1132890-49-3Relevant academic research and scientific papers
Isolation of the half-condensed pyrazoline intermediates en route to N-(1,10-phenanthroline)-pyrazole derivatives from the Knorr reaction
Yang, Peiju,Yang, Yue,Zhang, Cui,Yang, Xiao-Juan,Wu, Biao
, p. 907 - 916 (2009)
During the synthesis of 2-pyrazole-1,10-phenanthroline derivatives by the Knorr reaction from benzoylacetone and 2-hydrazine-1,10-phenanthroline, three half-condensed intermediates, the 5-hydroxyl pyrazolines (2b-2d), were isolated and characterized by NM
