[3aR-[3aα,4α,6a(R*),6aα]]-6-[7-[[1-[(3-chlorothien-2-yl)methyl]propyl]amino]-3H-imidazo(4,5-b)pyrid-3-yl] N-ethyl tetrahydro-2,2-dimethyl-4H-cyclopenta-1,3-dioxole-4-carboxamide 在
盐酸 、
sodium carbonate 作用下,
以
四氢呋喃 为溶剂,
反应 19.0h,
以75%的产率得到[1S-[1α,2β,3β,4α(S*)]]-4-[7-[[1-[(3-chlorothien-2-yl)methyl]propyl]amino]-3H-imidazo[4,5-b]pyrid-3-yl] N-ethyl 2,3-dihydroxycyclopentanecarboxamide