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Photochemical behaviour of 4-styrylcoumarin polymorphs in the crystalline state

Vishnumurthy, Kodumuru and Row, Tayur Guru N and Venkatesan, Kailasam (2002) Photochemical behaviour of 4-styrylcoumarin polymorphs in the crystalline state. In: Photochemical and Photobiological Sciences, 1 (10). pp. 799-802.

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Addition of a small amount of coumarin during crystallization produces new polymorphic modifications in 4-styrylcoumarin and 4-(3-fluorostyryl)coumarin, which are photolabile. Interestingly, upon irradiation polymorphic modification of 4-(3-fluorostyryl)coumarin produces a mirror-symmetric photodimer in contrast to the centrosymmetric photodimer obtained without addition of coumarin during crystallization.

Item Type: Journal Article
Publication: Photochemical and Photobiological Sciences
Publisher: Royal Society of Chemistry
Additional Information: Copyright of this article belongs to Royal Society of Chemistry.
Department/Centre: Division of Chemical Sciences > Organic Chemistry
Date Deposited: 22 Jul 2011 08:54
Last Modified: 22 Jul 2011 08:54
URI: http://eprints.iisc.ac.in/id/eprint/39354

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