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Published in 2019 at "Carbohydrate polymers"
DOI: 10.1016/j.carbpol.2019.02.092
Abstract: Chitin nanocrystal (ChiNC) was fabricated based on p-toluenesulfonic acid -choline chloride deep eutectic solvent treatment. The obtained ChiNC was about 12-44 nm in width and 206-399 nm in length. The crystalline structure and the functional groups of…
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Keywords:
chloride deep;
choline chloride;
toluenesulfonic acid;
acid choline ... See more keywords
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Published in 2018 at "Journal of Molecular Structure"
DOI: 10.1016/j.molstruc.2017.12.030
Abstract: Abstract This article describes the stereodivergent formation of 2,4,6-triaryl-tetrahydro- 2H -pyrans from 1,3,5-triarylpentane-1,5-diols in the presence of the catalytic amount of p -toluenesulfonic acid and their characterization.
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Keywords:
toluenesulfonic acid;
triarylpentane diols;
pyrans triarylpentane;
tetrahydro pyrans ... See more keywords
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Published in 2022 at "RSC Advances"
DOI: 10.1039/d2ra04921j
Abstract: Rapid global industrialization accompanies the discharge of industrial wastewater. p-Toluenesulfonic acid (PTSA), a kind of aromatic sulfonate that belongs to the refractory organic pollutant, is one of the most widely used chemicals in pharmaceutical, dye,…
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Keywords:
toluenesulfonic acid;
fenton;
wastewater;
filtration enhanced ... See more keywords
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Published in 2021 at "Synthesis"
DOI: 10.1055/a-1581-2408
Abstract: A convenient approach for the synthesis of 3-difluoroalkyl phthalides has been developed from phthalaldehydic acids and difluoroenoxysilanes by using relatively inexpensive p-toluenesulfonic acid monohydrate (PTSA) as a catalyst. A series of 3-difluoroalkyl phthalides and cyclic…
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Keywords:
difluoroalkyl phthalides;
difluoroalkyl;
toluenesulfonic acid;
phthalaldehydic acids ... See more keywords
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Published in 2019 at "Synthetic Communications"
DOI: 10.1080/00397911.2018.1540047
Abstract: Abstract A solvent-free, versatile procedure has been developed for the effective synthesis of tert-butanesulfinylimines of a variety of aldehydes using chiral tert-butanesulfinamides under green, sonochemical conditions. This method utilizes silica supported p-toluenesulfonic acid (pTSA·SiO2) as…
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Keywords:
supported toluenesulfonic;
toluenesulfonic acid;
tert;
solvent free ... See more keywords
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Published in 2021 at "Chemistry Letters"
DOI: 10.1246/cl.200877
Abstract: Bronsted acidic deep eutectic solvent (DES) formed from 1:2 mole ratio of imidazole (Im) and p-toluenesulfonic acid (PTSA) [Im:2PTSA] was applied for the first time to synthesize 4-phenyl-1,3-dioxa...
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Keywords:
imidazole toluenesulfonic;
deep eutectic;
acidic deep;
eutectic solvent ... See more keywords
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Published in 2018 at "Journal of Chemical Research"
DOI: 10.3184/174751918x15420201703363
Abstract: 2-Substituted benzimidazoles are selectively synthesised in high yields via the condensation of o-phenylenediamine derivatives with aldehyde derivatives using catalytic amount of p-toluenesulfonic acid coated natural phosphate (NP/PTSA) under mild conditions. The use of NP/PTSA as…
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Keywords:
acid coated;
coated natural;
toluenesulfonic acid;
natural phosphate ... See more keywords
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Published in 2023 at "Crystals"
DOI: 10.3390/cryst13050836
Abstract: The multi-component solid form of febuxostat (FEB) with p-toluenesulfonic acid was synthesized by solvent-drop grinding and cooling-evaporative crystallization and characterized by powder X-ray diffraction (XRPD), thermogravimetry (TGA), differential scanning calorimetry (DSC), and infrared spectroscopy (FT-IR).…
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Keywords:
toluenesulfonic acid;
component;
salt crystal;
multi component ... See more keywords