In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Aryl halides as precursors of electrogenerated bases. Utilization in coupling reactions of acetonitrile with various electrophilic compounds, published in 1993-06-04, which mentions a compound: 17190-29-3, Name is 3-Hydroxy-3-phenylpropanenitrile, Molecular C9H9NO, Category: pyrazoles-derivatives.
An electrochem. alternative to classical cyanomethylation is possible by using electrogenerated bases (EGBs), obtained by electroreduction of aryl halides in an undivided cell fitted with a Cd-coated cathode and a sacrificial Mg anode. MeCN is used both as solvent and as H-active compound A coupling reaction with various electrophilic compounds was carried out. When the electrophilic compound was present from the beginning of the electrolysis, the expected coupling product with the cyanomethyl anion was obtained. If the electrophilic compound was added only after complete electrolysis of the aryl halide, dimerization of the cyanomethyl anion and a coupling reaction between the dimer anion and the electrophilic compound were observed
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Reference:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics