ethyl 3-bromo-2-(hydroxyimino)propanoate 、
benzyl 6-isopropyl-6,9,9-trimethyl-6,7,8,9-tetrahydro-1H-benzo[g]indol-4-ylcarbamate 在
sodium carbonate 作用下,
以
二氯甲烷 为溶剂,
以97%的产率得到ethyl 3-(4-(benzyloxycarbonylamino)-6-isopropyl-6,9,9-trimethyl-6,7,8,9-tetrahydro-1H-benzo[g]indol-3-yl)-2-(hydroxyimino)propanoate