104017-63-2Relevant academic research and scientific papers
Cerium ammonium nitrate-catalyzed aerobic oxidative coupling of dithiocarbamates: Facile synthesis of thioureas and bis(aminothiocarbonyl)disulfides
Li, Tian-Tian,Song, Xiang-Hai,Wang, Mei-Shuang,Ma, Ning
, p. 40054 - 40060 (2014)
Diverse disubstituted and trisubstituted thioureas were synthesized by the condensation of dithiocarbamate TEA (or DABCO) salts and amines using cerium ammonium nitrate (CAN) as a catalyst in high yields at room temperature. It is a one-pot method and it is unnecessary to isolate isothiocyanates. This reaction probably took place through nucleophilic addition of amines to isothiocyanates, which were generated by oxidative coupling of dithiocarbamates and the following decomposition of bis(aminothiocarbonyl)disulfides. When secondary amines and CS2served as the reactants, bis(aminothiocarbonyl)disulfides were obtained via tandem nucleophilic addition/oxidative coupling reactions in moderate to excellent yields. In all the coupling reactions, the oxidant was air and CAN possibly acted as an SET catalyst.
A non-isothiocyanate route to synthesize trisubstituted thioureas of arylamines using in situ generated dithiocarbamates
Varun, Begur Vasanthkumar,Prabhu, Kandikere Ramaiah
, p. 3079 - 3087 (2013/04/24)
A novel, user-friendly, and convenient method for the synthesis of trisubstituted thioureas of arylamines is presented, for the first time, using in situ generated dithiocarbamates of secondary amines. This strategy provides an excellent opportunity to access thioureas containing primary aryl amines. A non-isothiocyanate route to obtain thioureas is the advantage of this strategy, which may provide a useful route to synthesize a variety of biologically active derivatives of thioureas.
Anticonvulsant 4-Aryl Semicarbazides and Thioureas
Nagarajan, K.,David, J.,Rajappa, S.,Talwalker, S.
, p. 934 - 939 (2007/10/02)
Among a series of anticonvulsant 1-aryl semicarbazides, 1-(3,5-bistrifluoromethyl)phenylsemicarbazide, C 3884-Go (11) and its 4-methyl derivative, C 3165-Go (12) showed good activity of long duration in the electroshock test in mice and rats.Quantitative structure activity analysis indicates that ? and ? values are respectively important for the aromatic and side chain substituents respectively.N-Acetyl-N'-(3,5-bistrifluoromethyl)phenyl hydrazine (20) is highly anticonvulsant but causes ataxia. 4-Aryl thiosemicarbazides show weak to moderate activity.Among N-(3,5-bistrifluoromethyl)phenyl thiocarbamoyl derivatives, the product 33 from N-benzyl piperazine is potent in the electroshock test.Compounds 11 and 12 have been compared with standards such as phenytoin, phenurone and carbamazepine.
