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Citation: SUN Yi-Feng, LI Bian-Yang, SONG Hua-Can. Synthesis of s-Triazolo[3,4-b]-1,3,4-thiadiazole Derivatives Containing Coumarin and Furan[J]. Chinese Journal of Applied Chemistry, ;2005, 22(3): 316-319. shu

Synthesis of s-Triazolo[3,4-b]-1,3,4-thiadiazole Derivatives Containing Coumarin and Furan

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a Department of Chemistry, Taishan University, Taian 271021;
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b Antiseptic & Thermal-insulation Engineering Company, Kaifeng Kaihua Group, Kaifeng;
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c College of Chemistry and Chemical Engineering, Zhongshan Uniersity, Guangzhou

Corresponding author: SUN Yi-Feng,
Received Date: 18 June 2004
Available Online: 25 October 2004
Fund Project:

Seven s-triazolo[3,4-b]-1,3,4-thiadiazole derivatives containing coumarin and furan were synthesized in yields of 57%~70% via the condensation of thiocarbohydrazide 1,3-substituted-4-amino-5-mercapto-1,2,4-triazoles 2 and 5 with various heterocyclic carboxylic acids in the presence of phosphorus oxychloride.The compounds obtained were characteriz ed by elemental analysis,IR,¹H NMR and MS.
- coumarin,
- furan,
- s-triazolothiadiazole,
- synthesis
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