Direct aminolysis of triglycerides: A novel use for heterogeneous catalysts

Almeida, Camila G. de; Souza, Isabella F. de; Sousa, Rafael Arromba de; Hyaric, Mireille Le

doi:10.1016/j.catcom.2013.07.037

Cited by 17 publications

(10 citation statements)

References 27 publications

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“…Fatty amides are widely used as/in surfactants, lubricants, cosmetics, shampoos, foam‐control agents, fungicides, corrosion inhibitors, water repellents, detergents, and anti‐blocking agents in the plastics‐processing industry . Industrially, fatty amides are currently produced by using a two‐step process (Scheme ): the conversion of triglycerides into fatty acid esters, followed by a high‐temperature aminolysis to produce fatty amides . Several studies have reported the direct amidation of triglycerides with amino alcohols or isopropylamine by using basic promoters such as methoxides, NaOH/CaO, Na‐doped Ca(OH) 2 , and Li‐doped CaO, or by using solid acid catalysts or biocatalysts .…”

Section: Introductionmentioning

confidence: 99%

Selective Transformations of Triglycerides into Fatty Amines, Amides, and Nitriles by using Heterogeneous Catalysis

et al. 2019

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Section: Introductionmentioning

confidence: 99%

Selective Transformations of Triglycerides into Fatty Amines, Amides, and Nitriles by using Heterogeneous Catalysis

et al. 2019

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“…Amide synthesis in literature have been performed under varying reaction conditions, viz., without catalyst 15,19 , in presence of bio 22,29,45 or chemical catalysts 16,20,[30][31][32]41,[46][47][48] . Table 3 present …”

Section: Comparison Of Ni/cao Activity With Few Literature Reported Cmentioning

confidence: 99%

Aminolysis of triglycerides using nanocrystalline nickel doped CaO as an efficient solid catalyst

2016

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Present manuscript reports the preparation of Ni doped CaO in nanocrystalline form, using wet chemical method, and investigation of their catalytic activity towards aminolysis of variety of triglycerides with diethanolamine. The powder XRD study suggested the formation of a solid solution of NiO in CaO as long as nickel content in catalyst remain ≤ 5 wt%. Transmission electron microscopy study supported the formation of Ni/CaO particles in the form of nanorods at 650 °C calcination temperature. Catalyst activity was found to be a function of basic strength which in turn depends upon the catalyst calcination temperature. Catalyst prepared by 0.5 wt% Ni doping in CaO at 650 °C was found to complete the aminolysis (> 99% amide yield) of waste cottonseed oil within 0.5 and 3.0 h at 110°C and room temperature (35 °C), respectively. The catalyst was easily recovered from the reaction mixture by simple filtration and reused during seven consecutive reaction cycles without significant loss in activity. The (pseudo) first order rate constant and activation energy for the reaction was observed 0.15 min -1 and 52.7 kJ mol -1 , respectively.

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“…Traditionally, amidation of esters is carried out in presence of NaOH or CH 3 ONa 33 . Such reactions are also catalyzed by enzymes, [14] metals and metal salts, [15] metal‐organic compounds, [16] derivatives of organic acids, [17] super‐basic catalysts (NaOH/CaO‐ZnO/La 2 CO 5 /LaOOH) [18] and salts [19] . Surely, these catalysts provide sufficiently high product yields, but most of them cannot be applied in industry production due to environmental standards.…”

Section: Introductionmentioning

confidence: 99%

Specific Organocatalysis in Amidation Reaction of Fatty Acid Methyl Esters with 3‐(Dimethylamino)‐1‐propylamine

et al. 2021

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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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Direct aminolysis of triglycerides: A novel use for heterogeneous catalysts

Cited by 17 publications

References 27 publications

Selective Transformations of Triglycerides into Fatty Amines, Amides, and Nitriles by using Heterogeneous Catalysis

Selective Transformations of Triglycerides into Fatty Amines, Amides, and Nitriles by using Heterogeneous Catalysis

Aminolysis of triglycerides using nanocrystalline nickel doped CaO as an efficient solid catalyst

Specific Organocatalysis in Amidation Reaction of Fatty Acid Methyl Esters with 3‐(Dimethylamino)‐1‐propylamine

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