Recent advances in 3-aminoindazoles as versatile synthons for the synthesis of nitrogen heterocycles
Y Guo, Q Gao - Organic & Biomolecular Chemistry, 2022 - pubs.rsc.org
Nitrogen-based heterocycles are an important class of structural scaffolds distributed in
biologically active natural products, medicinal chemistry, and agrochemicals. Hence, there is …
biologically active natural products, medicinal chemistry, and agrochemicals. Hence, there is …
Eco-friendly and sustainable synthetic approaches to biologically significant fused N-heterocycles
This review summarizes environmentally benign approaches for the synthesis of fused N-
heterocycles since 2011. It is mainly focused on one-pot, multicomponent protocols for …
heterocycles since 2011. It is mainly focused on one-pot, multicomponent protocols for …
Visible Light-Induced Cascade Cyclization of 3-Aminoindazoles, Ynals, and Chalcogens: Access to Chalcogen-Containing Pyrimido[1,2-b]-indazoles
J Zhou, W Li, H Zheng, Y Pei, X Liu, H Cao - Organic Letters, 2021 - ACS Publications
A direct cascade cyclization of 3-aminoindazoles, ynals, and accessible chalcogens
facilitated by visible light has been developed. A series of fluoroactive selenium/tellurium …
facilitated by visible light has been developed. A series of fluoroactive selenium/tellurium …
A Straightforward Approach to Fluorinated Pyrimido[1,2-b]indazole Derivatives via Metal/Additive-Free Annulation with Enaminones, 3-Aminoindazoles, and …
Z Xu, X Geng, Y Cai, L Wang - The Journal of Organic Chemistry, 2022 - ACS Publications
A novel and efficient three-component reaction with two C–N bonds and one C–F bond
formation has been reported, which provides a straightforward route to a variety of …
formation has been reported, which provides a straightforward route to a variety of …
Hydrogen-Borrowing Reduction/Dehydrogenative Aromatization of Nitroarenes through Visible-Light-Induced Energy Transfer: An Entry to Pyrimidoindazoles and …
Z Qu, X Ji, S Tang, GJ Deng, H Huang - Organic Letters, 2022 - ACS Publications
Herein, we describe a novel visible-light-induced protocol for hydrogen-borrowing reduction/
dehydrogenation aromatization/cyclization of nitroarenes by energy transfer. The present …
dehydrogenation aromatization/cyclization of nitroarenes by energy transfer. The present …
Immobilization of–OSO3H on activated carbon powder and its use as a heterogeneous catalyst in the synthesis of phthalazine and quinoline derivatives
Anchoring–OSO 3 H on activated carbon powder presents an innovative approach in the
green catalysis field by improving its performance for synthesizing several organic …
green catalysis field by improving its performance for synthesizing several organic …
Synthesis of tunable fluorescent imidazole-fused heterocycle dimers
Q Zheng, X Li, K Kurpiewska, A Domling - Organic letters, 2022 - ACS Publications
A short, concise, and one-pot synthesis of imidazo-fused heterocycle dimers with tunable
fluorescent properties has been developed. By the first time use of glyoxal dimethyl acetal in …
fluorescent properties has been developed. By the first time use of glyoxal dimethyl acetal in …
Pyrimido [1, 2-b] indazole derivatives: Selective inhibitors of human monoamine oxidase B with neuroprotective activity
Structurally diverse heterotricyclic compounds are recognized as monoamine oxidase
(MAO) inhibitors and thus represent an appealing scaffold in development and optimization …
(MAO) inhibitors and thus represent an appealing scaffold in development and optimization …
Aerobic α,β-C(sp3)–H Bond Difunctionalization and C–N Bond Cleavage of Triethylamine: Difunctional Ammonium Iodide Enabling the Regioselective Synthesis of 4 …
Q Gao, X Han, P Tong, Z Zhang, H Shen, Y Guo… - Organic …, 2019 - ACS Publications
A novel method for the regioselective synthesis of 4-arylpyrimido [1, 2-b] indazoles has been
developed via the dual C (sp3)–H bond functionalization and C–N bond cleavage of …
developed via the dual C (sp3)–H bond functionalization and C–N bond cleavage of …
Silver-mediated synthesis of novel 3-CF 3/CN/phosphonate-substituted pyrazoles as pyrrolomycin analogues from 3-formylchromones and diazo compounds
X Peng, X Zhang, S Li, Y Lu, L Lan… - Organic Chemistry …, 2019 - pubs.rsc.org
Herein, a simple and regioselective synthesis of (2-hydroxyphenyl)(3-(trifluoromethyl/cyano/
phosphonate)-1H-pyrazol-5-yl) methanones as pyrrolomycin analogues was reported. This …
phosphonate)-1H-pyrazol-5-yl) methanones as pyrrolomycin analogues was reported. This …