Nitrile Oxide, Alkenes, Dipolar Cycloaddition, Isomerization and Metathesis Involved in the Syntheses of 2-Isoxazolines

S Krompiec, P Lodowski, A Kurpanik-Wójcik, B Gołek… - Molecules, 2023 - mdpi.com
The involvement of 1, 3-dipolar cycloaddition (1, 3-DP), double bond migration, metathesis,
and nitrile oxide (including in situ-generated nitrile oxide) as dipoles, together with the C= C …

Interrupted Nef reaction of cyclic nitronates: Diastereoselective access to densely substituted α-chloronitroso compounds

RS Malykhin, YD Boyko, YV Nelyubina… - The Journal of …, 2022 - ACS Publications
The reaction of cyclic nitronic esters (isoxazoline-and 5, 6-dihydro-4 H-1, 2-oxazine-N-
oxides) with hydrochloric acid affords geminal chloronitroso compounds bearing a distant …

Arylideneisoxazole-5(4H)-One Synthesis by Organocatalytic Three-Component Hetero-Cyclization

Z Daroughehzadeh, H Kiyani - Polycyclic Aromatic Compounds, 2023 - Taylor & Francis
An expedient, green, practical, and vastly efficient three-component cyclo-condensation is
catalyzed by triphenylphosphine. The 4-arylideneisoxazol-5 (4 H)-one heterocycles are …

A three-component cycloaddition of alkyl trifluorodiazoethane for the synthesis of trifluoromethylated isoxazolines

J Xu, J Liu, H Mei, VA Soloshonok, J Han - Chemistry of Heterocyclic …, 2023 - Springer
An efficient [2+ 2+ 1] cycloaddition reaction of alkyl trifluorodiazoethane with nitrosoarenes
and alkynes has been described. This reaction is conducted under mild conditions with CuI …

Synthetic Exploration of Novel Sulfamoyl Cyanide N‐Oxides in Heterocycle Synthesis

V Krivovicheva, A Bubyrev, S Kalinin… - European Journal of …, 2022 - Wiley Online Library
Abstract Treatment of CH‐diazomethane sulfonamides with tert‐butyl nitrite produces novel
sulfamoyl cyanide N‐oxides which dimerize to form furoxanes. When the reaction is …

[HTML][HTML] Green and three-component synthesis of isoxazolones using natural sunlight and investigating their antibacterial activity

N Alizadeh, H Kiyani, J Albadi - Applied Chemistry, 2023 - chemistry.semnan.ac.ir
The green and efficient three-component reaction between aromatic and heteroaromatic
aldehydes, β-ketoesters (ethyl acetoacetate and ethyl benzoylacetate) and hydroxylamine …

[HTML][HTML] سنتز سبز و سه‌جزیی ایزوکسازولون‌ها با استفاده از نور طبیعی خورشید و بررسی فعالیت ضد باکتری آنها

علیزاده, کیانی, حمزه, البادی, جلال - شیمى کاربردى, 2023‎ - journals.semnan.ac.ir
واکنش سبز و کارآمد سه‌جزیی بین آلدهیدهای آروماتیک و هتروآروماتیک، β-کتواسترها (اتیل
استواستات و اتیل بنزوییل‌استات) و هیدروکسیل‌آمین هیدروکلرید در آب و تحت تابش نور …

Five-membered ring systems with O and N atoms

FM Cordero, D Giomi, F Machetti - Progress in Heterocyclic Chemistry, 2024 - Elsevier
This chapter discusses the five-membered ring systems with O and N atoms such as
isoxazoles, isoxazolines, isoxazolidines, oxazoles, oxazolines, oxazolidines, and …