Photochemical and electrochemical synthesis of oxazoles and isoxazoles: An update
This review presents an outline of current advancements in the photochemical and
electrochemical synthesis of oxazoles and isoxazoles. Oxazole and isoxazole are important …
electrochemical synthesis of oxazoles and isoxazoles. Oxazole and isoxazole are important …
Ultrasound-assisted transition-metal-free catalysis: a sustainable route towards the synthesis of bioactive heterocycles
B Borah, LR Chowhan - RSC advances, 2022 - pubs.rsc.org
Heterocycles of synthetic and natural origin are a well-established class of compounds
representing a broad range of organic molecules that constitute over 60% of drugs and …
representing a broad range of organic molecules that constitute over 60% of drugs and …
Electrochemical Organoselenium Catalysis for the Selective Activation of Alkynes: Easy Access to Carbonyl-pyrroles/oxazoles from N-Propargyl Enamines/Amides
Intramolecular electro-oxidative addition of enamines or amides to nonactivated alkynes
was attained to access carbonyl-pyrroles or-oxazoles from N-propargyl derivatives …
was attained to access carbonyl-pyrroles or-oxazoles from N-propargyl derivatives …
Electrochemical synthesis of polysubstituted oxazoles from ketones and acetonitrile
L Bao, C Liu, W Li, J Yu, M Wang, Y Zhang - Organic Letters, 2022 - ACS Publications
Herein we report an electrochemical strategy for the construction of polysubstituted oxazoles
from easily available ketones and acetonitrile under room temperature. The method shows …
from easily available ketones and acetonitrile under room temperature. The method shows …
Diverse catalytic systems for nitrogen-heterocycle formation from O-acyl ketoximes
Z Qu, T Tian, GJ Deng, H Huang - Chinese Chemical Letters, 2023 - Elsevier
O-Acyl ketoximes has been proven to be versatile building blocks for practical construction
of N-heterocycles. In the last few years, diverse catalytic systems have been discovered to …
of N-heterocycles. In the last few years, diverse catalytic systems have been discovered to …
4‐Hydroxycoumarin: A versatile substrate for transition‐metal‐free multicomponent synthesis of bioactive heterocycles
B Borah, K Dhar Dwivedi… - Asian Journal of Organic …, 2021 - Wiley Online Library
One‐pot multi‐component reactions especially under transition‐metal‐free catalysis served
as an efficient, and environmentally friendly method for the construction of value‐added …
as an efficient, and environmentally friendly method for the construction of value‐added …
Odorless isocyanide chemistry: one-pot synthesis of heterocycles via the Passerini and postmodification tandem reaction based on the in situ capture of isocyanides
N Liu, F Chao, MG Liu, NY Huang, K Zou… - The Journal of organic …, 2019 - ACS Publications
This paper reports the tandem reaction strategy of the Passerini/Staudinger/aza-Wittig
reaction based on the in situ capture of isocyanides. According to this strategy, isocyanides …
reaction based on the in situ capture of isocyanides. According to this strategy, isocyanides …
Photocatalytic benzylic C–H oxidation/cyclization of enaminones to the synthesis of polysubstituted oxazoles
M Li, Z He, W Zhao, Y Yu, F Huang… - The Journal of Organic …, 2023 - ACS Publications
Photocatalytic benzylic C–H oxidation/cyclization of enaminones was efficiently achieved to
afford oxazole derivatives under mild conditions. The oxygen in the oxazole ring originated …
afford oxazole derivatives under mild conditions. The oxygen in the oxazole ring originated …
Introducing the use of a recyclable solid electrolyte for waste minimization in electrosynthesis: preparation of 2-aryl-benzoxazoles under flow conditions
The necessary use of large amounts of a homogeneous electrolyte represents a major issue
and challenge for the whole sustainability of electrosynthetic procedures. Herein, we report …
and challenge for the whole sustainability of electrosynthetic procedures. Herein, we report …
I 2/TBHP-mediated oxidative cascade cyclization of vinyl azide and benzylamine to construct 2, 5-disubstituted oxazoles
A one-pot facile synthesis of disubstituted oxazoles has been achieved from vinyl azide and
benzylamine. A coherent mixture of iodine and tert-butyl hydroperoxide (TBHP) efficiently …
benzylamine. A coherent mixture of iodine and tert-butyl hydroperoxide (TBHP) efficiently …