Levkovskaya, G. G.; Bozhenkov, G. V.; Malyushenko, R. N.; Mirskova, A. N. published the article 《Synthesis of pyrazole derivatives from 1,1-dimethylhydrazine and chlorovinyl ketones》. Keywords: chlorovinyl ketone cyclization methylhydrazine; pyrazol preparation; hydrazinium methyl chloride preparation.They researched the compound: 3-(Chloromethyl)-1-methyl-1H-pyrazole( cas:84547-64-8 ).Recommanded Product: 84547-64-8. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:84547-64-8) here.
The reaction of accessible 2-chlorovinyl Me ketones with 1,1-dimethylhydrazine gave pyrazole derivatives in high yields. 1,1,1-Trimethylhydrazinium chloride was isolated as second product of this reaction in high yield.
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Reference:
Amide – Wikipedia,
Amide – an overview | ScienceDirect Topics