The key step in synthesis procedure: (Z)-4-arylidene-2-phenyl-5(4H)-oxazolones, easily abtained by Erlenmeyer reaction from hippuric acid and aromatic aldehydes, reacted with aryldiazomethane in toluene at r. t.
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释义
首先利用Erlenmeyer反应合成了(Z)-2-苯基-4-芳亚甲基?f唑-5-酮;
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