Study of chemoselective asymmetric hydrogenation of (1-bromo-1-alkenyl)boronic esters with iridium–PˆN complexes
作者:Stephen J. Roseblade、Ivana Gazić Smilović、Zdenko Časar
DOI:10.1016/j.tet.2014.02.065
日期:2014.4
first chemoselective asymmetric hydrogenation of (1-bromo-1-alkenyl)boronicesters, which constitutes a new route to (α-bromoalkyl)boronicesters. The study demonstrates that excellent chemoselectivities along with full conversions can be obtained for hydrogenation of alkyl substituted derivatives with iridium–PˆN complexes. Moreover, acyclic alkyl derivatives afford (α-bromoalkyl)boronicesters in good