(S)-6-chloro-1-isobutyl-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole 、
1-Boc-4-哌啶甲酸 、 以to give (S)-(6-chloro-1-isobutyl-3,4-dihydro-1H-pyrido[3,4-b]indol-2(9H)-yl)(piperidin-4-yl)methanone (1.0 g, 54%) as a white solid的产率得到(S)-(6-chloro-1-isobutyl-3,4-dihydro-1H-pyrido[3,4-b]indol-2(9H)-yl)(piperidin-4-yl)methanone