6-ethyl-N-[(1S,2R)-2-hydroxy-1-(phenylmethyl)-3-(tetrahydro-2H-pyran-4-ylamino)propyl]-1-methyl-1,3,4,6-tetrahydro[1,2]thiazepino[5,4,3-cd]indole-8-carboxamide 2,2-dioxide 、
二碳酸二叔丁酯 以
二氯甲烷 为溶剂,
生成
1,1-dimethylethyl((2R,3S)-3-{[(6-ethyl-1-methyl-2,2-dioxido-1,3,4,6-tetrahydro[1,2]thiazepino[5,4,3-cd]indol-8-yl)carbonyl]amino}-2-hydroxy-4-phenylbutyl)tetrahydro-2H-pyran-4-yl carbamate