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The bis(calix[4]arene) 3 was synthesized in moderate yield by the reaction of p-tert-butylcalix[4]arene (1) with 1,4-bis(chloromethyl)benzene (2). The conformation of all alkylated product 4 was investigated by the variable-temperature 1H-NMR.
The bis (calix [4] arene) 3 was synthesized in moderate yield by the reaction of p-tert-butylcalix [4] arene (1) with 1,4-bis product 4 was investigated by the variable-temperature 1H-NMR.