Neena, Kalluvettukuzhy K and Thilagar, Pakkirisamy (2016) Conformational Restrictions in meso-(2-Thiazolyl)-BODIPYs: Large Stokes Shift and pH-Dependent Optical Properties. In: CHEMPLUSCHEM, 81 (9). pp. 955-963.
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The design, synthesis, and characterization of a series of thiazole-appended boron-dipyrromethene (BODIPY) derivatives 1-4 is reported. The fluorescence emission colors of 1-4 were fine-tuned by modulating the dihedral angle between BODIPY and thiazole by judiciously varying the number of methyl substituents on both the BODIPY and thiazole moieties. Compounds1 and 2 with fewer methyl substituents on the BODIPY core showed a large Stokes shift (approximate to 110nm) relative to derivatives 3 and 4 with more methyl substituents. In addition, the optical properties of 1 and 2 are sensitive to the pH of the medium. The experimentally observed results were corroborated with theoretical calculations.
| Item Type: | Journal Article |
|---|---|
| Publication: | CHEMPLUSCHEM |
| Additional Information: | Copy right for this article belongs to the WILEY-V C H VERLAG GMBH, POSTFACH 101161, 69451 WEINHEIM, GERMANY |
| Department/Centre: | Division of Chemical Sciences > Inorganic & Physical Chemistry |
| Date Deposited: | 03 Dec 2016 09:27 |
| Last Modified: | 03 Dec 2016 09:27 |
| URI: | http://eprints.iisc.ac.in/id/eprint/55353 |
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