación en Química
Avanzada (ORFEO-CINQA), CSIC and Universidad de Sevilla, 41092 Sevilla, Spain
| | - Joaquín López-Serrano
- Instituto
de Investigaciones Químicas (IIQ), Departamento de Química
Inorgánica and Centro de Innovación en Química
Avanzada (ORFEO-CINQA), CSIC and Universidad de Sevilla, 41092 Sevilla, Spain
| | - Laura L. Santos
- Instituto
de Investigaciones Químicas (IIQ), Departamento de Química
Inorgánica and Centro de Innovación en Química
Avanzada (ORFEO-CINQA), CSIC and Universidad de Sevilla, 41092 Sevilla, Spain
| | - Verónica Salazar
- Área
Académica de Químicas, Universidad Autónoma del Estado de Hidalgo 42184 Mineral de la Reforma, Hidalgo, Mexico
| | - Eleuterio Álvarez
- Instituto
de Investigaciones Químicas (IIQ), Departamento de Química
Inorgánica and Centro de Innovación en Química
Avanzada (ORFEO-CINQA), CSIC and Universidad de Sevilla, 41092 Sevilla, Spain
| | - Andrés Suárez
- Instituto
de Investigaciones Químicas (IIQ), Departamento de Química
Inorgánica and Centro de Innovación en Química
Avanzada (ORFEO-CINQA), CSIC and Universidad de Sevilla, 41092 Sevilla, Spain
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21
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Du X, Hou W, Zhang Y, Huang Z. Pincer cobalt complex-catalyzed Z-selective hydrosilylation of terminal alkynes. Org Chem Front 2017. [DOI: 10.1039/c7qo00250e] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Co-Catalyzed Z-selective hydrosilylation of terminal alkynes produces (Z)-β-vinylsilanes, which are further converted to (Z)-disubstituted alkenes by Pd-catalyzed cross couplings.
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Affiliation(s)
- Xiaoyong Du
- State Key Laboratory of Organometallic Chemistry
- Shanghai Institute of Organic Chemistry
- Shanghai
- China
| | - Wenjun Hou
- State Key Laboratory of Organometallic Chemistry
- Shanghai Institute of Organic Chemistry
- Shanghai
- China
| | - Yanlu Zhang
- State Key Laboratory of Organometallic Chemistry
- Shanghai Institute of Organic Chemistry
- Shanghai
- China
| | - Zheng Huang
- State Key Laboratory of Organometallic Chemistry
- Shanghai Institute of Organic Chemistry
- Shanghai
- China
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22
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Pérez-Torrente JJ, Nguyen DH, Jiménez MV, Modrego FJ, Puerta-Oteo R, Gómez-Bautista D, Iglesias M, Oro LA. Hydrosilylation of Terminal Alkynes Catalyzed by a ONO-Pincer Iridium(III) Hydride Compound: Mechanistic Insights into the Hydrosilylation and Dehydrogenative Silylation Catalysis. Organometallics 2016. [DOI: 10.1021/acs.organomet.6b00471] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jesús J. Pérez-Torrente
- Departamento
de Química Inorgánica, Instituto de Síntesis
Química y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-CSIC, Facultad de Ciencias, C/Pedro Cerbuna, 12, 50009 Zaragoza, Spain
| | - Duc Hanh Nguyen
- Université Lille, CNRS, Centrale Lille, ENSCL, Université Artois, UMR 8181, Unité de Catalyse et Chimie du Solide (UCCS), F-59000 Lille, France
| | - M. Victoria Jiménez
- Departamento
de Química Inorgánica, Instituto de Síntesis
Química y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-CSIC, Facultad de Ciencias, C/Pedro Cerbuna, 12, 50009 Zaragoza, Spain
| | - F. Javier Modrego
- Departamento
de Química Inorgánica, Instituto de Síntesis
Química y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-CSIC, Facultad de Ciencias, C/Pedro Cerbuna, 12, 50009 Zaragoza, Spain
| | - Raquel Puerta-Oteo
- Departamento
de Química Inorgánica, Instituto de Síntesis
Química y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-CSIC, Facultad de Ciencias, C/Pedro Cerbuna, 12, 50009 Zaragoza, Spain
| | - Daniel Gómez-Bautista
- Departamento
de Química Inorgánica, Instituto de Síntesis
Química y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-CSIC, Facultad de Ciencias, C/Pedro Cerbuna, 12, 50009 Zaragoza, Spain
| | - Manuel Iglesias
- Departamento
de Química Inorgánica, Instituto de Síntesis
Química y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-CSIC, Facultad de Ciencias, C/Pedro Cerbuna, 12, 50009 Zaragoza, Spain
| | - Luis A. Oro
- Departamento
de Química Inorgánica, Instituto de Síntesis
Química y Catálisis Homogénea-ISQCH, Universidad de Zaragoza-CSIC, Facultad de Ciencias, C/Pedro Cerbuna, 12, 50009 Zaragoza, Spain
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23
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Thammavongsy Z, Kha IM, Ziller JW, Yang JY. Electronic and steric Tolman parameters for proazaphosphatranes, the superbase core of the tri(pyridylmethyl)azaphosphatrane (TPAP) ligand. Dalton Trans 2016; 45:9853-9. [DOI: 10.1039/c6dt00326e] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The Tolman electronic parameters (TEP) and cone angles were experimentally measured for a series of substituted proazaphosphatranes ligands by synthesizing their respective Ni(LR)(CO)3 complexes, where L = P(RNCH2CH2)3N and R = Me, iPr, iBu and Bz.
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Affiliation(s)
| | - Ivy M. Kha
- Department of Chemistry
- University of California
- Irvine
- USA
| | | | - Jenny Y. Yang
- Department of Chemistry
- University of California
- Irvine
- USA
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24
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Dierick S, Vercruysse E, Berthon-Gelloz G, Markó IE. User-Friendly Platinum Catalysts for the Highly Stereoselective Hydrosilylation of Alkynes and Alkenes. Chemistry 2015; 21:17073-8. [DOI: 10.1002/chem.201502643] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2015] [Indexed: 11/08/2022]
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25
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Gao R, Pahls DR, Cundari TR, Yi CS. Experimental and Computational Studies of the Ruthenium-Catalyzed Hydrosilylation of Alkynes: Mechanistic Insights into the Regio- and Stereoselective Formation of Vinylsilanes. Organometallics 2014. [DOI: 10.1021/om501019j] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Ruili Gao
- Department
of Chemistry, Marquette University, Milwaukee, Wisconsin 53201-1881 United States
| | - Dale R. Pahls
- Department
of Chemistry, CASCaM, University of North Texas, Denton, Texas 76203-5017 United States
| | - Thomas R. Cundari
- Department
of Chemistry, CASCaM, University of North Texas, Denton, Texas 76203-5017 United States
| | - Chae S. Yi
- Department
of Chemistry, Marquette University, Milwaukee, Wisconsin 53201-1881 United States
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26
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Lee A, Ahn S, Kang K, Seo MS, Kim Y, Kim WY, Kim H. Bicyclic Bridgehead Phosphoramidite (Briphos) Ligands with Tunable π-Acceptor Ability and Catalytic Activity in the Rhodium-Catalyzed Conjugate Additions. Org Lett 2014; 16:5490-3. [DOI: 10.1021/ol502772m] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Ansoo Lee
- Department
of Chemistry, KAIST, Daejeon 305-701, Korea
- Center
for Nanomaterials and Chemical Reactions, Institute for Basic Science (IBS), Daejeon 305-701, Korea
| | - Seihwan Ahn
- Department
of Chemistry, KAIST, Daejeon 305-701, Korea
| | - Kyungjun Kang
- Department
of Chemistry, KAIST, Daejeon 305-701, Korea
- Center
for Nanomaterials and Chemical Reactions, Institute for Basic Science (IBS), Daejeon 305-701, Korea
| | - Min-Seob Seo
- Department
of Chemistry, KAIST, Daejeon 305-701, Korea
- Center
for Nanomaterials and Chemical Reactions, Institute for Basic Science (IBS), Daejeon 305-701, Korea
| | - Yeonjoon Kim
- Department
of Chemistry, KAIST, Daejeon 305-701, Korea
| | - Woo Youn Kim
- Department
of Chemistry, KAIST, Daejeon 305-701, Korea
| | - Hyunwoo Kim
- Department
of Chemistry, KAIST, Daejeon 305-701, Korea
- Center
for Nanomaterials and Chemical Reactions, Institute for Basic Science (IBS), Daejeon 305-701, Korea
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27
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Sorribes I, Junge K, Beller M. General Catalytic Methylation of Amines with Formic Acid under Mild Reaction Conditions. Chemistry 2014; 20:7878-83. [DOI: 10.1002/chem.201402124] [Citation(s) in RCA: 97] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2014] [Indexed: 11/10/2022]
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28
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Meng F, Jang H, Hoveyda AH. ExceptionallyE- and β-Selective NHC-Cu-Catalyzed Proto-Silyl Additions to Terminal Alkynes and Site- and Enantioselective Proto-Boryl Additions to the Resulting Vinylsilanes: Synthesis of Enantiomerically Enriched Vicinal and Geminal Borosilanes. Chemistry 2013; 19:3204-14. [DOI: 10.1002/chem.201203803] [Citation(s) in RCA: 128] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2012] [Indexed: 11/06/2022]
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29
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Huckaba AJ, Hollis TK, Howell TO, Valle HU, Wu Y. Synthesis and Characterization of a 1,3-Phenylene-Bridged N-Alkyl Bis(benzimidazole) CCC-NHC Pincer Ligand Precursor: Homobimetallic Silver and Rhodium Complexes and the Catalytic Hydrosilylation of Phenylacetylene. Organometallics 2012. [DOI: 10.1021/om3008037] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Aron J. Huckaba
- Department of Chemistry and Biochemistry, The University of Mississippi, University,
Mississippi
38677, United States
| | - T. Keith Hollis
- Department of Chemistry and Biochemistry, The University of Mississippi, University,
Mississippi
38677, United States
| | - Tyler O. Howell
- Department of Chemistry and Biochemistry, The University of Mississippi, University,
Mississippi
38677, United States
| | - Henry U. Valle
- Department of Chemistry and Biochemistry, The University of Mississippi, University,
Mississippi
38677, United States
| | - Yunshan Wu
- Department of Medicinal Chemistry, School of Pharmacy, The University of Mississippi, University, Mississippi
38677, United States
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30
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Li SH, Fang L, Wang R, Xu CH. Silicon-containing poly(p-arylene vinylene)s: Synthesis and photophysics. CHINESE JOURNAL OF POLYMER SCIENCE 2012. [DOI: 10.1007/s10118-012-1157-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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31
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Cano R, Yus M, Ramón DJ. Impregnated Platinum on Magnetite as an Efficient, Fast, and Recyclable Catalyst for the Hydrosilylation of Alkynes. ACS Catal 2012. [DOI: 10.1021/cs300056e] [Citation(s) in RCA: 72] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Rafael Cano
- Instituto de Síntesis Orgánica (ISO), and Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Alicante, Apdo. 99, E-03080-Alicante, Spain
| | - Miguel Yus
- Instituto de Síntesis Orgánica (ISO), and Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Alicante, Apdo. 99, E-03080-Alicante, Spain
| | - Diego J. Ramón
- Instituto de Síntesis Orgánica (ISO), and Departamento de Química Orgánica, Facultad de Ciencias, Universidad de Alicante, Apdo. 99, E-03080-Alicante, Spain
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32
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Lim DSW, Anderson EA. One-step preparation of functionalized (E)-vinylsilanes from aldehydes. Org Lett 2011; 13:4806-9. [PMID: 21838273 DOI: 10.1021/ol201833u] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Functionalized (E)-vinylsilanes have been prepared in one step from a wide range of aldehydes, via a chromium(II)-mediated olefination with novel dihalomethylsilane reagents, in moderate to excellent yields and with excellent stereoselectivity.
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Affiliation(s)
- Diane S W Lim
- Chemical Research Laboratory, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
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33
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Lange J, Schaumann E. Configuration-Dependent Ring Opening of Silyloxiranes: Synthesis of Functionalized Alkenes or Tetrahydrofurans. European J Org Chem 2009. [DOI: 10.1002/ejoc.200900448] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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34
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Hu JJ, Li F, Hor TSA. Novel Pt(II) Mono- and Biscarbene Complexes: Synthesis, Structural Characterization and Application in Hydrosilylation Catalysis. Organometallics 2009. [DOI: 10.1021/om800978j] [Citation(s) in RCA: 64] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jian Jin Hu
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Kent Ridge, Singapore 117543
| | - Fuwei Li
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Kent Ridge, Singapore 117543
| | - T. S. Andy Hor
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Kent Ridge, Singapore 117543
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35
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36
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37
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Shore G, Organ M. Gold-Film-Catalysed Hydrosilylation of Alkynes by Microwave-Assisted, Continuous-Flow Organic Synthesis (MACOS). Chemistry 2008; 14:9641-6. [DOI: 10.1002/chem.200801610] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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38
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Pedersen PJ, Henriksen J, Gotfredsen CH, Clausen MH. Regio- and stereoselective hydrosilylation of immobilized terminal alkynes. Tetrahedron Lett 2008. [DOI: 10.1016/j.tetlet.2008.08.043] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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39
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Lee IS, Kwak YW, Kim DH, Cho Y, Ohshita J. Synthesis of E-alkenylsilanes with dithienosilole and their electrochemical and optical properties. J Organomet Chem 2008. [DOI: 10.1016/j.jorganchem.2008.07.030] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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40
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Hamze A, Provot O, Brion JD, Alami M. Xphos ligand and platinum catalysts: A versatile catalyst for the synthesis of functionalized β-(E)-vinylsilanes from terminal alkynes. J Organomet Chem 2008. [DOI: 10.1016/j.jorganchem.2008.05.028] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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41
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Berthon-Gelloz G, Schumers JM, De Bo G, Markó IE. Highly β-(E)-Selective Hydrosilylation of Terminal and Internal Alkynes Catalyzed by a (IPr)Pt(diene) Complex. J Org Chem 2008; 73:4190-7. [DOI: 10.1021/jo800411e] [Citation(s) in RCA: 112] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Guillaume Berthon-Gelloz
- Université catholique de Louvain, Département de Chimie, Place Louis Pasteur, 1348 Louvain-la-Neuve, Belgium
| | - Jean-Marc Schumers
- Université catholique de Louvain, Département de Chimie, Place Louis Pasteur, 1348 Louvain-la-Neuve, Belgium
| | - Guillaume De Bo
- Université catholique de Louvain, Département de Chimie, Place Louis Pasteur, 1348 Louvain-la-Neuve, Belgium
| | - István E. Markó
- Université catholique de Louvain, Département de Chimie, Place Louis Pasteur, 1348 Louvain-la-Neuve, Belgium
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42
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Hamze A, Provot O, Brion JD, Alami M. Platinum chloride/Xphos-catalyzed regioselective hydrosilylation of functionalized terminal arylalkynes. Tetrahedron Lett 2008. [DOI: 10.1016/j.tetlet.2008.02.060] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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43
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44
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Berthon-Gelloz G, Schumers JM, Lucaccioni F, Tinant B, Wouters J, Markó IE. Expedient, Direct Synthesis of (L)Pt(0)(1,6-diene) Complexes from H2PtCl6. Organometallics 2007. [DOI: 10.1021/om7007088] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Guillaume Berthon-Gelloz
- Département de Chimie, Université catholique de Louvain, Place Louis Pasteur 1, 1348 Louvain-la-Neuve, Belgium, and Département de Chimie, Facultés Universitaires Notre-Dame de la Paix, Rue de Bruxelles 61, 5000 Namur, Belgium
| | - Jean-Marc Schumers
- Département de Chimie, Université catholique de Louvain, Place Louis Pasteur 1, 1348 Louvain-la-Neuve, Belgium, and Département de Chimie, Facultés Universitaires Notre-Dame de la Paix, Rue de Bruxelles 61, 5000 Namur, Belgium
| | - Fabio Lucaccioni
- Département de Chimie, Université catholique de Louvain, Place Louis Pasteur 1, 1348 Louvain-la-Neuve, Belgium, and Département de Chimie, Facultés Universitaires Notre-Dame de la Paix, Rue de Bruxelles 61, 5000 Namur, Belgium
| | - Bernard Tinant
- Département de Chimie, Université catholique de Louvain, Place Louis Pasteur 1, 1348 Louvain-la-Neuve, Belgium, and Département de Chimie, Facultés Universitaires Notre-Dame de la Paix, Rue de Bruxelles 61, 5000 Namur, Belgium
| | - Johan Wouters
- Département de Chimie, Université catholique de Louvain, Place Louis Pasteur 1, 1348 Louvain-la-Neuve, Belgium, and Département de Chimie, Facultés Universitaires Notre-Dame de la Paix, Rue de Bruxelles 61, 5000 Namur, Belgium
| | - István E. Markó
- Département de Chimie, Université catholique de Louvain, Place Louis Pasteur 1, 1348 Louvain-la-Neuve, Belgium, and Département de Chimie, Facultés Universitaires Notre-Dame de la Paix, Rue de Bruxelles 61, 5000 Namur, Belgium
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45
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Sridevi VS, Fan WY, Leong WK. Stereoselective Hydrosilylation of Terminal Alkynes Catalyzed by [Cp*IrCl2]2: A Computational and Experimental Study. Organometallics 2007. [DOI: 10.1021/om0609158] [Citation(s) in RCA: 49] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | - Wai Yip Fan
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543
| | - Weng Kee Leong
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543
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46
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Zhao WG, Hua R. Highly Regioselective Rhenium-Catalyzed Hydrosilylation of Styrenes. European J Org Chem 2006. [DOI: 10.1002/ejoc.200600555] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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47
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Nishibayashi Y, Shinoda A, Miyake Y, Matsuzawa H, Sato M. Ruthenium-Catalyzed Propargylic Reduction of Propargylic Alcohols with Silanes. Angew Chem Int Ed Engl 2006. [DOI: 10.1002/ange.200601181] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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48
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Nishibayashi Y, Shinoda A, Miyake Y, Matsuzawa H, Sato M. Ruthenium-Catalyzed Propargylic Reduction of Propargylic Alcohols with Silanes. Angew Chem Int Ed Engl 2006; 45:4835-9. [PMID: 16802392 DOI: 10.1002/anie.200601181] [Citation(s) in RCA: 91] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Yoshiaki Nishibayashi
- Institute of Engineering Innovation, The University of Tokyo, Yayoi, Bunkyo-ku, Tokyo, 113-8656, Japan.
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49
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Cipot J, Ferguson MJ, Stradiotto M. Exploring the utility of neutral Rh(I) and Ir(I) κ2-(P,O)MCOD catalyst complexes for the addition of triethylsilane to styrene. Inorganica Chim Acta 2006. [DOI: 10.1016/j.ica.2005.10.032] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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50
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Wechsler D, Myers A, McDonald R, Ferguson MJ, Stradiotto M. Rh(I) and Ir(I) Derivatives of a P(S),N-Substituted Indene Ligand: Synthetic, Structural, and Catalytic Alkene Hydrosilylation Studies. Inorg Chem 2006; 45:4562-70. [PMID: 16711707 DOI: 10.1021/ic060127a] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Treatment of 1-PiPr2-indene or 1-PiPr2-2-NMe2-indene (1a) with elemental sulfur afforded 3-iPr2P(S)-indene or 1-iPr2P(S)-2-NMe2-indene (4a) in 81% and 85% isolated yield, respectively. Addition of 4a to [(COD)M(THF)2]+BF4- afforded the corresponding [(COD)M(kappa2-N,S-4a)]+BF4- complexes (M = Rh, 5a, 76%; M = Ir, 5b, 59%; COD = eta4-1,5-cyclooctadiene), which were found to exhibit temperature-dependent NMR spectral features that were rationalized in terms of a dynamic process involving M-NMe2 dissociation, rotation about the indenyl-NMe2 bond, inversion at nitrogen, and re-coordination to M. Analysis of variable-temperature NMR data collected for 5a and 5b each yielded a value for DeltaG(double dagger) of ca. 14 kcal/mol for this process. Exposure of 5a or 5b to NaN(SiMe3)2 generated the corresponding (COD)M(kappa2-C,S-1-iPr2P(S)-2-NMe2-(C1-indenyl)) complex (M = Rh, 6a, 70%; M = Ir, 6b, 86%) in which the metal is incorporated into an M-C-P-S ring via coordination to the indenyl ring in an eta1-fashion, as well as to sulfur. Alternatively, complex 6b was prepared cleanly via lithiation of 4a followed by treatment with 0.5 equiv of [(COD)IrCl]2. The ability of 5a,b and 6a,b to mediate the addition of triethylsilane to styrene was also explored, and their performance was compared with that of Wilkinson's Catalyst ((PPh3)3RhCl) and Crabtree's catalyst ([(COD)Ir(PCy3)(Py)]+PF6-; Cy = cyclohexyl; Py = pyridine). Single-crystal X-ray diffraction data are provided for 4a, 2-NMe2-3-iPr2P(S)-indene (4b), 6a, and 6b.
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Affiliation(s)
- Dominik Wechsler
- Department of Chemistry, Dalhousie University, Halifax, Nova Scotia, Canada B3H 4J3
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