6583-42-2Relevant academic research and scientific papers
Synthesis, Characterization and Biological Evaluation of Some Novel Azo-Imine Compounds
Nair, Smitha,Palanisamy, P.,Sunitha, K.
, p. 663 - 667 (2022/02/22)
The oxidative cyclization of thiosemicarbazone (III) synthesized from reaction between substituted aryl aldehydes (I) with thiosemicarbazide (II) was done using ferric chloride as oxidative agent to get 2-amino-5-phenyl-1,3,4-thiadiazole (IV). 2-Amino-5-phenyl-1,3,4-thiadiazole was introduced in condensation reactions with substituted aldehydes to obtain benzylidene imine derivatives (VI)1-5. Further these were treated with sulphanilic acid to give new 2-{[5-phenyl-1,3,4-thiadiazole-2-imino] substituted benzene}diazenyl benzene sulfonic acid derivatives (VII)1-5. These derivatives were further characterized by FT-IR, 1H NMR and 13C NMR spectral studies and were screened for antibacterial, antifungal and antioxidant activities.
Studies on the synthesis and bioactivity of some thiadiazole derivatives
Padhy, Arun Kumar,Nag,Panda
, p. 998 - 1001 (2007/10/03)
Several 2-aryl-3-(4-aryl-1,3,4-thiadiazolyl)-4-thiazolidinones 3 and several other fused heterocycles 5 have been prepared. Most of the compounds 3 have been screened for their fungicidal activity against two fungi Aspergillus clavatus and Aspergillus fum
Synthesis of Some Azomethine Derivatives of 2-Amino-5-phenyl-1,3,4-thiadiazole
Eremin,Golovanov,Krutikov,Lavrent'ev
, p. 138 - 140 (2007/10/03)
Azomethines derived from 2-amino-5-phenyl-1,3,4-thiadiazole were prepared by fusion of the starling amine with corresponding carhonyl compound. The method ensures yields of target products up to 97%. The composition and structure of the products were conf
(4 + 2) Cycloaddition of conjugated azomethines to aryl isothiocyanates and fungitoxicity of the resulting 6,7-dihydro-1,3,4-thiadiazolo-s-triazine-5(H)-thiones
Yadav, L. D. S.,Shukla, K. N.,Singh, H.
, p. 78 - 80 (2007/10/02)
(4 + 2) Cycloaddition of conjugated azomethines, 5-aryl/aryloxymethyl-2-benzylideneamino-1,3,4-thiadiazoles (3a-l), to aryl isothiocyanates affords 2,6,7-trisubstituted 6,7-dihydro-1,3,4-thiadiazolo-s-triazine-5(H)-thiones (4a-l).The compounds 4a-l have been compared with Dithane M-45, a standard fungicide, for their antifungal activity against A. niger and F. oxysporium.
Unsaturated Compounds containing Nitrogen. Part 4. Further Reactions of 1-Chloro-2,3-diazabutadienes with S-Nucleophiles
Flowers, William T.,Robinson, John F.,Taylor, David R.,Tipping, Anthony E.
, p. 349 - 355 (2007/10/02)
1-Chloro-1,4-diaryl-2,3-diazabutadienes (Ar1CCl=NN=CHAr2), prepared by the reaction of thionyl chloride with aroylhydrazones (Ar1CONHN=CHAr2), react with thiosemicarbazide or thiocarbohydrazide to give 2-arylidenehydrazino-5-aryl-1,3,4-thiadiazoles, and with potassium thiocyanate to give 1-thiocyanato-1,4-diaryl-2,3-diazabutadienes which isomerize thermally to arylideneamino-5-aryl-1,3,4-thiadiazoles. 1-Chloro-1,4-diphenyl-2,3-diazabutadiene reacts with potassium ethylxanthate to give a 1-ethylxanthyl-2,3-diazabutadiene which on pyrolysis yields 2,5-diphenyl-1,3,4-thiadiazole.
