摘要:
The instant invention relates to a process for preparing a compound of formula (I): said process comprising a step (B) which consists in performing a Michael addition of a thioacid RS4H on to an &agr;-substituted acrylamide derivative. The invention also relates to the enantioselective synthesis of compounds of formula (I) wherein R2 is other than H, in the preferential (S, S) configuration:
摘要:
Alcohol, phosphate, and diacid derivatives that may be deprotected by irradiation are disclosed. The protecting group is an arylacyl or heteroarylacyl group.