Preparation and studies of the co-crystals of meloxicam with carboxylic acids

S. A. Myz, T. P. Shakhtshneider, N. A. Tumanov, E. V. Boldyreva

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Résumé

Mechanical treatment with addition of some liquid, crystallization from solutions, and heating of the mixture components preliminary subjected to mechanical treatment were the methods used for the preparation of the co-crystals of 4-hydroxy-2-methyl-N-(5-methylthiazol-2-yl)-2H-1,2-benzothiazin- 3-carboxamide 1,1-dioxide (meloxicam) with carboxylic acids. It was shown that preliminary mechanical treatment plays significant role for the synthesis, whereas the addition of small amounts of solvents accelerates the process. The co-crystals were obtained for 17 mixtures of meloxicam - carboxylic acid. The use of the co-crystals of meloxicam in the compositions of improved pharmaceutical forms was found promising, which was attributable to the fact that the dissolution rate and the solubility of the co-crystals of meloxicam with the carboxylic acids under study are higher than those for meloxicam itself.

langue originaleAnglais
Pages (de - à)1798-1809
Nombre de pages12
journalRussian Chemical Bulletin
Volume61
Numéro de publication9
Les DOIs
Etat de la publicationPublié - sept. 2012
Modification externeOui

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