A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 401566-79-8, Name is 1-(3-Methyl-1-phenyl-1H-pyrazol-5-yl)piperazine, molecular formula is C14H18N4. In an article, author is Vereshchagin, A. N.,once mentioned of 401566-79-8, SDS of cas: 401566-79-8.
Diastereoselective multicomponent synthesis of (4RS,6SR)-4,6-diaryl-5,5-dicyano-2-methyl-1,4,5,6-tetrahydropyridine-3-carboxylates
Multicomponent reaction of benzylidenemalononitrile, 2-acetyl-3-arylacrylates, and aqueous ammonia in alcohols at room temperature proceeds stereoselectively to give (4RS,6SR)-4,6-diaryl-5,5-dicyano-2-methyl-1,4,5,6-tetrahydropyridine-3-carboxylates in 55-87% yields. In this reaction, ammonia acts as both the catalyst and the source of nitrogen for constructing tetrahydropyridine cycle.
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Reference:
Piperidine – Wikipedia,
,Piperidine | C5H11N – PubChem