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Title: Photo-reorganization of some 3-alkoxy-2-(alkoxyphenyl)chromones
Authors: Kamboj, Ramesh C
Berar, Urmila
Berar, Surinder
Thakur, Mandeep
Gupta, Satish C
Keywords: Chromone;photoirradiation;H-abstraction;tetracyclics;photocyclisation
Issue Date: May-2009
Publisher: CSIR
Abstract: A photo-reorganization of 3-alkoxy-2-(alkoxyphenyl)chromones to the isomeric angular tetracyclic compounds through the 1,4-biradical generated by the excited carbonyl group through the γ-hydrogen abstraction has been described. Substituent effect of the 3-alkoxy group and the effect of position of alkoxy group in the 2-phenyl ring are explained.
Page(s): 685-691
ISSN: 0376-4699
Appears in Collections:IJC-B Vol.48B(05) [May 2009]

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