Mechanochemical preparation of adducts (co-crystals and molecular salts) of 1, 4-diazabicyclo-2.2. 2-octane with aromatic polycarboxylic acids

Marivel, Samipillai and Braga, Dario and Grepioni, Fabrizia and Lampronti, Giulio I. (2010) Mechanochemical preparation of adducts (co-crystals and molecular salts) of 1, 4-diazabicyclo-2.2. 2-octane with aromatic polycarboxylic acids. CrystEngComm, 12 (7). pp. 2107-2112. ISSN 1466-8033 DOI 10.1039/B922915A

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Abstract

Solid-state adducts (co-crystals and molecular salts) of 1,4-diazabicyclo-[2.2.2]-octane (DABCO) with aromatic polycarboxylic acids (isophthalic acid, isoH2, dinicotinic acid, dinH2 and dipicolinic acid, dipH2) were prepared in the solid state by grinding and kneading techniques, and fully characterized via X-ray diffraction. The polycarboxylic acids differ for the presence/absence and position of a nitrogen atom in the aromatic ring; the extent of proton transfer, from the carboxylic groups on the acids to the nitrogen atoms on DABCO, reflects the trend of solution acidity of the three polycarboxylic acids.

Item Type:	Article
Uncontrolled Keywords:	NILAREP
Subjects:	03 - Mineral Sciences 99 - Other
Divisions:	03 - Mineral Sciences
Journal or Publication Title:	CrystEngComm
Volume:	12
Page Range:	pp. 2107-2112
Identification Number:	10.1039/B922915A
Depositing User:	Giulio Isacco Lampronti
Date Deposited:	14 Aug 2015 17:23
Last Modified:	17 Aug 2015 11:56
URI:	http://eprints.esc.cam.ac.uk/id/eprint/3440

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