There is provided benzofuryl-&agr;-pyrone derivative represented by the following structural formula (I):
1
wherein R
1
represents a hydrogen atom or an alkyl group of 1 to 5 carbons;
R
2
represents hydrogen, —CO—R
5
or —SO
2
R
6
;
R
3
represents hydrogen, an alkyl group of 1 to 5 carbons, etc.; and
R
4
is a substituent attached to the 4-carbon, 5-carbon, 6-carbon or 7 carbon of the benzofuran ring; and their salts. The compounds are useful as therapeutic agent for hypertriglyceridemia, lipid metabolism enhancers, or prophylactic and/or therapeutic agents for arteriosclerosis.
提供了下列结构式(I)所表示的
苯并呋喃基-&agr;-
吡喃酮衍
生物:其中,R1代表
氢原子或1到5个
碳原子的烷基;R2代表
氢、—CO—R5或—SO2R6;R3代表
氢、1到5个
碳原子的烷基等;而R4是连接在
苯并呋喃环的4
碳、5
碳、6
碳或7
碳上的取代基。这些化合物可用作治疗高三酰
甘油血症、脂质代谢增强剂、或动脉硬化的预防和/或治疗剂。它们的盐也是有用的。