(S)-tert-butyl 4-ethyl-8,9-dihydro-9-methylbenzo[g]indole-1-carboxylate 在
thallium(III) nitrate trihydrate 、 sodium tetrahydroborate 作用下,
以
乙腈 为溶剂,
反应 0.41h,
以50%的产率得到(6S,8S)-tert-butyl 4-ethyl-7,8-dihydro-6-(hydroxymethyl)-8-methylcyclopenta[g]indole-1(6H)-carboxylate