An unexpected mechanism of hydrosilylation by a silyl hydride complex of molybdenum

Andrey Y Khalimon; Stanislav K Ignatov; Razvan Simionescu; Lyudmila G Kuzmina; Judith A K Howard; Georgii I Nikonov

doi:10.1021/ic201550a

An unexpected mechanism of hydrosilylation by a silyl hydride complex of molybdenum

Inorg Chem. 2012 Jan 16;51(2):754-6. doi: 10.1021/ic201550a. Epub 2011 Dec 21.

Authors

Andrey Y Khalimon¹, Stanislav K Ignatov, Razvan Simionescu, Lyudmila G Kuzmina, Judith A K Howard, Georgii I Nikonov

Affiliation

¹ Chemistry Department, Brock University, 500 Glenridge Avenue, St. Catharines, Ontario L2S 3A1, Canada.

PMID: 22220921
DOI: 10.1021/ic201550a

Abstract

Carbonyl hydrosilylation catalyzed by (ArN)Mo(H)(SiH(2)Ph)(PMe(3))(3) (3) is unusual in that it does not involve the expected Si-O elimination from intermediate (ArN)Mo(SiH(2)Ph)(O(i)Pr)(PMe(3))(2) (7). Instead, 7 reversibly transfers β-CH hydrogen from the alkoxide ligand to metal.