[1,1'-biphenyl]-4,4'-diylbis(2-oxoethane-2,1-diyl) (3S,3'S)-bis(2-((methoxycarbonyl)-L-valyl)-8-oxa-2-azaspiro[4.5]decane-3-carboxylate) 在
ammonium acetate 作用下,
以
1,4-二氧六环 为溶剂,
反应 0.33h,
生成
dimethyl (4,4′-biphenyldiylbis{1H-imidazole-4,2-diyl(3S)-8-oxa-2-azaspiro[4.5]decane-3,2-diyl[(2S)-3-methyl-1-oxo-1,2-butanediyl]})biscarbamate