5025-82-1Relevant articles and documents
PROCESS FOR OBTAINING MIXTURES OF 4-CARBOXY-1,3-THIAZOLIDINIUM CARBOXYLATE AND N-ACYL-1,3-THIAZOLIDIN-4-CARBOXYLIC ACID
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Page/Page column 8-9; 10, (2009/06/27)
The present invention relates to a process for obtaining in a single synthesis stage mixtures of 4-carboxy-1,3-thiazolidium carboxylate and N-acyl-1, 3-thiazolidin-4- carboxylic acids from 1,3-thiazolidin-4-carboxylic acids and derivatives of carboxylic acids, which has the following advantages: use of environmentally friendly solvents, lower energy consumption, lower consumption of acylating reagents, which allows the corresponding mixtures to be obtained with suitable characteristics and specifications, ease of recovery from the reaction medium and high yields.