[(3R,4S,5R,6R)-6-(3-amino-4-hydroxy-8-methyl-2-oxochromen-7-yl)oxy-5-hydroxy-3-methoxy-2,2-dimethyloxan-4-yl] 5-methyl-1H-pyrrole-2-carboxylate 、
1-(cyclopropylmethyl)-1H-imidazole-4-carboxylic acid 在
吡啶 、
盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺 作用下,
以
四氢呋喃 、
水 为溶剂,
生成 (3R,4S,5R,6R)-6-((3-(1-(cyclopropylmethyl)-1H-imidazole-4-carboxamido)-4-hydroxy-8-methyl-2-oxo-2H-chromen-7-yl)oxy)-5-hydroxy-3-methoxy-2,2-dimethyltetrahydro-2H-pyran-4-yl 5-methyl-1H-pyrrole-2-carboxylate