O-Aminoalkylsalicylates, process for their preparation, and their pharmaceutical compositions
申请人:INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
公开号:EP0031632A1
公开(公告)日:1981-07-08
Compounds of the formula
or pharmaceutically acceptable acid addition salts thereof (for example, a chloride) are useful as local anesthetics. In the compound of the formula (I), R is hydrogen or C1-C14 alkyl, ALK is C1-C4 alkylene, R1 and R2 may be the same or different and are hydrogen or C1-C6 alkyl or R, and R2 taken together form a 5 to 7 atom ring which contains 1 to 2 nitrogen atoms.
式中的化合物
或其药学上可接受的酸加成盐(例如氯化物)可用作局部麻醉剂。在式 (I) 的化合物中,R 是氢或 C1-C14 烷基,ALK 是 C1-C4 亚烷基,R1 和 R2 可以相同或不同,并且是氢或 C1-C6 烷基,或者 R 和 R2 共同形成一个含有 1 到 2 个氮原子的 5 到 7 个原子的环。