Issue 10, 2002
From the journal:

Photochemical & Photobiological Sciences

Photochemical behaviour of 4-styrylcoumarin polymorphs in the crystalline state

Kodumuru Vishnumurthy,†*a   Tayur N. Guru Row*a  and  Kailasam Venkatesana  

* Corresponding authors

a Department of Organic Chemistry, Indian Institute of Science, Bangalore, India
E-mail: kvishnumurthy@hotmail.com

Abstract

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.

Graphical abstract: Photochemical behaviour of 4-styrylcoumarin polymorphs in the crystalline state

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Article information

DOI
https://doi.org/10.1039/B204387D
Article type
Paper
Submitted
07 May 2002
Accepted
05 Jul 2002
First published
01 Aug 2002

Photochem. Photobiol. Sci., 2002,1, 799-802

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Photochemical behaviour of 4-styrylcoumarin polymorphs in the crystalline state

K. Vishnumurthy, T. N. Guru Row and K. Venkatesan, Photochem. Photobiol. Sci., 2002, 1, 799 DOI: 10.1039/B204387D

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