Highly diastereoselective reactions using masked allylic zinc reagents
作者:Philip Jones、Paul Knochel
DOI:10.1039/a805953e
日期:——
Substituted allylic organozinc reagents have been prepared using a novel fragmentation reaction; the resulting allylic zinc species are configurationally stable and give excellent regio- and diastereo-selectivities.
Preparation and Reactions of Masked Allylic Organozinc Reagents
作者:Philip Jones、Paul Knochel
DOI:10.1021/jo981623m
日期:1999.1.1
Allyliczinc reagents have been prepared from sterically hindered homoallylic alcohols 10 and 13, using a novel fragmentation reaction of the corresponding zinc alkoxide, without any homocoupling products. These allyliczinc reagents react with a range of electrophiles in good to excellent yields. Substitutedallyliczinc reagents have also been prepared in this manner. alpha-Substituted homoallylic