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Citation: BAI Yin-Juan, ZHAO Shui-Xi, CHEN Xu-Dong, SHI Zhen. Synthesis of 4-Arylideneamino-1,2,4-triazoles under Microwave Irradiation[J]. Chinese Journal of Applied Chemistry, ;2008, 25(3): 366-368. shu

Synthesis of 4-Arylideneamino-1,2,4-triazoles under Microwave Irradiation

1.
Department of Chemistry, Northwest University, Xi'an 710069

Corresponding author: BAI Yin-Juan,
Received Date: 10 April 2007
Available Online: 28 June 2007
Fund Project: 陕西省自然科学基金(2004B11)资助项目 (2004B11)

Microwave-assisted synthesis of nine 4-arylideneamino-5-mercapto-3-substituted-4H-1,2,4-triazoles via the reaction of 4-amino-5-mercapto-3-substituent-1,2,4-triazoles with arylaldehydes under solvent-free conditions without catalyst was completed.The reactants were mixed in an equal molar ratio,and exposed to MW irradiation for 9~10 min,and the yields were 81%~92%.The mercapto group did not react with the imine group to give the products with two heterocycles.This method avoids the long reaction time of usual synthesis route using ethanol as solvent and acid as catalyst,and saved the troubles of using acetic acid as solvent and catalyst.The structures of the products were confirmed by ¹H NMR and IR.
- solvent-free,
- uncatalyzed,
- microwave irradiation,
- arylideneamino-mercapto-substituted-triazoles
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