| abstract |
(57) [Summary] [Structure] General formula (I); [Wherein R 1 and R 2 are H, halogen, an alkyl group, an alkyl group substituted with an alkyl group, a dialkylamino group or an aliphatic cyclic amino group which may have a hetero atom, an alkoxy group, N O 2 or R 1 and R 2 are bonded to form an alkylene group, R 3 and R 4 are H, halogen, an alkyl group, a haloalkyl group, an alkoxy group, an alkylthio group, R 5 , R 6 and R 7 are H and halogen. , An alkyl group, a haloalkyl group, a alkenyl group, an alkoxy group, an alkylthio group, a dialkylamino group, and X is —O. -, -S-, -N (R)-(R is an alkyl group, a phenylsulfonyl group, a toluenesulfonyl group)] -Heteroaryl-N'-phenylurea derivatives, salts thereof, production methods thereof, and ACAT inhibitors. [Effect] It has an ACAT inhibitory action, and is useful as a preventive or therapeutic agent for hypercholesterolemia, atherosclerosis and various diseases caused by these. |