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A New Type of Amido-Substituted p-tert-Butylcalix
Organic Letters
|May 18, 2000
Abstract:
A convenient method for the synthesis of intramolecularly bridged calix[6]arenes by bis(chloroacetyl)amide was reported. A 1,3-singly bridged derivative and an asymmertical 1,3-4,5 doubly bridged derivative were obtained, respectively.