barnidipine

常見例句

The barnidipine hydrochloride were prepared via cyclocondensation from m-nitrobenzaldehyde, methyl acetoacetate and anmmonium bicarbonate, hydrolysis, esterification with opticaliy (S)-N-Benzyl-3-py-rrolidinol, recrystallisation and salification.
摘要研究了以碳酸氫銨，間硝基苯甲醛和乙醯乙酸甲酯爲原料，經(jīng)縮郃、部分水解，再與(s)-N-芐基－3-羥基吡咯烷經(jīng)酯化、分步重結晶、成鹽得到鹽酸巴尼地平的工藝路線。