28666-85-5

Usage

Molecular structure

Contains a central bicyclic ring system with four carbon atoms and two nitrogen atoms, two methyl groups, and a thiol functional group

Anion

Perchlorate anion, giving it a positive charge

Potential applications

Organic synthesis, coordination chemistry, pharmacology

InChI:InChI=1/C8H9N2S.ClHO4/c1-6-5-7(2)10-3-4-11-8(10)9-6;2-1(3,4)5/h3-5H,1-2H3;(H,2,3,4,5)/q+1;/p-1

Upstream product

• 40253-83-6 2-amino-1,3-thiazolium perchlorate 
• 123-54-6 acetylacetone 
• 96-50-4 2-thiazolylamine 

Relevant academic research and scientific papers

Synthesis of reactive condensation products of acetylacetone and their transformation into deeply coloured methine dyes

Starting from acetylacetone 1, boric acid and a diol, or a 2-aminothiazole 16 and perchloric acid several dimethyl-substituted 1,3,2-dioxaborines 5 and thiazolo[3,2-a]pyrimidinium salts 17, resp., have been prepared and transformed by raction with 4-N,N-dimethylamino-benzaldehyde 3a or 3-methyl-2-methylmercapto-benzthiazolium perchlorate 13 into deeply colored polymethine dyes 11, 12, 14, 15, and 18-21, and 23-24 their spectroscopic data were recorded. Wiley-VCH Verlag GmbH, 2000.

Synthesis of [1,3,4]thiadiazolo[3,2-a]pyrimidines in the presence of formic acid

Formic acid-phosphorus pentoxide was effective for the preparation of 5,7-dimethyl[1,3,4]thiadiazolo- and -[1,3]thiazolo[3,2-a]pyrimidin-4-ium salts. Further, the pyrimidine ring transformation and the isocyanation of 5imino-6H-[1,3,4]thiadiazolo- and -[1,3]thiazolo[3,2-a]pyrimidin-7-ones were carried out in the presence of formic acid and triethyl orthoformate, respectively.