Benzofurancarboxylic acid derivatives, their preparation and their inclusion in lipogenesis inhibiting compositions
申请人:SHELL INTERNATIONALE RESEARCH
MAATSCHAPPIJ B.V.
公开号:EP0019955A1
公开(公告)日:1980-12-10
This invention relates to benzofuran carboxylic acid derivatives.
There are provided benzofurancarboxylic acid derivatives of formula
wherein R is a substituent at the 5-position on the benzofuran ring system and is a thienyl group, or a phenyl, phenoxy, benzyl or benzoyl group substituted by a group selected from alkoxy of 1 to 6 carbon atoms, hydroxy, acetyl, acetyloxy, 1-hydroxyethyl, acetamido and amino, or is a substituent at the 4-position of the benzofuran ring system and is a phenoxy group optionally substituted by a group selected from alkyl and alkoxy of 1 to 6 carbon atoms, hydroxy, acetyloxy, 1-hydroxyethyl, acetamido, amino, fluoro, chloro, bromo and nitro; R and R2 represent hydrogen atoms or R and R2 together represent a single chemical bond; and R3 represents a hydroxy group, an alkoxy group of from 1 to 4 carbon atoms or a 2-propenyloxy group, or, when R1 and R2 represent hydrogen atoms, a 2-propenylamino group; processes for their preparation, lipogenesis inhibiting compositions containing them and the preparation of such compositions.
Compounds of formula I have exhibited lipogenesis inhibiting activity in mammalian tissue.
本发明涉及苯并呋喃羧酸衍生物。
本发明提供了式如下的苯并呋喃羧酸衍生物
其中 R 是苯并呋喃环系统 5 位上的取代基,并且是噻吩基,或被选自 1 至 6 个碳原子的烷氧基、羟基、乙酰基、乙酰氧基、1-羟乙基、乙酰氨基和氨基的基团取代的苯基、苯氧基、苄基或苯甲酰基、或苯并呋喃环系统 4 位上的取代基,且是被选自 1 至 6 个碳原子的烷基和烷氧基、羟基、乙酰氧基、1-羟乙基、乙酰氨基、氨基、氟基、氯基、溴基和硝基的基团任选取代的苯氧基;R 和 R2 代表氢原子或 R 和 R2 共同代表一个化学键;以及 R3 代表羟基、1 至 4 个碳原子的烷氧基或 2-丙烯氧基,或当 R1 和 R2 代表氢原子时,代表 2-丙烯氨基;其制备方法、含有它们的脂肪生成抑制组合物以及此类组合物的制备方法。
式 I 的化合物在哺乳动物组织中具有抑制脂肪生成的活性。