122228-64-2Relevant academic research and scientific papers
A concise and efficient method for 2-pyrazolines
Reddy, D. Bhaskar,Padmaja, A.,Padmavathi, V.
, p. 811 - 815 (2007/10/03)
The preparation of 3,3'-bis(2-pyrazolines (2,5) by the cycloaddition of diazomethane to 1,5-diaryl-1,4-pentadien-3-ones (1) or by the step-wise reaction of 1 with hydrazine hydrate and diazomethane or by the condensation of 4-aryl-2-pyrazolin-3-yl styryl ketones (4) with hydrazine hydrate has been described.Spectral data have been correlated to the structures of the new compounds.
Studies on Some Bis(4-aryl-2-pyrazolin-3-yl)Ketones
Bhaskar Reddy, D.,Padmaja, A.,Seshamma, T,Ramana Reddy, M. V.
, p. 963 - 964 (2007/10/02)
Twelve new bis(4-aryl-2-pyrazolin-3-yl) ketones (III) have been synthesized by the cycloaddition reaction of diazomethane with 1,5-bisaryl-1,4-pentadien-3-ones (I) in the presence of triethylamine at -20 deg C.Their structural assignments are based on IR
