Graphitic Carbon Nitride Nanosheets Covalently Functionalized with Biocompatible Vitamin B1: Synthesis, Characterization, and Its Superior Performance for …

A Rashidizadeh, H Ghafuri, HR Esmaili Zand… - ACS …, 2019 - ACS Publications
The physical properties of two-dimensional nanosheet materials make them promising
candidates as active materials in the areas of photoelectronics, fuel cells, sensors, water …

Copper-catalyzed aerobic benzylic sp3 C–H oxidation mediated synthesis of 2, 4, 5-trisubstituted imidazoles via a domino multi-component reaction

J Jayram, V Jeena - Green Chemistry, 2017 - pubs.rsc.org
An efficient and practical aerobic benzylic sp3 C–H oxidation as a key step towards the
domino multi-component synthesis of 2, 4, 5-trisubstituted imidazoles has been reported …

Synthesis of 2, 4, 5-trisubstituted imidazoles, quinoxalines and 1, 5-benzodiazepines over an eco-friendly and highly efficient ZrO 2–Al 2 O 3 catalyst

N Thimmaraju, SZM Shamshuddin - RSC advances, 2016 - pubs.rsc.org
ZrO2–Al2O3 containing 80 mol% of ZrO2 was prepared by solution combustion,
impregnation and precipitation methods. All the prepared catalytic materials were …

General copper-catalyzed coupling of alkyl-, aryl-, and alkynylaluminum reagents with organohalides

B Shrestha, S Thapa, SK Gurung… - The Journal of Organic …, 2016 - ACS Publications
We report the first example of a very general Cu-catalyzed cross-coupling of
organoaluminum reagents with organohalides. The reactions proceed for the couplings of …

Amine-functionalized MIL-101 (Cr) embedded with Co (ii) phthalocyanine as a durable catalyst for one-pot tandem oxidative A 3 coupling reactions of alcohols

A Shaabani, R Mohammadian… - New Journal of …, 2018 - pubs.rsc.org
A novel porous postsynthetic-modified metal–organic framework (MIL-101 (Cr)-NH2) was
fabricated via covalent immobilization of cobalt (II) phthalocyanine and characterized by a …

Iridium‐catalyzed carbenoid insertion of sulfoxonium ylides for synthesis of quinoxalines and β‐keto thioethers in water

Y Xu, X Huang, G Lv, R Lai, S Lv, J Li… - European Journal of …, 2020 - Wiley Online Library
Sulfoxonium ylides as safe carbene precursors are described for iridium‐catalyzed carbene
insertions and annulation, providing a facile and green approach to access a variety of …

Copper-catalyzed aerobic oxidative coupling of o-phenylenediamines with 2-aryl/heteroarylethylamines: direct access to construct quinoxalines

K Gopalaiah, A Saini, SN Chandrudu… - Organic & …, 2017 - pubs.rsc.org
A copper-catalyzed oxidative coupling reaction of o-phenylenediamines with 2-aryl/
heteroarylethylamines using molecular oxygen as an oxidant has been developed. This …

Iron-catalyzed one-pot synthesis of quinoxalines: transfer hydrogenative condensation of 2-nitroanilines with vicinal diols

RR Putta, S Chun, SB Lee, J Hong, DC Oh, S Hong - RSC advances, 2021 - pubs.rsc.org
Here, we report iron-catalyzed one-pot synthesis of quinoxalines via transfer hydrogenative
condensation of 2-nitroanilines with vicinal diols. The tricarbonyl (η4-cyclopentadienone) …

Tandem C–N Bond Formation through Condensation and Metal-Free N-Arylation: Protocol for Synthesizing Diverse Functionalized Quinoxalines

YX Jiao, LL Wu, HM Zhu, JK Qin, CX Pan… - The Journal of …, 2017 - ACS Publications
Diverse functionalized quinoxalines were synthesized in good yields from arylamines and
readily available β-keto oximes through condensation and metal-free N-arylation. The …

Cobre: produção industrial e aplicações

LA Silva, MM Victor, WA Lopes, S Cunha - Química Nova, 2019 - SciELO Brasil
This article is dedicated to element copper in honor to International Year of the Periodic
Table celebrated in 2019. Copper is one of the oldest discovered chemical elements and …