ethyl 3,3-dimethyl-3H-indole-2-carboxylate 、
苄氧羰基半胱氨酸 以
苯 为溶剂,
生成
(10aS)-3c-benzyloxycarbonylamino-10,10-dimethyl-4-oxo-3,4-dihydro-2H,10H-[1,3]thiazino[3,2-a]indole-10ar-carboxylic acid ethyl ester 、 (10a
R)-3
t-benzyloxycarbonylamino-10,10-dimethyl-4-oxo-3,4-dihydro-2
H,10
H-[1,3]thiazino[3,2-
a]indole-10a
r-carboxylic acid ethyl ester