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Article << Previous     |     Next >>   Contents Vol 65(4)

Polymorphism in 3-Pyridylsydnone: Preparative and Structural Aspects

Paul V. Bernhardt A B, David Kvaskoff A, Rakesh Naduvile Veedu A and Curt Wentrup A B

A School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane, Qld 4072, Australia.
B Corresponding authors. Email: p.bernhardt@uq.edu.au; wentrup@uq.edu.au

Australian Journal of Chemistry 65(4) 376-380 http://dx.doi.org/10.1071/CH12041
Submitted: 24 January 2012  Accepted: 1 March 2012   Published: 2 April 2012


 
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Abstract

Two polymorphs of 3-(3′-pyridyl)sydnone 4 have been investigated. It was established that the metastable P2/c form is the kinetically favoured product formed by recrystallization from solution, but this may be converted to the new, more stable, P21/c polymorph by sublimation or heating in the solid state.





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