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Title: Synthesis and photochemical H-abstractions of some 2-thienyl/furyl-3-allyloxybischromones
Authors: Kumar, Rupesh
Yusuf, Mohamad
Keywords: Photoisomerization;bischromones;chromophore;spacer unit;photocyclisation
Issue Date: Feb-2010
Publisher: CSIR
Abstract: The photoirradiation of bischromones with trans-2-butenyl and 2-butynyl, has produced tetracyclic compounds and isomerized ethers as photoproducts. The formation of these photoproducts has been rationalized through H-abstraction by C=O group of the pyrone moiety. The chemical efficiency of the bischromone phototransformations is dictated by the nature of the intermediate spacer unit.
Page(s): 216-223
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections:IJC-B Vol.49B(02) [February 2010]

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