Novel Host Compounds, 1,1′-Binaphthyl-2,2′-Dihydroxy-5,5′- and 6,6′-Dicarboxylic Acid, which Trap Guest Molecules Tightly in their Inclusion Crystals |
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Authors: | Koichi Tanaka Hideyuki Takano Zofia Urbanczyk-lipkowska |
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Institution: | (1) Department of Applied Chemistry, Faculty of Engineering & High Technology Research Center, Kansai University, 564-8680 Suita, Osaka, Japan;(2) Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warszawa, Poland |
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Abstract: | The host compounds 1,1’-binaphthyl-2,2′-dihydroxy-5,5′-dicarboxylic acid (1) and 1,1′-binaphthyl-2,2′-dihydroxy-6,6′-dicarboxylic acid (2) have been synthesized, and their inclusion properties have been studied. Inclusion complexes formed by 1 and 2 with volatile guests such as acetone and methanol release the guests only at much higher temperatures than their boiling
points. The crystal structures of the inclusion complexes have been determined from single crystal X-ray diffraction data
and show different host lattices. |
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Keywords: | carboxylic acid hosts hydrogen bonding Inclusion crystals X-ray structure analysis |
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