3'-[4-({7-[3,5-bis(trifluoromethyl)phenyl]-5-oxo-6-oxa-4-azaspiro[2.4]hept-4-yl}methyl)-2-(dimethylamino)pyrimidin-5-yl]-4'-methoxy-2-methylbiphenyl-4-carboxylic acid 在
二乙胺 作用下,
以
异丙醇 为溶剂,
生成 3'-[4-({(7S)-7-[3,5-bis(trifluoromethyl)phenyl]-5-oxo-6-oxa-4-azaspiro[2.4]hept-4-yl} methyl)-2-(dimethylamino)pyrimidin-5-yl]-4'-methoxy-2-methylbiphenyl-4-carboxylic acid 、 3'-[4-({(7R)-7-[3,5-bis(trifluoromethyl)phenyl]-5-oxo-6-oxa-4-azaspiro[2.4]hept-4-yl}methyl)-2-(dimethylamino)pyrimidin-5-yl]-4'-methoxy-2-methylbiphenyl-4-carboxylic acid