Compounds of the formula ##STR1## wherein R.sup.1 and R.sup.4 each are independently hydrogen, halogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, or trifluoromethyl; R.sup.2,R.sub.3,R.sup.5 and R.sup.6 each are independently hydrogen, halogen C.sub.1-4 alkyl or C.sub.1-4 alkoxy; tet is ##STR2## n is an integer of from 0 to 2, inclusive; A is ##STR3## R.sup.7 is hydrogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy(lower) alkyl or (2-methoxyethoxy)methyl; X is --OH or .dbd.O; and R.sup.8 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.
该化合物的式子为##STR1##其中R.sup.1和R.sup.4各自独立地为氢、卤素、C.sub.1-4烷基、C.sub.1-4烷氧基或三
氟甲基;R.sup.2、R.sub.3、R.sup.5和R.sup.6各自独立地为氢、卤素、C.sub.1-4烷基或C.sub.1-4烷氧基;tet为##STR2##n为0到2之间的整数;A为##STR3##R.sup.7为氢、C.sub.1-4烷基、C.sub.1-4烷氧基(较低)烷基或(2-甲氧基乙氧基)甲基;X为--OH或.dbd.O;R.sup.8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,是新型抗高
胆固醇血症药物,可抑制
胆固醇生物合成。公开了其制备的中间体和过程。