Syntheses and Crystal Structures of Diorganotin Derivatives of 2,5-Dimercapto-1,3,4-thiadiazole
β Scribed by Chunlin Ma; Junhong Zhang; Feng Li; Rufen Zhang
- Publisher
- John Wiley and Sons
- Year
- 2004
- Tongue
- English
- Weight
- 233 KB
- Volume
- 2004
- Category
- Article
- ISSN
- 1434-1948
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## Abstract The reactions of diorganotin dichloride [Ph~2~SnCl~2~, (PhCH~2~)~2~βSnCl~2~ or (__n__βBu)~2~SnCl~2~] with potassium salt of 2, 5βdimercaptoβ4βphenylβ1, 3, 4βthiodiazole gave complexes R~2~Sn (S~3~N~2~C~8~H~5~)~2~ (4: R = Ph; 5: R = PhCH~2~ and 6: R = __n__βBu), respectively. Characteriz
Two general methods are reported for the preparation of 1,2,4-triazolo[3,4-b][1,2,4]thiadiazolium salts 4 from 4-amino-2,4-dihydro-2-methyl-5-(methylthio)-3H-1,2,4-triazol-3thione (1). The first one involves the initial formation of arylidene derivatives 2 which undergo cyclization by the action of
Thermal reactions of 3-phenyl-5-arylamino-1,2,4-oxadiazoles I and II were investigated. Neat heating at ca. 250ΠC for 6 hours afforded H 2 O, benzonitrile, arylcyanamides, arylamines, azobenzene, benzimidazole derivatives, and 3,3Π-diphenyl-5,5Π-bis[1,2,4-oxadiazolyl]. Analogous results were obtaine