Formation of mono- and di-amide-calixarene derivatives from the reaction of p-tert-butyl-calixarene and alpha-chloro-N,N-diethylacetamide in the presence of sodium hydride
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The formation of mono- and di (1,2 and 1,3)-amide derivatives of p-tert-butylcalixarene in the presence of sodium hydride has been demonstrated. All the compounds have been purified and characterized by various spectral methods. Both H-1 and C-13 NMR spectra exhibit clear-cut differences between the 1,2-di- and 1,3-di-amide derivatives.
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