ArticleChemistryOpen2026
Efficient One-Pot Synthesis of Benzothiazole Compounds From Vinamidinium Salts.
Article in ChemistryOpen, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
In this study, the condensation reaction between vinamidinium salts and Z-2-hydrazineylidene-3-methyl-2,3-dihydrobenzo[d]thiazole is described for the synthesis of 1,3-bis((3-methylbenzo[d]thiazol-2(3H)-ylidene)hydrazineylidene)propan-2-ol (BBTA) or 1-((1Z,3E)-1-(dimethylamino)-3-(((Z)-3-methylbenzo[d]thiazol-2(3H)-ylidene)hydrazineylidene)prop-1-en-2-yl)pyridin-1-ium (DMBT). A noteworthy aspect of the synthesis of these derivatives is that the structure of the vinamidinium salt acts as the determining factor for the type of product formed. Specifically, phenyl-substituted vinamidinium salts predominantly lead to the formation of symmetric BBTA derivatives, whereas pyridinium-based vinamidinium salts favor the production of asymmetric DMBT compounds. The reaction was carried out in the presence of triethylamine as the base and acetonitrile as the solvent under catalyst-free conditions. The structure of the new products was confirmed based on their spectral data, including
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