225503-40-2Relevant academic research and scientific papers
1,3-Dipolar Cycloaddition of Four Hydrazonoyl Chlorides to β-Diketones and α,β-Unsaturated Ketones
Albar, Hassan A.
, p. 872 - 889 (2007/10/03)
The 1,3-dipolar cycloaddition of four hydrazonoyl chloride derivatives with the sodium salt of unsymmetrical β-diketones (benzoylacetone) offers a versatile method for the regioselective synthesis of 2H-pyrazoles in a similar fashion to the cycloaddition of the nitrilimides with α,β-unsaturated ketones and esters. The structures of the prepared isomeric pyrazole and pyrazoline derivatives were established by spectroscopic and chemical methods.
