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FeCl3-promoted synthesis of 1,3,4-thiadiazoles under combined microwave and ultrasound irradiation in water

✍ Scribed by Feng, Huangdi; Ying, Xili; Peng, Yanqing; Eycken, Erik V.; Liu, Chuanduo; Zhao, Shanshan; Song, Gonghua

Book ID
120380183
Publisher
Springer Vienna
Year
2012
Tongue
English
Weight
338 KB
Volume
144
Category
Article
ISSN
0026-9247

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Rapid synthesis of 2,5-disubtituted 1,3,
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## Abstract The one pot, three‐components condensation of aromatic aldehydes, hydrazine and sulfur in ethanol under microwave irradiation provided symmetrically 3,5‐disubstituted 1,3,4‐thiadiazoles in high yields and good purity. This reaction must be conducted under pressure of hydrogen sulfide pr