Patent ID: 6136985
Filing Date: 2000-10-24
Classification: A61K,A61P,A61Q,C07C,C07D,C12P

Abstract:
A compound of the formula: ##STR7## wherein X and Y are independently O, S, or NR.sub.7 ; Z is O or S;R.sub.1 is C.sub.4 -C.sub.30 conjugated polyene;R.sub.2, R.sub.3, and R.sub.4, are independently hydrogen or C.sub.1 -C.sub.6 alkyl;R.sub.7 is hydrogen, C.sub.1 -C.sub.6 alkyl or a protecting group of an amide nitrogen, an amine nitrogen or an imine nitrogen; andR.sub.5 and R.sub.6 are independently hydrogen or C.sub.1 -C.sub.20 alkyl.