(R)-1-苄基-3-氨基吡咯烷 、
(1R,3R)-2-(2-Chloro-acetyl)-1-(3-methoxy-phenyl)-2,3,4,9-tetrahydro-1H-β-carboline-3-carboxylic acid methyl ester 以
乙醇 为溶剂,
生成 (6R,12aR)-2-((R)-1-Benzyl-pyrrolidin-3-yl)-6-(3-methoxy-phenyl)-2,3,6,7,12,12a-hexahydro-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione