Synthesis and specific fluoride binding properties of expanded dithiacalixphyrins
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Title |
Synthesis and specific fluoride binding properties of expanded dithiacalixphyrins
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Creator |
GANAPATHI, E
CHATTERJEE, T RAVIKANTH, M |
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Subject |
X-RAY-STRUCTURE
ANION-BINDING PORPHYRIN DYADS MESO-ARYL CALIXPYRROLES CALIXPHYRINS MACROCYCLES PORPHODIMETHENES PORPHOMETHENES |
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Description |
Expanded dithiacalixphyrins with the N2S2 core containing two sp(3) and three sp(2) meso-carbons have been prepared by condensation of one equivalent of butene-2,3-diyl-bisthiophene-2,5-diyl-bis(p-methoxy-phenylmethanol) with one equivalent of 5,5'-dialkyldipyrromethane under mild acid catalyzed conditions in decent yields. The expanded dithiacalixphyrins were characterized by HR-MS, 1D and 2D NMR techniques and the structure of one of the expanded dithiacalixphyrin macrocycles was solved by X-ray crystallography. The crystal structure analysis indicated that the macrocycle is highly distorted and attains a boat shaped structure. The expanded thiacalixphyrins showed a specific sensing ability for F-ions over other anions as judged from absorption, NMR and mass spectral studies.
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Publisher |
ROYAL SOC CHEMISTRY
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Date |
2016-01-15T06:48:32Z
2016-01-15T06:48:32Z 2015 |
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Type |
Article
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Identifier |
DALTON TRANSACTIONS, 44(6)2763-2770
1477-9226 1477-9234 http://dx.doi.org/10.1039/c4dt03215b http://dspace.library.iitb.ac.in/jspui/handle/100/17972 |
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Language |
en
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