2-Chlor-7-ethyl-12,13-dimethoxy-6-oxo-9,10-dihydroisochino<2,1-d><1,4>-benzodiazepiniumbromid 在
sodium tetrahydroborate 作用下,
以
乙醇 为溶剂,
反应 3.0h,
生成 (7R,13bS)-12-Chloro-7-ethyl-2,3-dimethoxy-5,6,9,13b-tetrahydro-6a,9-diaza-benzo[6,7]cyclohepta[1,2-a]naphthalen-8-one 、 (7S,13bS)-12-Chloro-7-ethyl-2,3-dimethoxy-5,6,9,13b-tetrahydro-6a,9-diaza-benzo[6,7]cyclohepta[1,2-a]naphthalen-8-one