An article Specific Organocatalysis in Amidation Reaction of Fatty Acid Methyl Esters with 3-(Dimethylamino)-1-propylamine WOS:000608975100021 published article about NUCLEOPHILIC REACTIONS; TERTIARY-AMINES; CATALYSTS; OPTIMIZATION; AMMONIOLYSIS; AMINOLYSIS; ALKYLATION; ALCOHOLS; MODEL in [Shirshin, Konstantin K.; Esipovich, Anton L.; Kazantsev, Oleg A.; Rumyantsev, Misha; Korotaev, Mikhail S.; Rogozhin, Anton E.] Nizhnii Novgorod State Tech Univ, 24 Ulitsa Minina Minin St, Nizhnii Novgorod, Russia in 2021.0, Cited 54.0. The Name is 3,5-Dimethyl-1H-pyrazole. Through research, I have a further understanding and discovery of 67-51-6. Safety of 3,5-Dimethyl-1H-pyrazole
Comparison of various organic compounds such as glycols, amines and alkanolamines as organocatalysts in amidation of fatty acid methyl esters with 3-(dimethylamino)-1-propylamine was made for the first time. It was experimentally detected that catalysts containing OH-groups (alcohols, glycols, glycerol and aminoalcohols) influence the reaction rate. Moreover, catalytic effect is depending on the catalysts geometry significantly. 1,5-diols (e. g. diethylene glycol and diethanolamine) were found to accelerate the reaction more than other OH-groups containing additives. It was supposed, that this catalytic effect is caused by specific associative interactions between reactants and 1,5-diols, what was confirmed by quantum mechanics calculations. Catalysts concentration effects on the reaction rate were also investigated.
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Reference:
Pyrazole – Wikipedia,
,Pyrazoles – an overview | ScienceDirect Topics