Copper(I)-Catalyzed Sandmeyer-Type S-Arylation of 1-Thiosugars with Aryldiazonium Salts under Mild Conditions

R Venkatesh, V Tiwari… - The Journal of Organic …, 2022 - ACS Publications
Preparation of S-aryl thioglycosides from 1-thiosugars via S-arylation was demonstrated
under mild reaction conditions. A wide range of protected and unprotected 1-thiosugars …

Preparation and properties of polyphenylene sulfide/oxidized-polyphenylene sulfide composite membranes

M Zhang, Y Gao, Y Zhang, M Zhang, Y Gao… - Reactive and Functional …, 2021 - Elsevier
In recent years, polyphenylene sulfide (PPS) membranes have gained immense attention
owing to their excellent separation performance. However, a single material is often …

Sodium sulfate–hydrogen peroxide–sodium chloride adduct: Selective protocol for the oxidative bromination, iodination and temperature dependent oxidation of …

EM Gayakwad, KP Patel, GS Shankarling - New Journal of Chemistry, 2019 - pubs.rsc.org
The regioselective bromination and iodination of unprotected aromatic primary amines using
enclathrated hydrogen peroxide as an oxidant under mild conditions has been developed …

Montmorillonite K-10 catalyzed synthesis of Hantzsch dihydropyridine derivatives from methyl arenes via in situ generated ammonia under microwave irradiation in …

V Singh, K Rajput, S Singh, V Srivastava - RSC advances, 2024 - pubs.rsc.org
An expeditious, efficient, and environmentally friendly approach has been established for
the synthesis of diverse Hantzsch 1, 4-dihydropyridine derivatives utilizing montmorillonite K …

Synthesis of photolabile protecting group (PPG) protected uronic acid building blocks: applications in carbohydrate synthesis with the assistance of a continuous flow …

V Tiwari, AK Singh, P Chaudhary… - Organic Chemistry …, 2019 - pubs.rsc.org
Photolabile protecting group (PPG) protected uronic acid building blocks were prepared and
used for carbohydrate synthesis. Deprotection of the photolabile protecting group was …

A highly efficient TEMPO mediated oxidation of sugar primary alcohols into uronic acids using 1-chloro-1, 2-benziodoxol-3 (1H)-one at room temperature

V Tiwari, VN Badavath, AK Singh, J Kandasamy - Tetrahedron letters, 2018 - Elsevier
Oxidation of various sugar primary alcohols into corresponding uronic acids was
demonstrated using 1-chloro-1, 2-benziodoxol-3 (1H)-one and TEMPO. The reaction …

An efficient and direct esterification of uronic acids using H2SO4-SiO2 at room temperature

V Tiwari, K Murugan, S Sabiah, J Kandasamy - Tetrahedron Letters, 2022 - Elsevier
A simple and convenient method for the esterification of various monosaccharide and
disaccharide uronic acids, derived from glucose, galactose and mannose, was developed …

Activation of thioglycosides under mild alkylation conditions

N Forsythe, L Liu, GA Kashiwagi, AV Demchenko - Carbohydrate Research, 2023 - Elsevier
Reported herein is the development of a novel method for the activation of thioglycosides
and thioimidates using benzyl trichloroacetimidate in the presence of catalytic triflic acid …

Syntheses of Orthogonally Protected d‐Galactosamine, d‐Allosamine and d‐Gulosamine Thioglycoside Building Blocks with N‐phthalimido Groups

D Chatterjee, S Nayak, A Paul… - Asian Journal of Organic …, 2019 - Wiley Online Library
Abstract Amino sugars, d‐galactosamine (2‐deoxy‐2‐aminogalactose), d‐allosamine (2‐
deoxy‐2‐aminoallose) and d‐gulosamine (2‐deoxy‐2‐aminogulose) are components of …

Alkyl Ammonium Tungstate Bonded to Fe3O4@ SiO2 Nanoparticles; a highly efficient Catalyst for the Oxidation of Symmetrical Sulfides to Symmetrical Sulfoxides

SM Khatami, M Khalaj, M Ghashang - Iranian Journal of Catalysis, 2023 - oiccpress.com
A magnetic organic-inorganic hybrid of Fe3O4@ SiO2-functionalized propylpiperazine-1, 4-
diium tungstate (A) nanoparticles with a spherical structure was prepared and completely …