Agarwal, Neeraj ; Ravikanth, Mangalampalli (2004) Synthesis of β-pyrrole and β-thiophene substituted 21,23-dithia and 21-monothiaporphyrins Tetrahedron, 60 (21). pp. 4739-4747. ISSN 0040-4020
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Official URL: http://www.sciencedirect.com/science/article/pii/S...
Related URL: http://dx.doi.org/10.1016/j.tet.2004.03.047
Abstract
A series of β-pyrrole and β-thiophene substituted porphyrins with N2S2 and N3S porphyrin cores were synthesized and characterized. The introduction of substituents at β-pyrrole and β-thiophene carbons resulted in significant shifts in 1H NMR, absorption and fluorescence maxima. These effects were attributed to alteration of the porphyrin ring current caused by substituents at β-positions.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | β Substituted Porphyrins; Core-modified Porphyrins; Bathochromic Shifts; Non-planarity |
| ID Code: | 104530 |
| Deposited On: | 01 Dec 2017 10:51 |
| Last Modified: | 01 Dec 2017 10:51 |
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