Sulfonated cellulose and starch: New biodegradable and renewable solid acid catalysts for efficient synthesis of quinolines

2008 ◽  
Vol 9 (1) ◽  
pp. 13-16 ◽  
Author(s):  
Ahmad Shaabani ◽  
Abbas Rahmati ◽  
Zahra Badri
Keyword(s):  
Solid Acid ◽  
Solid Acid Catalysts ◽  
Acid Catalysts ◽  
Efficient Synthesis

Efficient Synthesis of 1-Tetralones from 4-Arylbutyric Acids by Combined Use of Solid Acid Catalysts and Microwave Irradiation

2008 ◽  
Vol 37 (3) ◽  
pp. 320-321 ◽  
Author(s):  
Kazuaki Hiroki ◽  
Makiko Hatori ◽  
Hiroshi Yamashita ◽  
Jun-ichi Sugiyama
Keyword(s):  
Microwave Irradiation ◽  
Solid Acid ◽  
Solid Acid Catalysts ◽  
Acid Catalysts ◽  
Efficient Synthesis ◽  
Combined Use

Efficient synthesis of diphenyl carbonate from dibutyl carbonate and phenol using square-shaped Zn–Ti–O nanoplates as solid acid catalysts

RSC Advances ◽  
2015 ◽  
Vol 5 (103) ◽  
pp. 84621-84626 ◽  
Author(s):  
Peixue Wang ◽  
Shimin Liu ◽  
Feng Zhou ◽  
Benqun Yang ◽  
Ahmad S. Alshammari ◽  
...  
Keyword(s):  
Solid Acid ◽  
Solid Acid Catalyst ◽  
Acid Catalyst ◽  
Solid Acid Catalysts ◽  
Diphenyl Carbonate ◽  
Acid Catalysts ◽  
Efficient Synthesis

Efficient synthesis of diphenyl carbonate from dibutyl carbonate and phenol using square-shaped Zn–Ti–O nanoplates as solid acid catalyst.

Solid acid catalysts for the efficient synthesis of 2-(2,4-difluorophenyl) propane

2001 ◽  
Vol 209 (1-2) ◽  
pp. 117-123 ◽  
Author(s):  
Xucan Hu ◽  
Gaik Khuan Chuah ◽  
Stephan Jaenicke
Keyword(s):  
Solid Acid ◽  
Solid Acid Catalysts ◽  
Acid Catalysts ◽  
Efficient Synthesis

scholarly journals Efficient synthesis of 2,3-dihydroquinazolin-4(1H)-ones using heterogeneous solid acid catalysts: unexpected formation of 2,3-dihydro-2-(4-(tetrahydro-2H-pyran-2-yloxy)butyl)-quinazolin-4(1H)-one

ARKIVOC ◽  
2012 ◽  
Vol 2012 (8) ◽  
pp. 308-318 ◽  
Author(s):  
Sandip Bibishan Bharate ◽  
Nagaraju Mupparapu ◽  
Sudhakar Manda ◽  
Jaideep B. Bharate ◽  
Ramesh Mudududdla ◽  
...  
Keyword(s):  
Solid Acid ◽  
Solid Acid Catalysts ◽  
Acid Catalysts ◽  
Efficient Synthesis ◽  
Unexpected Formation ◽  
Heterogeneous Solid

Preparation of Strong Acid Catalysts by Sulfate Treatment of Calcined Boehmite

1992 ◽  
Vol 57 (11) ◽  
pp. 2241-2247 ◽  
Author(s):  
Tomáš Hochmann ◽  
Karel Setínek
Keyword(s):  
Catalytic Activity ◽  
Surface Area ◽  
Aluminum Sulfate ◽  
Solid Acid ◽  
Strong Acid ◽  
Acid Strength ◽  
Solid Acid Catalysts ◽  
Acid Catalysts ◽  
Preparation Methods ◽  
Indicator Method

Solid acid catalysts with acid strength of -14.52 < H0 < -8.2 were prepared by sulfate treatment of the samples of boehmite calcined at 105-800 °C. Two preparation methods were used: impregnation of the calcined boehmite with 3.5 M H2SO4 or mixing of the boehmite samples with anhydrous aluminum sulfate, in both cases followed by calcination in nitrogen at 650 °C. The catalysts were characterized by measurements of surface area, adsorption of pyridine and benzene, acid strength measurements by the indicator method and by catalytic activity tests in the isomerization of cyclohexene, p-xylene and n-hexane. Properties of the catalysts prepared by both methods were comparable.

scholarly journals Metal–Organic Framework-Based Solid Acid Materials for Biomass Upgrade

2021 ◽  
Author(s):  
Yutian Qin ◽  
Jun Guo ◽  
Meiting Zhao
Keyword(s):  
High Efficiency ◽  
Solid Acid ◽  
Metal Organic Framework ◽  
Acid Sites ◽  
Solid Acid Catalysts ◽  
Future Research ◽  
Acid Catalysts ◽  
Metal Organic ◽  
Biomass Transformation ◽  
Organic Framework

AbstractBiomass is a green and producible source of energy and chemicals. Hence, developing high-efficiency catalysts for biomass utilization and transformation is urgently demanded. Metal–organic framework (MOF)-based solid acid materials have been considered as promising catalysts in biomass transformation. In this review, we first introduce the genre of Lewis acid and Brønsted acid sites commonly generated in MOFs or MOF-based composites. Then, the methods for the generation and adjustment of corresponding acid sites are overviewed. Next, the catalytic applications of MOF-based solid acid materials in various biomass transformation reactions are summarized and discussed. Furthermore, based on our personal insights, the challenges and outlook on the future development of MOF-based solid acid catalysts are provided. We hope that this review will provide an instructive roadmap for future research on MOFs and MOF-based composites for biomass transformation.

scholarly journals Nonthermal Plasma Induced Fabrication of Solid Acid Catalysts for Glycerol Dehydration to Acrolein

Catalysts ◽  
2021 ◽  
Vol 11 (3) ◽  
pp. 391
Author(s):  
Lu Liu ◽  
Xiaofei Philip Ye
Keyword(s):  
Solid Acid ◽  
Nonthermal Plasma ◽  
Temperature Programmed Desorption ◽  
Argon Atmosphere ◽  
Solid Acid Catalysts ◽  
Acid Catalysts ◽  
Pyridine Adsorption ◽  
X Ray ◽  
Glycerol Dehydration ◽  
Temperature Programmed

The feasibility of fabricating better solid acid catalysts using nonthermal plasma (NTP) technology for biobased acrolein production is demonstrated. NTP discharge exposure was integrated in catalyst fabrication in air or argon atmosphere. The fabricated catalysts were characterized by Brunauer–Emmett–Teller surface area analysis, temperature-programmed desorption of ammonia, X-ray powder diffraction and Fourier-transform infrared spectroscopy of pyridine adsorption, in comparison to regularly prepared catalysts as a control. Further, kinetic results collected via glycerol dehydration experiments were compared, and improvement in acrolein selectivity was displayed when the catalyst was fabricated in the argon NTP, but not in the air NTP. Possible mechanisms for the improvement were also discussed.

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