[8+3]-Cycloaddition of Tropones with Azaoxyallyl Cations.

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ID: 61835
2019
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Abstract
Although azaoxyallyl cations are widely used as 1,3-dipoles for various cycloaddition reactions leading to nitrogen-containing heterocycles, their application in higher-order cycloaddition reaction remains scarce. Herein, we present the [8+3]-cycloaddition reaction of tropones with in situ generated azaoxyallyl cations allowing the one-step construction of cycloheptatriene-fused 1,4-oxazinones in moderate to good yields. This base-promoted new carbon-oxygen and carbon-nitrogen bond-forming reaction takes place under mild conditions in the absence of transition metal catalysts.
Reference Key
roy201983cycloadditionchemistry Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Roy, Tony;Jacob, Anu;Bhattacharjee, Subrata;Biju, Akkattu T;
Journal Chemistry, an Asian journal
Year 2019
DOI
10.1002/asia.201901198
URL
Keywords
heterocycles 1,4-oxazinones [8+3] cycloaddition azaoxyallyl cations tropones

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