(4aS)-11-chloro-1t-methyl-(4ar,5ac,14at)-4a,5,5a,12,14,14a-hexahydro-1H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-4-carboxylic acid methyl ester 在
platinum(IV) oxide 氢气 作用下,
以
溶剂黄146 为溶剂,
生成 (4a
S)-1
t-methyl-(4a
r,5a
c,14a
t)-4a,5,5a,12,14,14a-hexahydro-1
H-pyrano[3',4':6,7]indolizino[1,2-
b]quinoline-4-carboxylic acid methyl ester