溴甲基环丙烷 、
(S)-tert-butyl (2-oxo-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepin-3-yl)carbamate 在
potassium carbonate 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
反应 49.0h,
以22%的产率得到(3S)-(5-cyclopropylmethyl-1-methyl-2-oxo-2,3,4,5-tetrahydro-1H benzo[b][1,5]diazepin-3-yl)-carbamic acid tert-butyl ester