New double-1,2-amide-bridged calix[4]are
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Yong Wu; Xiao-ping Shen; Chun-ying Duan; Yong-jiang Liu; Zheng Xu
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Article
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1999
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Elsevier Science
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French
β 217 KB
A new facile method---aminolysis of calix[4]arene esters to obtain lower rim double-l,2-amide-bridged calix[4]arenes is described. We also report fl~e single crystal structure of compound 3 which forms a long chain supramolecule in the solid state via intermolecular hydrogen bonding.