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The host-guest complex of C-methyl resorcin[4]arene with coumarin and thiocoumarin has been characterized by single crystal X-ray diffraction technique. Structural analysis shows that the host forms an infinitie nanotubular array in which the guest coumarin shows a ‘head to tail’ arrangement of dimers held together by π...π interaction in the host framework. Similar structural motif is observed when...
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