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Manganese N‐Heterocyclic Carbene Complexes for Catalytic Reduction of Ketones with Silanes
Author(s) -
Pinto Mara,
Friães Sofia,
Franco Federico,
LloretFillol Julio,
Royo Beatriz
Publication year - 2018
Publication title -
chemcatchem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.497
H-Index - 106
eISSN - 1867-3899
pISSN - 1867-3880
DOI - 10.1002/cctc.201800241
Subject(s) - phenylsilane , hydrosilylation , chemistry , carbene , catalysis , manganese , silanes , organic chemistry , medicinal chemistry , combinatorial chemistry , silane
Abstract Well‐defined manganese(I) carbonyl complexes bearing bis‐N‐heterocyclic carbene (NHC) ligands are shown to be effective catalysts for the reduction of carbonyl groups through hydrosilylation reactions. A wide variety of ketones are selectively reduced to the corresponding alcohols by using phenylsilane, and the cheap and readily abundant polymethylhydrosiloxane (PMHS) in the presence of catalytic amounts of Mn I organometallic complexes. Interestingly, α,β‐unsaturated ketones and dialkyl ketones are selectively reduced. Mechanistic studies based on radical scavengers suggest the involvement of radical species in the catalytic reaction.