Catalytic Oxidation of Alkynes into 1,2‐Diketone Derivatives by Using a PdII/Lewis‐Acid Catalyst
Sign Up to like & getrecommendations! Published in 2018 at "Asian Journal of Organic Chemistry"
DOI: 10.1002/ajoc.201700556
Abstract: A novel synthetic method for alkyne oxidation by Pd(II)/LA (LA: Lewis acid) catalyst is described, which gives an efficient access to 1,2-diketones using dimethyl sulfoxide (DMSO) as the oxidant. Under the optimized reaction conditions, this… read more here.
Keywords: diketone derivatives; lewis acid; oxidation; acid catalyst ... See more keywords
Phosphated tungstate: An efficient new solid phosphoric acid catalyst for the synthesis of heterocyclic nitrones
Sign Up to like & getrecommendations! Published in 2018 at "Applied Organometallic Chemistry"
DOI: 10.1002/aoc.3944
Abstract: Phosphated tungstate as a new, reusable and efficient solid phosphoric acid catalyst was synthesized and used to promote the reaction of diaminoglyoxime with various aromatic aldehydes. The prepared phosphated tungstate was characterized using various techniques… read more here.
Keywords: phosphated tungstate; acid catalyst; phosphoric acid; spectroscopy ... See more keywords
Sulfonic Acid-Functionalized Solid Acid Catalyst in Esterification and Transesterification Reactions
Sign Up to like & getrecommendations! Published in 2017 at "Catalysis Surveys from Asia"
DOI: 10.1007/s10563-017-9226-1
Abstract: The recent development of an environmentally benign solid acid catalyst has been a relatively cutting-edge area of research in the synthesis of value added esters and biodiesel. Solid acid catalysts are economically viable, effective, and… read more here.
Keywords: solid acid; acid functionalized; acid catalyst; functionalized solid ... See more keywords
Esterification of Palm Fatty Acid Distillate for FAME Synthesis Catalyzed by Super-Acid Catalyst HClSO3–ZrO2
Sign Up to like & getrecommendations! Published in 2020 at "Waste and Biomass Valorization"
DOI: 10.1007/s12649-020-00949-y
Abstract: Abstract The current work investigates biodiesel synthesis from the cheaper source- palm fatty acid distillate (PFAD) using HClSO 3 –ZrO 2 acid catalyst. The effect of various physicochemical parameters such as molar ratio, catalyst loading,… read more here.
Keywords: acid distillate; acid catalyst; fatty acid; palm fatty ... See more keywords
Furfural production in a biphasic system using a carbonaceous solid acid catalyst
Sign Up to like & getrecommendations! Published in 2019 at "Applied Catalysis A: General"
DOI: 10.1016/j.apcata.2019.117180
Abstract: Abstract The formation of furfural from xylose was investigated under heterogeneously catalyzed conditions with Starbon®450-SO3H as a catalyst in a biphasic system. Experiments were performed based on a statistical experimental design. The variables considered were… read more here.
Keywords: acid catalyst; catalyst; spectroscopy; solid acid ... See more keywords
Sulfonated Sargassum horneri carbon as solid acid catalyst to produce biodiesel via esterification.
Sign Up to like & getrecommendations! Published in 2021 at "Bioresource technology"
DOI: 10.1016/j.biortech.2020.124614
Abstract: A solid acid catalyst prepared by sulfonated Sargassum horneri carbon was utilized for the esterification reaction of oleic acid and methanol. The formed amorphous carbon layers during carbonization and the access of sulfonic acid groups… read more here.
Keywords: solid acid; catalyst; carbon; acid catalyst ... See more keywords
Selenium-doped carbon: An unexpected efficient solid acid catalyst for Beckmann rearrangement of ethyl 2-(2-aminothiazole-4-yl)-2-hydroxyiminoacetate
Sign Up to like & getrecommendations! Published in 2019 at "Catalysis Communications"
DOI: 10.1016/j.catcom.2019.105730
Abstract: Abstract In this study, Se-doped carbon, which is different from reported Se-containing compounds or materials, did not act as an oxygen carrier catalyst in the reaction of ethyl 2-(2-aminothiazole-4-yl)-2-hydroxyiminoacetate with H 2 O 2 but… read more here.
Keywords: doped carbon; acid catalyst; catalyst; solid acid ... See more keywords
Magnetically recyclable solid acid catalyst Fe3O4@ETMS-TETA-SO3H for efficient alcoholysis of dioscin from Dioscorea Zingiberensis C.H.Wrigh
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DOI: 10.1016/j.catcom.2020.106066
Abstract: Abstract A new type magnetic solid acid catalyst (Fe3O4@ETMS-TETA-SO3H) was prepared and applied in the alcoholysis of dioscin from Dioscorea Zingiberensis C.H.Wrigh to obtain diosgenin for the first time. The solid acid was characterized by… read more here.
Keywords: solid acid; acid catalyst; fe3o4 etms; catalyst fe3o4 ... See more keywords
Sulfonated biochar as acid catalyst for sugar hydrolysis and dehydration
Sign Up to like & getrecommendations! Published in 2018 at "Catalysis Today"
DOI: 10.1016/j.cattod.2018.02.034
Abstract: Abstract This study investigated the use of 30 w/v% H2SO4 sulfonated wood waste-derived biochar as catalysts for production of value-added chemicals from carbohydrates in water as an environmentally benign solvent. Physicochemical characteristics of the sulfonated biochar… read more here.
Keywords: acid catalyst; sulfonated biochar; hydrolysis; spectroscopy ... See more keywords
One-pot synthesis of a chemically functional magnetic carbonaceous acid catalyst for fermentable sugars production from sugarcane bagasse
Sign Up to like & getrecommendations! Published in 2020 at "Fuel"
DOI: 10.1016/j.fuel.2019.116512
Abstract: Abstract Magnetic carbonaceous acid catalyst was synthesized from nano-Fe3O4 powder, glucose and hydroxyethyl-sulfonic acid by a novel method of one-pot hydrothermal precipitation-sulfonation. It was found that the prepared C-SO3H@Fe3O4/C catalyst had high acidity (1.23 mmol g−1) and… read more here.
Keywords: carbonaceous acid; acid catalyst; sugarcane bagasse; magnetic carbonaceous ... See more keywords
Dilute sulfonic acid post functionalized metal organic framework as a heterogeneous acid catalyst for esterification to produce biodiesel
Sign Up to like & getrecommendations! Published in 2020 at "Fuel"
DOI: 10.1016/j.fuel.2020.117149
Abstract: Abstract In order to synthesize the efficient heterogeneous acid catalyst for biodiesel production, concentrated sulfuric acid (>18.4 mol/L) is commonly used as sulfonated reagent to anchor sulfonic acid group ( SO3H) on a support. However, large… read more here.
Keywords: catalyst; acid catalyst; esterification; sulfonic acid ... See more keywords