Browsing by Subject "Appel salt"
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Article
The reaction of 4,5-Dichloro-1,2,3-dithiazolium chloride with sulfimides: A new synthesis of N-Aryl-1,2,3-dithiazolimines
(2009)N-Aryl-S,S-dimethylsulfimides 3 (Ar = 4-NO2C6H4), 4 (Ar = Ph) and 5 (Ar = 4- Tol) react with Appel salt 1 to give the corresponding N-aryl-(4-chloro-5H-1, 2,3- dithiazolylidene)benzenamines 8 (Ar = 4-NO2C6H4), 9 (Ar = Ph) ...
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Article
The synthesis of 2-cyano-cyanothioformanilides from 2-(4-Chloro-5H-1,2,3- dithiazol-5-ylideneamino)benzonitriles using DBU
(2009)A series of 2-(4-chloro-5H-1,2,3-dithiazol-5-ylideneamino) benzonitriles were prepared from the reaction of 4,5-dichloro-1,2,3-dithiazolium chloride (Appel salt) and the corresponding anthranilonitriles. Reaction of the ...
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Article
Synthesis of [(4-Chloro-5H-1,2,3-dithiazol-5-ylidene)amino]azines
(2011)The reactions of 2-, 3- and 4-aminopyridines with 4,5-dichloro-1,2,3- dithiazolium chloride (Appel salt) 4 to give N-(4-chloro-5H-1,2,3-dithiazol-5- ylidene)pyridin-Xamines 1a (X = 2), 1g (X = 3) and 1k (X = 4) were optimized ...
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Article
(Z)-2-(4-chloro-5h-1,2,3-dithiazol-5-ylideneamino)-6-ethoxy-4-phenylpyridine-3,5-dicarbonitrile
(2010)2-Amino-6-ethoxy-4-phenylpyridine-3,5-dicarbonitrile 1 reacts with 4,5-dichloro-1,2,3-dithiazolium chloride 2 in the presence of pyridine (2 equiv.) to afford (Z)-2-(4-chloro-5H-1,2,3-dithiazol-5-ylideneamino)-6-ethoxy-4 ...