Patent ID: 6392061
Filing Date: 2002-05-21
Classification: C07C,C07D

Abstract:
An intermediate compound according to the formula: wherein:R1 and R3 are each independently a C5 to C18 straight or branched alkyl chain which can be interrupted by 1 or 2 alkenyl double bonds, and R2 is hydrogen or an alcohol protecting group R10, wherein R10 can be replaced by a hydrogen atom via ester hydrolysis or hydrogenation ether degradation, and R10 is selectively removable with respect to the R6 alcohol protecting group, and wherein R10 is a member selected from the group consisting of tetrahydropyran, benzyl, t-butyldimethylsilyl and the like, R6 is an alcohol protecting group that is selectively removable with respect to the R10 group, wherein R6 is selected from the group consisting of is selected from the group consisting of tetrahydropyran, benzyl, t-butyldimethylsilyl and the like, R9 is H or an acid protecting group, such as a lower alkyl ester group, benzyl group and the like, or, a salt thereof.