Calix[4]arenes with three different substituents in ABAC pattern at the upper rim of calix are synthesized by '3 + 1' fragmentation condensation reaction between trimer of p-substituted phenol (ABA) and 2.6-bishydroxymethylated p-substituted phenol (C).
通过在对位取代
苯酚(A
BA)的三聚体和2.6-双
羟甲基化对位取代
苯酚(C)的'3 +1'片段缩合反应合成杯中杯上部边缘A
BAC模式中具有三个不同取代基的杯杯[4]
芳烃。