申请人:USV PHARMACEUTICAL CORPORATION
公开号:EP0039919A1
公开(公告)日:1981-11-18
An anti-allergic compound of the formula:
wherein,
X is S or O R1 and R2 are each H, R3, OR4, halogen, cyano, COOR4, methanesulfonyl, nitro, trifluoromethyl or taken together, methylenedioxy, wherein R3 is loweralkyl orcycloalkyl of 3 to 7 carbon atoms and R4 is hydrogen or lower alkyl; and
R is -Z-O-R3; -Z-N(R5R6); Z1-O-Z2-N(R5R6); -Z- heterocycle; -Z1-O-Z2-heterocycle; or-Z-O-C6H4R1 wherein each of R5 and R6 are hydrogen or lower alkyl, or when taken together with the nitrogen to which they are attached R5 and R6 form a nitrogen-heterocyclic ring, R1 and R3 have the meaning hereinbefore described, and Z,Z1 and Z2 are each branched or unbranched alkylene chain containing from 2 to about 6 carbon atoms in the principal chain and a total of up to about 12 carbon atoms; Z1 and Z2 when taken together with a hetero atom form a saturated heterocyclic ring; and heterocycle represents a heterocyclic ring containing one or more of the hetero atoms, oxygen, nitrogen and sulfur and acid addition and conjugate salts thereof.
一种抗过敏化合物,其式如下
其中
X是S或O R1和R2各自是H、R3、OR4、卤素、氰基、COOR4、甲磺酰基、硝基、三氟甲基或合起来是亚甲基二氧基,其中R3是3至7个碳原子的低级烷基或环烷基,R4是氢或低级烷基;以及
R 是-Z-O-R3;-Z-N(R5R6);Z1-O-Z2-N(R5R6);-Z-杂环;-Z1-O-Z2-杂环;或-Z-O-C6H4R1 其中 R5 和 R6 均为氢或低级烷基,或当 R5 和 R6 与它们所连接的氮一起形成氮杂环时,R1 和 R3 具有前文所述的含义,而 Z、Z1 和 Z2 均为支链或未支链亚烷基链,在主链中含有 2 至约 6 个碳原子,总共含有最多约 12 个碳原子;Z1和Z2与杂原子一起形成饱和杂环;杂环代表含有一个或多个杂原子、氧、氮和硫的杂环及其酸加成盐和共轭盐。