Compounds of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 each are independently hydrogen, halogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy or trifluoromethyl; R is hydrogen, C.sub.1-4 alkyl or phenyl; A is ##STR2## R.sup.5 is hydrogen, a hydrolyzable ester group or a cation to form a non-toxic pharmaceutically acceptable salt, are novel antihypercholesterolemic agents which inhibit cholesterol biosynthesis. Intermediates and processes for their preparation are disclosed.
该文描述的是一种新型抗高
胆固醇药物,其
化学式为:##STR1## 其中,R1、R2、R3和R4分别独立地为氢、卤素、C.sub.1-4烷基、C.sub.1-4烷氧基或三
氟甲基;R为氢、C.sub.1-4烷基或苯基;A为##STR2## R5为氢、可
水解酯基或阳离子以形成非毒性药学上可接受的盐。该药物通过抑制
胆固醇生物合成发挥作用。同时,文中还介绍了该药物的中间体和制备方法。