Long alkyl groups were introduced to the upper rim of calix [4] arenes by Friedel-Crafts reaction of calix [4] arenes and long alkylating agents.

• 脱叔丁基的杯[4]芳烃与长链的叔醇或者叔氯代烷烃进行傅-克反应,在其上端引入长链烷基。