Photodimerization of HCl salts of azastilbenes in the solid state

Barnali Mondal, Burjor Captain, V. Ramamurthy

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Abstract

A simple strategy that is based on conversion of an electron-rich pyridyl to an electron-deficient pyridinium ion is able to orient thirteen of the sixteen olefins investigated towards a single dimer in quantitative yield in the crystalline state. The reagent used is HCl, the method involves grinding the olefin with a drop of HCl and the dimerization is achieved by exposure of the crystalline stilbazolium·HCl salts to light. The weak force involved in modifying the crystal packing is most likely charge-transfer interaction.

Original languageEnglish (US)
Pages (from-to)891-894
Number of pages4
JournalPhotochemical and Photobiological Sciences
Volume10
Issue number6
DOIs
StatePublished - Jun 1 2011

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ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

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