Issue 14, 2011

Synthon polymorphism and pseudopolymorphism in co-crystals. The 4,4′-bipyridine–4-hydroxybenzoic acid structural landscape

Abstract

Co-crystals of 4,4′-bipyridine and 4-hydroxybenzoic acid (1 ∶ 2) show synthon polymorphism with the former being more stable. A 2 ∶ 1 co-crystal is pseudopolymorphic within the same structural landscape with the structural roles of the two bipyridine N-atoms being distinct, as evidenced by mimicry by 4-phenylpyridine.

Graphical abstract: Synthon polymorphism and pseudopolymorphism in co-crystals. The 4,4′-bipyridine–4-hydroxybenzoic acid structural landscape

Supplementary files

Article information

Article type
Communication
Submitted
31 dec 2010
Accepted
11 feb 2011
First published
02 mar 2011

Chem. Commun., 2011,47, 4090-4092

Synthon polymorphism and pseudopolymorphism in co-crystals. The 4,4′-bipyridine–4-hydroxybenzoic acid structural landscape

A. Mukherjee and G. R. Desiraju, Chem. Commun., 2011, 47, 4090 DOI: 10.1039/C0CC05857B

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