73311-48-5Relevant articles and documents
Lewis base activation of Lewis acids: Vinylogous aldol additions of silyl dienol ethers to aldehydes
Denmark, Scott E.,Heemstra Jr., John R.
, p. 2411 - 2416 (2007/10/03)
Highly regioselective vinylogous aldol additions of silyl dienol ethers derived from simple α,β-unsaturated ketones are described. The catalyst system of silicon tetrachloride activated by chiral bisphosphoramide (R,R)-1 effectively promotes the addition