1H-imidazole-5-carboxylic acid, 4-(1-hydroxy-1-methylethyl)-2-propyl-1-[2'-[2-(1-methyl-1-fenylethyl)-1H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl 、
4-氯甲基-5-甲基-1,3-二氧杂环戊烯-2-酮 在
sodium carbonate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 14.5h,
以35%的产率得到5-(1-hydroxy-1-methyl-ethyl)-3-{2'-[2-(1-methyl-1-phenyl-ethyl)-2H-tetrazol-5-yl]-biphenyl-4-yl-methyl}-2-propyl-3H-imidazol-4-carboxylic acid 5-methyl-2-oxo-[1,3]dioxol-4-yl-methyl ester