A three-component condensation of methyl-2-isothiocyanatobenzoate, sulfur and cyanoacetamides or cyanoacetic esters furnishes compounds containing the new heterocyclic system-1-thioxo[1,3]thiazolo[3,4-a]quinazolin-5(4H)-one. The antimicrobial and fungicidal activities of these synthesized compounds were tested.

中文翻译：

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5-oxo-1-tioxo-4,5-dihydro[1,3]thiazolo[3,4-a]quinazolines的合成及抗菌活性

2-异硫氰酸基苯甲酸甲酯、硫和氰基乙酰胺或氰基乙酸酯的三组分缩合提供含有新杂环系统-1-硫代[1,3]噻唑并[3,4-a]喹唑啉-5(4H)-one的化合物. 测试了这些合成化合物的抗微生物和杀真菌活性。