title: Addition of amino compounds to allenic and acetylenic ketones. Formation of pyrazoles and solvent effects in their H-NMR spectra.
mesh_terms: D055598:Chemical Phenomena; D002621:Chemistry; D006588:Hexanones; D006834:Hydrazines; D007659:Ketones; D009682:Magnetic Resonance Spectroscopy; D009002:Monomethylhydrazine; D010422:Pentanones; D011720:Pyrazoles / Q000138:chemical synthesis*
chemical_list: D006588:Hexanones; D006834:Hydrazines; D007659:Ketones; D010422:Pentanones; D011720:Pyrazoles; D009002:Monomethylhydrazine