Open Access Open Access  Restricted Access Subscription Access

SYNTHESIS OF S-SUBSTITUTED 5-SULFONYLMETHYL(ETHYL)-1,3,4-THIADIAZOL-2-AMINES

Сергей А. Серков, Наталья В. Сигай, Наталия Н. Костикова, Александр Е. Федоров, Антон П. Тюрин, Галина А. Газиева
Cover Image

Abstract


A series of 1,3,4-thiadiazol-2-amines with substituents containing SO2 group located at position 5 were obtained in good yields (63–81%) by cyclization of aryl(benzyl)sulfonylacetic or aryl(benzyl)sulfonylpropionic acids with thiosemicarbazide in refluxing POCl3.

 


Keywords


aryl(benzyl)sulfonylacetic acids; aryl(benzyl)sulfonylpropionic acids; phosphorus oxychloride; 1,3,4-thiadiazol-2-amines; thiosemicarbazide; cyclization.

Full Text: PDF (Russian) Supplementary File(s): Supplementary information (2MB)


 

 

Latvian Institute of Organic Synthesis - Aizkraukles iela, 21, Riga, LV-1006, Latvia - hgs@osi.lv