A simple alternative method for preparing Sn(IV) porphyrins
DSpace at IIT Bombay
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Title |
A simple alternative method for preparing Sn(IV) porphyrins
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Creator |
SHETTI, VS
RAVIKANTH, M |
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Subject |
meso-furyl groups
photophysical properties fluorescence properties tin(iv) porphyrins state properties homo-porphyrin sub-units dyads complexes arrays tin porphyrin alternative method chloroform ethanol meso-substituents spectral properties |
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Description |
Sn(IV) porphyrins are highly desirable for various applications because of their stability, their preference for oxygen-donor ligands and because they possess properties which can be easily characterized using various spectroscopic techniques. The most established method for the preparation of the Sn(IV) porphyrins is refluxing the porphyrin with SnCl(2)center dot 2H(2)O in pyridine as solvent. Although this method works efficiently, we found that the work-up results in a lot of unwanted materials and using large quantities of pyridine as solvent is not good under laboratory conditions. In this paper, we show that the Sn(IV) porphyrins can be prepared easily by treating porphyrin with SnCl(2)center dot 2H(2)O in chloroform, dichloromethane and toluene as solvent containing 25-50% ethanol as co-solvent. The reaction works smoothly and involves simple work-up and straightforward chromatographic purification. The method works efficiently for meso and beta-substituted porphyrins. The spectral and electrochemical properties of various Sn(IV) were studied and our studies showed that the properties are sensitive to the nature of substituent present at the meso-position.
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Publisher |
WORLD SCI PUBL CO INC
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Date |
2011-09-01T23:32:15Z
2011-12-26T12:59:50Z 2011-12-27T05:52:49Z 2011-09-01T23:32:15Z 2011-12-26T12:59:50Z 2011-12-27T05:52:49Z 2010 |
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Type |
Article
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Identifier |
JOURNAL OF PORPHYRINS AND PHTHALOCYANINES, 14(4), 361-370
1088-4246 http://dx.doi.org/10.1142/S1088424610002124 http://dspace.library.iitb.ac.in/xmlui/handle/10054/12895 http://hdl.handle.net/10054/12895 |
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Language |
en
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