Abstract

Abstract The thermal reactions of [MoH4(dppe)2] (1, dppe = Ph2PCH2CH2PPh2) with RSiH2X afford [MoH2X(dppe){[Ph2PCH2CH2P(Ph)C6H4-o]RXSi-P,P,Si}] (R = Ph, X = Cl (5a); R = cyclo-C6H11, X = Cl (5b); and R = Ph, X = Br (6)) by activation of the Si–H bond of the silanes and the ortho C–H bond of the phenyl group in the dppe ligand. Reduction of the Si–Cl and Mo–Cl bonds in 5a with LiAlH4 leads to the formation of the original complex 1 as a result of unusual Si–C bond cleavage. Meanwhile, dehalogenative reduction of 5a using zinc metal gives the known compound [MoH3{[Ph2PCH2CH2P(Ph)C6H4-o]2(Ph)Si-P,P,P,P,Si}] (2). The experimental results reported herein provide certain evidence for the involvement of the silylene species in the unusual formation of the present polydentate phosphinoalkyl–silyl ligands.

Full Text
Paper version not known

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.