2021年12月3日 · A metal-free [2+2+1] cycloaddition reaction of alkynes, nitriles, and oxygen to polyoxazoles was reported by Dong et al. in 2020. Their work aimed to synthesize a functional …

2023年3月5日 · N- Acylation of oxazole: The 3-position acyl group on the oxazole ring reacts, demonstrating a high level of reactivity toward acylation of oxazoles. Scheme 5. N-acylation of …

2020年3月31日 · In this review, we summarize the recent advances of the synthesis of oxazole-containing molecules utilizing the van Leusen oxazole synthesis from 1972, aiming to look for …

2024年3月9日 · Oxazoles are a class of azoles that contain a five-membered ring with oxygen and nitrogen atoms [8]. Oxazoles have been extensively studied for their many biological and …

2003年7月25日 · Volume 60, Oxazoles: Synthesis, Reactions, and Spectroscopy, Part A proves the sole comprehensive resource on the synthetic chemistry of oxazoles–heterocyclic …

Oxazole compounds, including one nitrogen atom and one oxygen atom in a five-membered heterocyclic ring, are present in various biological activities. Due to binding with a widespread …

2009年1月1日 · The special attention focuses on the nitration reaction of azoles with nitric acid or sulfuric–nitric acid mixture, one of the main synthetic routes to nitroazoles.

The combination of gold catalysis and radical chemistry enables the synthesis of 5-oxazole ketones from internal N-propargylamides in the presence of 4-MeO-TEMPO as an oxidant. …

The present updated volumes relating to oxazoles, oxazolines, and oxazolones are very timely works since these simple five-membered ring heterocycles have contributed much to the …

2019年4月9日 · A Cu II-mediated ortho-C–H nitration using amide-oxazoline as the directing group has been developed. The reactions utilize sodium nitrite as the source of the nitro group …