Octahydroindolizidines of the formula (I):
where A is a 3-7 carbon or hetero-containing ring, R' is a substituent and x is 0-3. Also, pharmaceutical composition for treating pain and methods for synthesis and use as well as novel intermediates in the synthesis.
式(I)的
八氢吲嗪类化合物:
其中 A 是 3-7 个含碳或含杂环,R'是取代基,x 是 0-3。此外,还有治疗疼痛的药物组合物、合成和使用方法以及合成过程中的新型中间体。