Oxime ether synthesis through O–H functionalization of oximes with diazo esters under blue LED irradiation

Q Li, BG Cai, L Li, J Xuan - Organic Letters, 2021 - ACS Publications
A green and sustainable oxime ether formation method via the visible-light-promoted O–H
functionalization of oximes with diazo esters is described. The reaction occurs under very …

Novel class of chalcone oxime ethers as potent monoamine oxidase-B and acetylcholinesterase inhibitors

JM Oh, TM Rangarajan, R Chaudhary, RP Singh… - Molecules, 2020 - mdpi.com
Previously synthesized novel chalcone oxime ethers (COEs) were evaluated for inhibitory
activities against monoamine oxidases (MAOs) and acetylcholinesterase (AChE). Twenty …

Copper-catalyzed [1, 3]-nitrogen rearrangement of O-aryl ketoximes via oxidative addition of N–O bond in inverse electron flow

M Suzuki, M Terada, I Nakamura - Chemical Science, 2023 - pubs.rsc.org
The [1, 3]-nitrogen rearrangement reactions of O-aryl ketoximes were promoted by N-
heterocyclic carbene (NHC)-copper catalysts and BF3· OEt2 as an additive, affording ortho …

Synthesis of oxime ethers via a formal reductive O–H bond insertion of oximes to α-keto esters

N Takeda, R Maeda, M Yasui, M Ueda - Chemical Communications, 2024 - pubs.rsc.org
This study describes an efficient approach to access oxime ethers via P (III)-mediated O–H
bond insertion reaction of oximes with α-keto esters. The strategy involves the protonation of …

Aldoxime-and hydroxy-functionalized chalcones as highly potent and selective monoamine oxidase-B inhibitors

JM Oh, TM Rangarajan, R Chaudhary… - Journal of Molecular …, 2022 - Elsevier
A panel of 30 chalcone derivatives, including 19 aldoxime-chalcone ethers (ACE), and 11
hydroxyl‑chalcones (HC), previously synthesized using a Pd-catalyzed C–O cross-coupling …

Cu‐Catalyzed Cascade Cyclization of Ketoxime Acetates and Alkynals Enabling Synthesis of Acylpyrroles

Z Xu, N Xian, H Chen, GJ Deng… - Chinese Journal of …, 2021 - Wiley Online Library
Main observation and conclusion A facile copper‐based catalytic system has been
developed to enable efficient cyclization of methylketoximes and alkynals. This protocol …

Copper-catalyzed oxidative dehydrogenative [3+ 2] annulation of oximes with α-amino ketones: entry to 3-aminopyrroles

YY Liu, M Hu, JH Li - Organic Chemistry Frontiers, 2024 - pubs.rsc.org
An unprecedented copper-catalyzed oxidative dehydrogenative [3+ 2] annulation of O-acyl
oximes containing α-C (sp3)–H bonds with α-amino ketones for the preparation of 3 …

HFIP mediated oxime ether synthesis: a metal, base and additive free approach

D Dolakasharia, U Bora - Organic & Biomolecular Chemistry, 2025 - pubs.rsc.org
Oxime ethers are extensively present as key components in numerous active
pharmaceutical ingredients and many other synthetically viable organic compounds. Herein …

Three-component reaction of tert-butyl nitrite with indoles and halides: A facile and efficient synthesis of oxime ether derivatives

Z Wu, R Zhu, Y Yang, Y Wu, Z Wang, F Wu - Tetrahedron, 2023 - Elsevier
A mild and efficient one-pot method has been developed for the synthesis of oxime ether
derivatives with up to 85% yield by employing tert-butyl nitrite (TBN) as nitrogen source …

[PDF][PDF] Synthesis of a Series of α, β-Unsaturated Ketoximes and their Corresponding Acetate Esters

TW Jihad, AS Alkazzaz - Iraqi Journal of Science, 2022 - iasj.net
Abstract A series of 1, 3-diarylprop-2-en-1-one oximes (7-12) were synthesized via reaction
of 1, 3-diarylprop-2-en-1-one (1-6) with NH2OH. HCl in dry pyridine. In order to produce the …