Publication details

A regioselectivity of electrophilic attacks to 5-amino-3-thioxo-3H-1,2-dithiole-4-carboxylic acid functional derivatives. An elucidation of product structures

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Authors

ČMELÍK Richard MAREK Jaromír PAZDERA Pavel

Year of publication 2002
Type Article in Periodical
Magazine / Source Heterocyclic Communications
MU Faculty or unit

Faculty of Science

Citation
Field Organic chemistry
Keywords regioselectivity; 1;2-dithiole; alkylation; acylation; 1;2-dithiolium; hydrogen bonding; X-ray structural analysis
Description An acylation of 5-amino-3-thioxo-3H-1,2-dithiole-4-carboxylic acid functional derivatives led to the formation of N-acyl compound via S-acyl intermediate. On the other hand, alkylation occurred only at the sulfur atom of thioxo group. Structure elucidation of both types of products was done by IR, 1H, 13C NMR and X-ray structural analysis.
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