2,5-PRODAN: synthesis and properties
- 31 January 2011
- journal article
- research article
- Published by Springer Science and Business Media LLC in Photochemical & Photobiological Sciences
- Vol. 10 (4), 618-622
- https://doi.org/10.1039/c0pp00377h
Abstract
The preparations of 1-(6-(dimethylamino)naphthalen-1-yl)propan-1-one (2,5-PRODAN, 2) and 7-(dimethylamino)-2,3-dihydrophenanthren-4(1H)-one 3 are described. The photophysical properties of these compounds are characterized and compared with those of PRODAN. Both compounds show solvatochromism that is similar in magnitude to PRODAN with a quantum yield that is nearly one order of magnitude smaller. Emission occurs from a locally excited (LE) state with charge-transfer character. There is no internal conversion to a different charge-transfer state as is seen in PRODAN.Keywords
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