Adding a certain compound to certain chemical reactions, such as: 29509-06-6, name is 4-Methyl-3-oxopentanenitrile, belongs to nitriles-buliding-blocks compound, can increase the reaction rate and produce products with better performance than those obtained under traditional synthetic methods. Here is a downstream synthesis route of the compound 29509-06-6, COA of Formula: C6H9NO
General procedure: To the hydrazine either as free base or as a hydrochloride or a trifluoroacetic acid mono or di-salt (1 equiv) and the cyanoketone (from 1.0 to 1.5 equiv) in ethanol or toluene at RT is added DIPEA (from 0 to 2.0 equiv). Then the reaction mixture is heated at reflux until the reaction is finished. The reaction mixture is concentrated in vacuo to afford a crude mixture which is used as such or purified by flash chromatography on silica gel to afford the aminopyrazole as its free base.
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