Studies on Calix(aza)crqwns,III. Synthesis of 1,3-Alternate Calix[4]arenes Capped by Diamide Bridges |
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| Authors: | István Bitter Alajos Grün Barbara Balázs Gábor Tóth Gyula Horváth László Töke |
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| Institution: | 1. Department of Organic Chemical Technology , Technical University of Budapest , H-1521, Budapest, Hungary;2. Technical Analytical Research Group of the Hungarian Academy of Sciences, Institute for General and Analytical Chemistry of the Technical University of Budapest , H-1521, Budapest, Hungary;3. Institute for Drug Research , H-1325, Budapest, Hungary |
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| Abstract: | The akylation of calix4]arenes 1 capped by diamide bridges gave fully substituted compounds 5 and 6 of 1,3-alternate conformation. Diesters 6 were cyclized with diamines to afford doubly capped derivatives 7. |
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