Browsing by Subject "4,5 dichloro 1,2,3 dithiazolium chloride"
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Article
The degradation of 4,5-dichloro-1,2,3-dithiazolium chloride in wet solvents
(2009)4,5-Dichloro-1,2,3-dithiazolium chloride 1 (Appel salt) reacts in wet DCM, THF or MeCN to give elemental sulfur, dithiazole-5-thione 4, dithiazol-5-one 5 and thiazol-5-one 6. Furthermore the reaction of 2-phenylthiazol-5(4H)-one ...
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Article
The reaction of 4,5-dichloro-1,2,3-dithiazolium chloride with dimethylsulfonium dicyanomethylide: an improved synthesis of (4-chloro-1,2,3-dithiazolylidene)malononitrile
(2009)4,5-Dichloro-1,2,3-dithiazolium chloride 6 (Appel salt) reacts with dimethylsulfonium dicyanomethylide 11 to give 5-(4-chloro-1,2,3-dithiazolylidene)malononitrile 1 and a mixture of E/Z isomers of 3-(4-chloro-5H-1,2,3-di ...
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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 ...