An article New Reaction Products of Acetylacetone with Semicarbazide Derivatives WOS:000636600000072 published article about ANTIBACTERIAL; ANTIFUNGAL; COMPLEXES; SERIES; ACID in [Glukhacheva, Vera S.; Il’yasov, Sergey G.; Kazantsev, Igor, V; Shestakova, Elena O.; Il’yasov, Dmitri S.] Russian Acad Sci IPCET SB RAS, Inst Problems Chem & Energet Technol, Siberian Branch, Biisk 659322, Russia; [Eltsov, Ilia, V; Nefedov, Andrey A.] Novosibirsk State Univ, Novosibirsk 630090, Russia; [Nefedov, Andrey A.; Gatilov, Yuri, V] Russian Acad Sci NIOCh SB RAS, Vorozhtsov Novosibirsk Inst Organ Chem, Siberian Branch, Novosibirsk 630090, Russia in 2021.0, Cited 40.0. Safety of 3,5-Dimethyl-1H-pyrazole. The Name is 3,5-Dimethyl-1H-pyrazole. Through research, I have a further understanding and discovery of 67-51-6
A new approach is suggested herein for the synthesis of pyrazole derivatives by reacting 4-nitrosemicarbazide with acetylacetone. Additional studies were done on the reaction of acetylacetone with semicarbazide and its derivatives (4-aminosemicarbazide, methylsemicarbazide, and dimethylsemicarbazide). The study on the reaction with acetylacetone resulted in monocyclic 3,5-dimethyl-N-nitropyrazole-1-carboxamide, monocyclic 5-hydroxy-3,5-dimethyl-2-pyrazoline, and bicyclic bis(3,5-dimethylpyrazole-1-carbonyl)hydrazine, and conditions for the formation of acetone semicarbazone were identified. The structures of the resultant compounds were validated by physicochemical analytical methods, including X-ray diffraction. The computer-aided screening in the PASS prediction software discovered a high biological activity of the newly obtained compounds.
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Reference:
Pyrazole – Wikipedia,
,Pyrazoles – an overview | ScienceDirect Topics