劳森试剂 、
(+)-phenylmethyl N-[(3R)-2,3-dihydro-5-phenyl-2-oxo-1H-1,4-benzodiazepin-3-yl]carbamate 在
silica gel 、
ethyl acetate n-hexane 作用下,
以
甲苯 为溶剂,
反应 1.25h,
以to give phenylmethyl N-[(3R)-2,3-dihydro-5-phenyl-2-thioxo-1H-1,4-benzodiazepin-3-yl]carbamate的产率得到phenylmethyl N-[(3R)-2,3-dihydro-5-phenyl-2-thioxo-1H-1,4-benzodiazepin-3-yl]carbamate