(8aR)-13-hydroxy-12-methoxy-8-methyl-5,6,7,8,8a,9-hexahydronaphto[3,2,1-ij]thiochromeno[3',2'-f]isoquinolin-5-one 在
甲烷磺酸 、
L-蛋氨酸 作用下,
以85%的产率得到(21R)-15,16-dihydroxy-22-methyl-10-thia-22-azahexacyclo[11.11.1.02,11.04,9.014,19.021,25]pentacosa-1(25),2(11),4,6,8,12,14(19),15,17-nonaen-3-one;hydrochloride