General and functional group-tolerable approach to allenylsilanes by rhodium-catalyzed coupling between propargylic carbonates and a silylboronate.
The Rh-catalyzed coupling reaction between propargylic carbonates and a silylboronate afforded allenylsilanes with different substitution patterns in high yields. The reaction tolerates a variety of functional groups in propargylic carbonates. The reaction of an optically active propargylic carbonate proceeded with excellent chirality transfer with 1,3-anti stereochemistry to give an axially chiral allenylsilane.
Ohmiya
Hirohisa
H
Department of Chemistry, Faculty of Science, Hokkaido University, Sapporo 060-0810, Japan.
Ito
Hideto
H
Sawamura
Masaya
M