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Bench‐Stable Manganese NHC Complexes for the Selective Reduction of Esters to Alcohols with Silanes
Author(s) -
Sousa Sara C. A.,
Realista Sara,
Royo Beatriz
Publication year - 2020
Publication title -
advanced synthesis and catalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.541
H-Index - 155
eISSN - 1615-4169
pISSN - 1615-4150
DOI - 10.1002/adsc.202000148
Subject(s) - phenylsilane , hydrosilylation , chemistry , manganese , silanes , catalysis , organic chemistry , in situ , selective reduction , medicinal chemistry , silane
Selective reduction of esters to alcohols was accomplished through Mn(I)‐mediated hydrosilylation reaction. The manganese tricarbonyl complex [Mn(bis‐NHC)(CO) 3 Br] resulted an active pre‐catalyst for the reduction of a variety of esters using phenylsilane and the cheap and readily available polymethylhydrosiloxane. An in situ examination of the catalytic reaction using 55 Mn NMR spectroscopy allowed us to detect the formation of Mn(I) intermediate active species.