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在ＫＦＡｌ２Ｏ３ 负载型固体碱催化下，２甲基苯并口恶唑和芳香醛发生缩合反应，高产率地合成了２芳基乙烯基苯并口恶唑（８０ ％ ９３％ ） ， 测定了产物在１５ 种溶剂中的紫外光谱，其最大吸收频率与Ｈａｍｍｅｔｔ 取代基常数之间存在良好的线性关系．
In KF Al2O3 supported solid base catalysis, 2 methylbenzoxazole and aromatic aldehydes condensation reaction, the synthesis of 2 aryl vinyl benzoxazole (80% 93%) with high yield, measured The UV spectrum of the product in 15 solvents showed a good linear relationship between the maximum absorption frequency and the Hammett substituent constants.