(1S,2R)-2-({[4-(benzyloxy)phenyl]sulfonyl}amino)-1-methylcyclopentanecarboxylic acid 、
卡特缩合剂 、
O-叔丁基羟胺 以
三乙胺 为溶剂,
以(1S,5R)-6-{[4-(benzyloxy)phenyl]sulfonyl}-1-methyl -6-azabicyclo[3.2.0]heptan-7-one was obtained (480 mg, 1.29 mmol, 74%) as a colorless solid的产率得到(1S,5R)-6-{[4-(benzyloxy)phenyl]sulfonyl}-1-methyl-6-azabicyclo[3.2.0]heptan-7-one