A new synthesis of symmetrical 2,5-diaryl-1,3,4-thiadiazoles
β Scribed by Gioacchino Mazzone; Giovanni Puglisi; Francesco Bonina; Antonino Corsaro
- Book ID
- 112127244
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 1983
- Tongue
- English
- Weight
- 178 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0022-152X
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## Abstract Several new 2,5βdisubstituted 1,3,4βoxadiazoles have been synthesized in good yields by reaction of aromatic acids with hydrazine dihydrochloride in a mixture of orthophosphoric acid, phosphorus pentoxide and, in general, with addition of phosphorus oxychloride to the reaction mixture.