Supramolecular synthon polymorphism in 2 : 1 co-crystal of 4-hydroxybenzoic acid and 2,3,5,6-tetramethylpyrazine‡

Literature Information

Publication Date 2007-03-09
DOI 10.1039/B700082K
Impact Factor 6.222
Authors

B. R. Sreekanth, Peddy Vishweshwar, K. Vyas


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Abstract

Co-crystals of 4-hydroxybenzoic acid and 2,3,5,6-tetramethylpyrazine (2 : 1) exhibit the first supramolecular synthon polymorphism in a co-crystal; metastable anti-hierarchic polymorph I converts to stable hierarchic form II.

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