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- Title
Cs<sub>2</sub>CO<sub>3</sub>‐Promoted [2+2+2] Cycloaddition Reaction of 4‐Aryliden‐5(4H)‐Oxazolones and β‐Nitrostyrenes: Access to Spirocycloalkyloxazolones.
- Authors
Dai, Chenlu; Xie, Zengyang; Li, Mingshuang; Wang, Cunde
- Abstract
An eco‐friendly, straightforward, and three‐component [2+2+2] cycloaddition reaction of 4‐aryliden‐2‐phenyl‐5(4H)‐oxazolones and substituted β‐nitrostyrenes to construct diversified 3‐oxa‐1‐azaspiro[4.5]dec‐1‐en‐4‐ones has been developed with good yields and regio‐ and diastereoselectivity. This reaction proceeds via a one‐pot [2+2+2] cycloaddition utilizing cesium carbonate as a promoter and shows high atom economy under the reaction conditions.
- Subjects
RING formation (Chemistry); CESIUM
- Publication
Asian Journal of Organic Chemistry, 2020, Vol 9, Issue 1, p61
- ISSN
2193-5807
- Publication type
Article
- DOI
10.1002/ajoc.201900632