Patent ID: 6432978
Filing Date: 2002-08-13
Classification: A61P,C07D

Abstract:
A compound, which is SF2809-I substance, SF2809-II substance, SF2809-III substance, SF2809-IV substance, SF2809-V substance or SF2809-VI substance each represented by the following formula (VII) wherein R1 is a hydrogen atom, phenyl group or p-hydroxyphenyl group, and R2 is acetylamino group â€”NHCOCH3 or hydroxyl group, and wherein R1 is hydrogen atom and R2 is acetylamino group for SF2809-I substance; R1 is p-hydroxyphenyl group and R2 is acetylamino group for SF2809-II substance; R1 is hydrogen atom and R2 is hydroxyl group for SF2809-III substance; R1 is p-hydroxyphenyl group and R2 is hydroxyl group for SF2809-IV substance; R1 is phenyl group and R2 is acetylamino group for SF2809-V substance; and R1 is phenyl group and R2 is hydroxyl group for SF2809-VI substance, or a pharmaceutically acceptable salt thereof.