Deep eutectic solvent (DES) as dual solvent/catalyst for synthesis of α-diazocarbonyl compounds using aldol-type coupling

Miraki, Maryam Kazemi; Mehraban, Jamshid Azarnia; Yazdani, Elahe; Heydari, Akbar

doi:10.1016/j.molliq.2017.03.065

Cited by 22 publications

(9 citation statements)

References 39 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…[20] A DES is formed by a hydrogen bond acceptor (HBA) (quaternary ammonium salts) and a hydrogen bond donor (HBD) (carboxylic acids, metal halides, amines, and alcohols), [21][22][23] having the advantages of easy and cheap preparation, biodegradability, renewable, and low toxicity. [24][25][26] Capua et al [27] used a DES based on choline chloride as the catalyst to synthesize 2-aminoimidazoles, which effectively decreased the reaction time, and the DES could be recycled after simple treatment. Liu and Wang [28] studied the transesterification of soybean oil with methanol to produce biodiesel using ptoluenesulfonic acid-based DES.…”

Section: Introductionmentioning

confidence: 99%

Kinetics of polyvinyl butyral (PVB) synthesis reaction catalyzed by deep eutectic solvent

Luan

Zeng

et al. 2023

Can J Chem Eng

View full text Add to dashboard Cite

In this work, the kinetics of the polyvinyl butyral (PVB) synthesis reaction catalyzed by the deep eutectic solvents (DESs) at the low‐temperature stage was studied to control the particle size of PVB resin and optimize its synthesis process. The effects of stirring speed, the concentration of polyvinyl alcohol (PVA), catalyst dosage, and temperature on the synthesis reaction of PVB were investigated. The data obtained from kinetic experiments at 283.15–298.15 K were fitted with the shrinking core models, and the results showed that the model controlled by internal diffusion fitted well with the experimental data. The internal diffusion coefficient, DA, of n‐butanal in the product layer was further calculated by the obtained model parameters, and it was applied to predict the synthesis reaction of PVB at different concentrations of n‐butanal. The results indicated that the shrinking core model controlled by internal diffusion is suitable to describe the kinetics of the PVB synthesis reaction. DES played a dual role in catalysis and dispersion in the synthesis of PVB, and it was a green catalyst with good potential for PVB industrial applications.

show abstract

Section: Introductionmentioning

confidence: 99%

Kinetics of polyvinyl butyral (PVB) synthesis reaction catalyzed by deep eutectic solvent

Luan

Zeng

et al. 2023

Can J Chem Eng

View full text Add to dashboard Cite

show abstract

“…23,24 It is synthesized by mixing a hydrogen bond acceptor (HBA) (quaternary ammonium salts) and a hydrogen bond donor (HBD) (carboxylic acids) at 60-80 °C, [25][26][27] and is cheap, biodegradable, low toxic and reusable. [28][29][30] Hence, DES as a catalyst has potential applications in polymer chemistry and synthetic organic chemistry.…”

Section: Introductionmentioning

confidence: 99%

Optimization of a polyvinyl butyral synthesis process based on response surface methodology and artificial neural network

et al. 2023

View full text Add to dashboard Cite

show abstract

“…Recently, as an efficient and environmentally friendly catalyst, the deep eutectic solvent (DES) , has attracted much attention. Different kinds of DESs have been applied in alkylation, − oxidation, , esterification, , transesterification, decomposition of glucose reaction, , and selective separation of ammonia , successfully.…”

Section: Introductionmentioning

confidence: 99%

Alkylation of Phenol and tert-Butyl Alcohol Catalyzed by Deep Eutectic Solvents under Mild Conditions

Xiong

Zhang

Yang

et al. 2021

Ind. Eng. Chem. Res.

View full text Add to dashboard Cite

tert-Butyl phenol is an important intermediate for organic synthesis and the preparation of tert-butyl phenol under mild conditions is of great significance. In our work, five kinds of deep eutectic solvents were synthesized to catalyze the alkylation of phenol and tert-butyl alcohol. The deep eutectic solvent consisting of choline bisulfate (ChBf) and p-toluene sulfonic acid (p-TsOH) was proved to be a better catalyst. By employing the response surface methodology to optimize the reaction conditions, we found that 99.5% conversion of tert-butyl alcohol was obtained at a reaction temperature of 30 °C. The temperature of alkylation reaction was much milder than those in previous reports. The kinetic model for this reaction was established based on the Runge−Kutta−Fehlberg method and the recycle performance for the catalyst was evaluated. Excellent conversion of tert-butyl alcohol can be obtained after recycling eight times. This method provides a potential route for the synthesis of tert-butyl phenol under mild conditions in industry.

show abstract

Deep eutectic solvent (DES) as dual solvent/catalyst for synthesis of α-diazocarbonyl compounds using aldol-type coupling

Cited by 22 publications

References 39 publications

Kinetics of polyvinyl butyral (PVB) synthesis reaction catalyzed by deep eutectic solvent

Kinetics of polyvinyl butyral (PVB) synthesis reaction catalyzed by deep eutectic solvent

Optimization of a polyvinyl butyral synthesis process based on response surface methodology and artificial neural network

Alkylation of Phenol and tert-Butyl Alcohol Catalyzed by Deep Eutectic Solvents under Mild Conditions

Contact Info

Product

Resources

About