Compounds of the formula
wherein
R¹, R², R³, and R⁴ each are independently hydrogen, halogen, C₁₋₄alkyl, C₁₋₄alkoxy or trifluoromethyl;
R is hydrogen, C₁₋₄alkyl or phenyl;
R⁵ is hydrogen, a hydrolyzable ester group or a cation to form a non-toxic pharmaceutically acceptalbe salt,
are novel antihypercholesterolemic agents which inhibit cholesterol biosynthesis. Intermediates and processes for their preparation are disclosed.
式中的化合物
其中
R¹、R²、R³ 和 R⁴ 各自独立地为氢、卤素、C₁₋₄烷基、C₁₋₄烷氧基或三
氟甲基;
R 是氢、C₁₋₄烷基或苯基;
R⁵ 是氢、可
水解的酯基或阳离子,以形成无毒的药学上可接受的盐、
是新型抗
胆固醇药物,可抑制
胆固醇的
生物合成。本研究还公开了用于制备这些药物的中间体和工艺。