1-O-(1-chloroethyl) 3-O-(2-methoxyethyl) 5-O-propan-2-yl 2,6-dimethyl-4-(3-nitrophenyl)-4H-pyridine-1,3,5-tricarboxylate 、
Potassium; 4-tert-butoxycarbonylamino-butyrate 在
四丁基碘化铵 作用下,
以
1,4-二氧六环 为溶剂,
反应 8.0h,
生成 3-O-(2-methoxyethyl) 1-O-[1-[4-[(2-methylpropan-2-yl)oxycarbonylamino]butanoyloxy]ethyl] 5-O-propan-2-yl 2,6-dimethyl-4-(3-nitrophenyl)-4H-pyridine-1,3,5-tricarboxylate