Manufacture of optically active halohydrin trialkylsilyl ethers
申请人:E. I. du Pont de Nemours and Company
公开号:US06207847B1
公开(公告)日:2001-03-27
A process for the production of optically active Si compounds by reacting a meso-epoxide with a azidotrimethylsilane and a hydrocarbyl halide in the presence of a catalyst formed from the sequential treatment of hafnium t-butoxide or zirconium t-butoxide with one equivalent of homochiral optically active triisopropanolamine, water, and a source of trifluoroacetae ion is disclosed.
A retroviral protease inhibiting compound of the formula: ##STR1## is disclosed wherein R.sub.1, R.sub.2, R.sub.5, R.sub.6, Y.sub.m and Y'.sub.n are herein defined.