Ethyl 4-[2-[[(5-t-butoxycarbonyl-4,5,6,7-tetrahydrothieno[3,2-c]pyridin-2-yl)carbonyl]amino]ethyl]phenoxyacetate 、
sodium hydroxide 、
盐酸 在
四氢呋喃 作用下,
以
四氢呋喃 为溶剂,
反应 0.33h,
以to give 1.21 g of [[4-[[[(5-t-butoxycarbonyl-4,5,6,7-tetrahydrothieno[3,2-c]pyridin-2-yl)carbonyl]amino]acetyl]-o-phenylene]dioxy]diacetic acid的产率得到[[4-[[[(5-t-butoxycarbonyl-4,5,6,7-tetrahydrothieno[3,2-c]pyridin-2-yl)carbonyl]amino]acetyl]-o-phenylene]dioxy]diacetic acid