Results 1 to 10 of about 2,558 (239)
Reaction of Nitrilimines and Nitrile Oxides with Hydrazines, Hydrazones and Oximes
Molecules, 2005 This review article discusses the reaction of nitrilimines and nitrile oxides with hydrazines, hydrazones, and oximes. Three reaction modes were observed.
Adel M Awadallah
exaly +3 more sources
Synthesis and Free Radical Scavenging Activity of New Hydroxybenzylidene Hydrazines
Molecules, 2017 Hydroxybenzylidene hydrazines exhibit a wide spectrum of biological activities. Here, we report synthesis and free radical scavenging activity of nine new N-(hydroxybenzylidene)-N′-[2,6-dinitro-4-(trifluoromethyl)]phenylhydrazines.
Frantisek Sersen +6 more
doaj +3 more sources
Molecules, 2022 In silico evaluation of various regioisomeric 5- and 3-hydroxy-substituted alkyl 1-aryl-1H-pyrazole-4-carboxylates and their acyclic precursors yielded promising results with respect to their binding in the active site of dihydroorotate dehydrogenase of ...
Luka Vah +8 more
doaj +1 more source
Synthesis and Characterization of Novel Methyl (3)5-(N-Boc-piperidinyl)-1H-pyrazole-4-carboxylates
Molecules, 2021 Series of methyl 3- and 5-(N-Boc-piperidinyl)-1H-pyrazole-4-carboxylates were developed and regioselectively synthesized as novel heterocyclic amino acids in their N-Boc protected ester form for achiral and chiral building blocks.
Gita Matulevičiūtė +9 more
doaj +1 more source
Molecules, 2021 N-Sulfonyl amidines are developed from a Cu-catalyzed three-component reaction from sulfonyl hydrazines, terminal alkynes and sulfonyl azides in toluene at room temperature.
Yu Zhao +3 more
doaj +1 more source
Organic solvent-free synthesis of sulfonyl hydrazides in water
Tetrahedron Green Chem, 2023 An organic solvent-free synthesis of sulfonyl hydrazides has been achieved in water. The reactions of equimolar amount of sulfonyl chlorides and hydrazines afforded a series of substituted sulfonyl hydrazides at 60 °C for 1 h in water as a solvent in ...
Shizuki Noda, Shinji Tanimori
doaj +1 more source
Results in Chemistry, 2022 An efficient, fast, and environmentally gentle protocol for phthaloylation of amines, hydrazines and hydrazides via transamidation is described. The current research focuses on the phthaloylation of alicyclic, aliphatic, aromatic, heterocyclic amines ...
Prerna Ganwir +2 more
doaj +1 more source
Novel one-pot process for the synthesis of ethyl 2-imino-4-methyl-2,3-dihydrothiazole-5-carboxylates [PDF]
Journal of the Serbian Chemical Society, 2015 A facile one-pot two-step process for the synthesis of ethyl 2-imino-4-methyl-2,3-dihydrothiazole-5-carboxylates via the cyclocondensation of ethyl 2-thiocyanatoacetoacetate with a variety of hydrazine and hydrazide derivatives has been ...
Beyzaei Hamid, Aryan Reza, Moghadas Hadi
doaj +1 more source
ON THE OXIDATION OF HYDRAZINE. II. [PDF]
Journal of the American Chemical Society, 1907 n ...
Browne, A. W., Shetterly, F. F.
openaire +6 more sources
Cyanothioacetamides as a synthetic platform for the synthesis of aminopyrazole derivatives
Beilstein Journal of Organic Chemistry, 2023 It was shown that the reaction of 2-cyanothioacetamides with hydrazine involves both cyano- and thioamide groups, and 3,5-diaminopyrazoles are formed. In the reaction of 2-cyano-3-(dimethylamino)-N,N-dimethylprop-2-enethioamides with hydrazine and its ...
Valeriy O. Filimonov +4 more
doaj +1 more source