Environmentally benign synthesis of heterocyclic compounds by combined microwave-assisted heterogeneous catalytic approaches

A Daştan, A Kulkarni, B Török - Green chemistry, 2012 - pubs.rsc.org
Recent advances in the application of heterogeneous catalysis combined with microwave
irradiation in the synthesis of heterocyclic compounds are reviewed. While a detailed …

PEG as an alternative reaction medium in metal-mediated transformations

E Colacino, J Martinez, F Lamaty, LS Patrikeeva… - Coordination Chemistry …, 2012 - Elsevier
Poly (ethylene glycol) s (PEGs) are an interesting environment-friendly alternative to
classical solvents. Their combination with metals and metallic salts provides powerful …

Copper (I)-catalyzed synthesis of 2, 5-disubstituted furans and thiophenes from haloalkynes or 1, 3-diynes

H Jiang, W Zeng, Y Li, W Wu, L Huang… - The Journal of Organic …, 2012 - ACS Publications
A regioselective synthesis of 2, 5-disubstituted furans using copper (I) catalyst from
haloalkynes in a one-pot procedure has been reported. This chemistry proceeds through the …

Synthesis of unsymmetrical 1, 4-dicarbonyl compounds by photocatalytic oxidative radical additions

Y Dong, R Li, J Zhou, Z Sun - Organic Letters, 2021 - ACS Publications
Herein we report a photocatalytic oxidative radical addition reaction for the synthesis of
unsymmetrical 1, 4-dicarbonyl compounds. This reaction utilizes a desulfurization process to …

Palladium-catalyzed approach to the synthesis of five-membered O-heterocycles

N Kaur - Inorganic Chemistry Communications, 2014 - Elsevier
In recent decades, a large number of reports related to the synthesis of N, O and S
containing heterocycles have appeared owing to a wide variety of their biological activity …

Electrochemical chemoselective hydrogenation of 1, 4-enediones with HFIP as the hydrogen donor: scalable access to 1, 4-diketones

HR Li, XY Guo, MZ Guo, K Liu, LR Wen, M Li… - Organic & …, 2023 - pubs.rsc.org
A straightforward electrochemical protocol for efficient hydrogenation of unsaturated CC
bonds has been reported in an undivided cell. A series of versatile 1, 4-diketones are …

Dicarbonyl compounds in O-heterocycle synthesis

N Kaur, P Grewal, K Poonia - Synthetic Communications, 2021 - Taylor & Francis
Heterocycles have maintained their popularity among researchers in all these years due to
their important activities in pharmaceuticals. Several reports on the synthesis of heterocycles …

Visible-light-induced dual acylation of alkenes for the construction of 3-substituted chroman-4-ones

YC Liu, P Chen, XJ Li, BQ Xiong, Y Liu… - The Journal of …, 2022 - ACS Publications
Heterocyclic compounds, especially oxygen-containing heterocyclic compounds, are crucial
moieties in bioactive compounds and drug leads. Substituted chroman-4-ones are a kind of …

Improved methodologies for the preparation of highly substituted pyridines

Y Fernández Sainz, SA Raw… - The Journal of Organic …, 2005 - ACS Publications
Two separate strategies have been developed for the preparation of highly substituted
pyridines from 1, 2, 4-triazines via the inverse-electron-demand Diels− Alder reaction: a …

“Ring breaker”: neural network driven synthesis prediction of the ring system chemical space

A Thakkar, N Selmi, JL Reymond… - Journal of medicinal …, 2020 - ACS Publications
Ring systems in pharmaceuticals, agrochemicals, and dyes are ubiquitous chemical motifs.
While the synthesis of common ring systems is well described and novel ring systems can …