Supramolecular metathesis: co-former exchange in co-crystals of pyrazine with (R, R)-,(S, S)-,(R, S)-and (S, S/R, R)-tartaric acid

Braga, Dario and Grepioni, Fabrizia and Lampronti, Giulio I. (2011) Supramolecular metathesis: co-former exchange in co-crystals of pyrazine with (R, R)-,(S, S)-,(R, S)-and (S, S/R, R)-tartaric acid. CrystEngComm, 13 (9). pp. 3122-3124. ISSN 1466-8033 DOI 10.1039/C0CE00576B

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Abstract

Co-crystals of dextro-(R,R), levo-(S,S), meso-(R,S) and racemic (R,R–S,S)-tartaric acid with pyrazine were obtained by manual kneading and slurry experiments; subsequent reactions in the solid state between these co-crystals and the various forms of tartaric acid in the solid state and via slurry show that co-former exchange takes place according to the sequence of stability [(R,S)-ta]2·py > (S,S/R,R)-ta·py > (R,R)-ta·py or (S,S)-ta·py.

Item Type: Article
Uncontrolled Keywords: NILAREP
Subjects: 03 - Mineral Sciences
Divisions: 03 - Mineral Sciences
99 - Other
Journal or Publication Title: CrystEngComm
Volume: 13
Page Range: pp. 3122-3124
Identification Number: 10.1039/C0CE00576B
Depositing User: Giulio Isacco Lampronti
Date Deposited: 14 Aug 2015 17:10
Last Modified: 14 Aug 2015 17:10
URI: http://eprints.esc.cam.ac.uk/id/eprint/3438

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