Issue 48, 2011
From the journal:

Chemical Communications

Novel semisquaraine regioisomers: isolation, divergent chemical reactivity and photophysical properties†

Rekha R. Avirah,a   Kuthanapillil Jyothish,a   Cherumuttathu H. Suresh,b   Eringathodi Sureshc  and  Danaboyina Ramaiah*a  

* Corresponding authors

a Chemical Sciences and Technology Division, National Institute for Interdisciplinary Science and Technology (NIIST-CSIR), Trivandrum 695 019, India
E-mail: rama@niist.res.in, d_ramaiah@rediffmail.com

b Computational Modelling and Simulation, National Institute for Interdisciplinary Science and Technology (NIIST-CSIR), Trivandrum 695 019, India

c Central Salt and Marine Chemicals Research Institute, Bhavnagar, India

Abstract

A zwitterionic semisquaraine 1,3-regioisomer which exhibits distinct photophysical properties and chemical reactivity was isolated. Uniquely, this isomer has been identified as the reactive intermediate in the squaraine dye formation reaction rather than the neutral 1,2-isomer and opens up new avenues for the synthesis of novel dyes for optoelectronic applications.

Graphical abstract: Novel semisquaraine regioisomers: isolation, divergent chemical reactivity and photophysical properties

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Article information

DOI
https://doi.org/10.1039/C1CC15261K
Article type
Communication
Submitted
24 Aug 2011
Accepted
19 Oct 2011
First published
03 Nov 2011

Chem. Commun., 2011,47, 12822-12824

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Novel semisquaraine regioisomers: isolation, divergent chemical reactivity and photophysical properties

R. R. Avirah, K. Jyothish, C. H. Suresh, E. Suresh and D. Ramaiah, Chem. Commun., 2011, 47, 12822 DOI: 10.1039/C1CC15261K

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