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Title: Photochemistry of 6-chloro-3-hydroxy-2-(2'-thienyl)- 4-oxo-4H-1-benzopyran
Authors: Bala, Ritu
Kumar, Rupesh
Yusuf, Mohamad
Bansal, W R
Issue Date: Sep-2007
Publisher: CSIR
Abstract: On photolysis of the titled compound around its λmax (360 nm), it rearranges to 6-chloro-3-hydroxy-3-(2'-thienyl)-1,2-indandione as analysed by IR, NMR and by coupling with o-phenylenediamine. Quantitative analysis of the photolysed mixture by spectral measurements also confirms it. Quantum yield of the product is low (~0.05), which is not affected by the polarity of the solvent.
Description: 1440-1444
ISSN: 0376-4710
Appears in Collections:IJC-A Vol.46A(09) [September 2007]

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