Ethyl 6-(1-t-butoxycarbonyl-4-piperidyl)-2-trifluoromethanesulfonyloxyhexanoate 、
(2S,6R)-6-氨基-5-氧代-2-(2-噻吩基)四氢-1,4-硫氮杂卓-4-乙酸叔丁酯 生成 t-butyl α-{6(R)-[5-(1-t-butoxycarbonyl-4-piperidyl)-1(R)-ethoxycarbonylpentylamino]-5-oxo-2(S)-(2-thienyl)perhydro-1,4-thiazepin-4-yl}acetate