75075-89-7

Upstream product

• 85434-07-7 1,3,5-trimethyl-4-(2-nitrobenzoyl)-1H-pyrazole 
• 123-54-6 acetylacetone 
• 85434-06-6 3,5-dimethyl-4-(2-nitrobenzoyl)-1H-pyrazole 
• 59169-69-6 1-(2'-aminobenzoyl)-1-methylhydrazine 
• 58130-13-5 3-(2-nitro-benzoyl)-pentane-2,4-dione 
• 75075-86-4 4--4-penten-2-one 

Relevant academic research and scientific papers

THE RING CLOSURE AND REARRANGEMENT OF N-2-AMINOBENZOYL-N-METHYLHYDRAZONES OF β-DICARBONYL COMPOUNDS

A novel rearrangement was observed during the cyclization of N-(2-aminobenzoyl)-N-methylhydrazones of β-dicarbonyl compounds, leading to pyrazole derivatives 2, 4, and 5 depending on substituents and the reaction media.

THE RING CLOSURE AND REARRANGEMENT OF 1-(2-AMINO)-BENZOYL-1-METHYLHYDRAZONES OF β-DICARBONYL COMPOUNDS: ON THE FORMATION AND CRYSTAL STRUCTURE OF 3a,9a-DIHYDRO-1,3,3a,9a-TETRAMETHYL-4H-PYRAZOLOQUINOLIN-4-ONE

The conversion of 1-(2-amino)-benzoyl-1-methylhydrazones of β-dicarbonyl compounds into heterocyclic derivatives yielded in addition to the already known type of product 2 further three novel pyrazole derivatives 3, 4, and 5.The structures of these products have been established by chemical and spectroscopic (MS) methods.The crystal structure of 5 has been determined by X-ray diffraction.