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 Pride, Rachel L.,once mentioned of 401566-79-8, Formula: C14H18N4.
Synthesis and styrene copolymerization of novel trisubstituted ethylenes: 1. Alkyl ring-substituted isopropyl 2-cyano-3-phenyl-2-propenoates
Novel trisubstituted ethylenes, alkyl ring-substituted isopropyl 2-cyano-3-phenyl-2-propenoates, RPhCH = C(CN)CO2CH(CH3)(2) (where R is H, 2-methyl, 3-methyl, 4-methyl, 4-ethyl, 4-propyl, 4-i-propyl, 4-butyl, 4-i-butyl, 4-t-butyl) were prepared and copolymerized with styrene. The ethylenes were synthesized by the piperidine catalyzed Knoevenagel condensation of ring-substituted benzaldehydes and isopropyl cyanoacetate, and characterized by CHN analysis, IR, H-1 and C-13 NMR. All the ethylenes were copolymerized with styrene in solution with radical initiation (ABCN) at 70 degrees C. The compositions of the copolymers were calculated from nitrogen analysis and the structures were analyzed by FTIR, H-1 and C-13 NMR. Decomposition of the copolymers in nitrogen occurred in two steps, first in the 250-500 degrees C range with residue (2-5% wt.), which then decomposed in the 500-800 degrees C range.
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Reference:
Piperidine – Wikipedia,
,Piperidine | C5H11N – PubChem