Crystal structures of а series of 1-substituted imidazol-4,5-dicarboxylic acids-Reference-Cited by-同舟云学术

Crystal structures of а series of 1-substituted imidazol-4,5-dicarboxylic acids

Published:2023-12-06 Issue:0 Volume:0 Page:
ISSN:2194-4946
Container-title:Zeitschrift für Kristallographie - Crystalline Materials
language:en
Short-container-title:

Author:

Brusina Maria A.¹^ORCID,Gurzhiy Vladislav V.²,Myznikov Leonid V.¹³,Iljin Viktor V.¹,Ramsh Stanislav M.³,Piotrovskiy Levon B.¹

Affiliation:

1. Institute of Experimental Medicine , 12 Akad. Pavlov St, 197022 , St. Petersburg , Russia

2. Institute of Earth Sciences, St. Petersburg State University , University Emb 7/9, 199034 , St. Petersburg , Russia

3. St. Petersburg State Technological Institute , 26 Moscow Ave, 190013 , St. Petersburg , Russia

Abstract

Abstract Crystal structure of a series of 1-alkylimidazole-4,5-dicarboxylic acids has been determined. It is shown that an increase in the length of the alkyl group leads to drastic changes in the crystal and molecular structures. 1-Methyl and 1-ethylimidazole-4,5-dicarboxylic acid crystallize in zwitterionic form, but 1-propyl- and 1-butylimidazole-4,5-dicarboxylic acid crystallize as rare equimolar mixture of neutral and zwitterionic tautomeric forms. The observed changes in the crystal and molecular structures are apparently associated with the steric factor, which determines both the packing method and the tautomeric composition of the unit cell.

Publisher

Walter de Gruyter GmbH

Subject

Inorganic Chemistry,Condensed Matter Physics,General Materials Science

Link

https://www.degruyter.com/document/doi/10.1515/zkri-2023-0022/pdf

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