B–SBA-15–SO3H: a versatile mesoporous catalyst
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Porous Materials"
DOI: 10.1007/s10934-017-0364-7
Abstract: Novel approach was developed towards the synthesis of heterogeneous mesoporous B–SBA-15–SO3H acid catalysts. That is: B–SBA-15 materials were hydrothermally synthesized by using three different boron sources (boric acid, trisiopropylborate and potassium borohydride) and then post-synthetically… read more here.
Keywords: so3h; so3h versatile; versatile mesoporous; boron ... See more keywords
[BBSA-DBN][HSO4]: a novel –SO3H functionalized Bronsted acidic ionic liquid for easy access of quinoxalines
Sign Up to like & getrecommendations! Published in 2020 at "Research on Chemical Intermediates"
DOI: 10.1007/s11164-020-04227-3
Abstract: A novel –SO3H difunctionalized Bronsted acidic ionic liquid (BAIL) 1, 5-bis (butanesulphonic acid)-diazobicyclo [4,3,0] non-5-enium hydrogen sulphate [BBSA-DBN][HSO4] is introduced for efficient synthesis of quinoxalines via condensation of substituted 1,2-diketones and various aromatic 1,2-diamines. It… read more here.
Keywords: so3h; bbsa dbn; dbn hso4; ionic liquid ... See more keywords
Carbon–SO3H derived from glycerol: a green recyclable catalyst for synthesis of 2,3-dihydroquinazolin-4(1H)-ones
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the Iranian Chemical Society"
DOI: 10.1007/s13738-017-1202-1
Abstract: In this study, we have described a clean and facile condensation reaction of various aromatic aldehydes or cyclic ketones with 2-aminobenzamide under mild conditions in the presence of C–SO3H as an efficient catalyst derived from… read more here.
Keywords: so3h; catalyst; dihydroquinazolin ones; derived glycerol ... See more keywords
Efficient hydrolysis of cellulose to glucose catalyzed by lignin-derived mesoporous carbon solid acid in water
Sign Up to like & getrecommendations! Published in 2020 at "Chinese Journal of Chemical Engineering"
DOI: 10.1016/j.cjche.2020.03.012
Abstract: Abstract Two kinds of mesoporous carbon solid acids (LDMCE-SO3H and LDMCS-SO3H) were successfully prepared using masson pine alkali lignin as carbon source by evaporation-induced self-assembly (EISA) and salt-induced self-assembly (SISA) followed by sulfonation, respectively. In… read more here.
Keywords: so3h; carbon; ldmce so3h; water ... See more keywords
Highly Efficient Catalytic Esterification in an −SO3H-Functionalized Cr(III)-MOF
Sign Up to like & getrecommendations! Published in 2018 at "Industrial & Engineering Chemistry Research"
DOI: 10.1021/acs.iecr.8b01239
Abstract: A sulfonic acid functionalized metal–organic framework (MOF) Cr3(μ3-O)(H2O)3(NDC(SO3H5/6)2)3 (BUT-8(Cr)-SO3H, NDC(SO3H)22– = 4,8-disulfonaphthalene-2,6-dicarboxylatlate) with high chemical and thermal stability is used for the catalytic esterification, showing excellent performance in various esterification reactions of monoacids, diacids, and… read more here.
Keywords: so3h; mof; esterification; efficient catalytic ... See more keywords
Sulfonic Acid-Grafted Hybrid Porous Polymer Based on Double-Decker Silsesquioxane as Highly Efficient Acidic Heterogeneous Catalysts for the Alcoholysis of Styrene Oxide.
Sign Up to like & getrecommendations! Published in 2023 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c17732
Abstract: β-Alkoxyalcohols generated from epoxide ring-opening reactions are significant due to their enormous value as pharmaceutical intermediates and fine chemicals. Using a phenyl-substituted double-decker-type silsesquioxane as the precursor, a hybrid porous material (PCS-DDSQ) was synthesized through… read more here.
Keywords: double decker; spectroscopy; so3h; styrene oxide ... See more keywords
In situ synthesis of SO3H supported Fe3O4@resorcinol–formaldehyde resin core/shell and its catalytic evaluation towards the synthesis of hexahydroquinoline derivatives in green conditions
Sign Up to like & getrecommendations! Published in 2020 at "RSC Advances"
DOI: 10.1039/d0ra06972h
Abstract: A novel core@double-shell acidic nanocatalyst (Fe3O4@SiO2@RF–SO3H) was prepared, characterized and applied in catalytic one-pot condensation between aromatic aldehydes, dimedone, malononitrile, and ammonium acetate for synthesis of hexahydroquinoline derivatives. read more here.
Keywords: so3h; synthesis hexahydroquinoline; hexahydroquinoline derivatives; shell ... See more keywords
Synthesis of arylazothiazole dyes in the presence of sulfonated nanostructures
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Sulfur Chemistry"
DOI: 10.1080/17415993.2019.1669603
Abstract: ABSTRACT In this research, SO3H-activated structures such as Fe3O4@SiO2-SO3H, chitosan-SO3H (CS-SO3H), starch-SO3H and montmorillonite-SO3H (MMT-SO3H) were used as solid acid catalysts for the synthesis of 2-amino-5-aryl-azothiazole dyes from the diazo coupling reactions of aromatic amines… read more here.
Keywords: so3h; dyes presence; arylazothiazole dyes; presence sulfonated ... See more keywords
Propylsulfonic Acid-Functionalized Mesostructured Natural Rubber/Silica Nanocomposites as Promising Hydrophobic Solid Catalysts for Alkyl Levulinate Synthesis
Sign Up to like & getrecommendations! Published in 2022 at "Nanomaterials"
DOI: 10.3390/nano12040604
Abstract: Organosulfonic acid-functionalized mesoporous silica is a class of heterogeneous acid catalysts used in esterification processes due to its high surface area, shape-selective properties, and strongly acidic sites. Since water is generated as a by-product of… read more here.
Keywords: silica; so3h; surface; acid ... See more keywords