Organoplatinum (II) complexes containing bis-(N-heterocyclic carbene) ligands: Catalytic activity in hydrosilylation of α , β-unsaturated ketones

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jamali sirous; Abedanzadeh Sedigheh

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Journal: Applied Chemistry Today Year:2018 | Volume:13 | Issue:46 Page(s): 297-311

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Title

Organoplatinum (II) complexes containing bis-(N-heterocyclic carbene) ligands: Catalytic activity in hydrosilylation of α , β-unsaturated ketones

Author(s)

jamali sirous | Abedanzadeh Sedigheh | Issue Writer Certificate

Keywords

organometallic chemistryQ1

platinumQ1

catalystQ1

homogeneousQ1

hydrosylilationQ1

Abstract

Two N-heterocyclic carbene platinum complexes [PtMe2(NHC)], 1 and [Pt(TFA)2(NHC)], 2, in which, NHC = 1, 1′-methylene-3, 3′-bis[(N-(tert-butyl) imidazol-2-ylidene] have been prepared and characterized using NMR spectroscopy and ESI-MASS spectrometry. Reactivity of these complexes toward hydrosilylation of some α , β-unsaturated ketones investigated by NMR spectroscopy. Dimethyl bis-NHC platinum(II) complex shows good performance in comparison with those observed for trifluoroacetate bis-NHC platinum(II) complex, 2 in which higher efficiency and selectivity obtained with dimethyl complex 1 as catalyst. Although, the 1, 2-additon and 1, 4-addition pathways are possible, regiochemistry of the products show a 1, 4-addition is preferred pathway for these reactions.

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APA: Copy

jamali, sirous, & Abedanzadeh, Sedigheh. (2018). Organoplatinum (II) complexes containing bis-(N-heterocyclic carbene) ligands: Catalytic activity in hydrosilylation of α , β-unsaturated ketones. JOURNAL OF APPLIED CHEMISTRY, 13(46 ), 297-311. SID. https://sid.ir/paper/383434/en

Vancouver: Copy

jamali sirous, Abedanzadeh Sedigheh. Organoplatinum (II) complexes containing bis-(N-heterocyclic carbene) ligands: Catalytic activity in hydrosilylation of α , β-unsaturated ketones. JOURNAL OF APPLIED CHEMISTRY[Internet]. 2018;13(46 ):297-311. Available from: https://sid.ir/paper/383434/en

IEEE: Copy

sirous jamali, and Sedigheh Abedanzadeh, “Organoplatinum (II) complexes containing bis-(N-heterocyclic carbene) ligands: Catalytic activity in hydrosilylation of α , β-unsaturated ketones,” JOURNAL OF APPLIED CHEMISTRY, vol. 13, no. 46 , pp. 297–311, 2018, [Online]. Available: https://sid.ir/paper/383434/en

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