Ontology highlight
ABSTRACT:
SUBMITTER: Johnson HC
PROVIDER: S-EPMC4557049 | biostudies-literature | 2015 Aug
REPOSITORIES: biostudies-literature
Angewandte Chemie (International ed. in English) 20150703 35
{Rh(xantphos)}-based phosphido dimers form by P-C activation of xantphos (4,5-bis(diphenylphosphino)-9,9-dimethylxanthene) in the presence of amine-boranes. These dimers are active dehydrocoupling catalysts, forming polymeric [H2 BNMeH]n from H3 B⋅NMeH2 and dimeric [H2 BNMe2 ]2 from H3 B⋅NMe2 H at low catalyst loadings (0.1 mol %). Mechanistic investigations support a dimeric active species, suggesting that bimetallic catalysis may be possible in amine-borane dehydropolymerization. ...[more]