申请人:Speedel Experimenta AG
公开号:US07625893B2
公开(公告)日:2009-12-01
Compounds of the general formula (I) and the salts thereof, preferably the pharmaceutically acceptable salts thereof; in which R1 is straight-chain C1-8-alkanoyloxy, straight-chain C1-8-alkoxy, straight-chain C1-8-alkoxy-straight-chain-C1-8-alkoxy, straight-chain C1-8-alkoxycarbonylamino, straight-chain C0-8-alkylcarbonylamino, optionally N-mono- or N,N-di-C1-8-alkylated amino or hydroxy or straight-chain omega-hydroxy-C1-8-alkyl.
通式(I)及其盐,优选为药物可接受的盐;其中R1是直链C1-8-烷酰氧基、直链C1-8-烷氧基、直链C1-8-烷氧基-直链C1-8-烷氧基、直链C1-8-烷氧羰基氨基、直链C0-8-烷基羰基氨基、可选为N-单或N,N-二-C1-8-烷基化的氨基或羟基或直链ω-羟基-C1-8-烷基。