Electronic regioselectivity in the reactions of pyridinium ylides with tetracyanoethylene
β Scribed by A. M. Shestopalov; Yu. A. Sharanin; I. A. Aitov; V. N. Nesterov; Yu. T. Struchkov; V. P. Litvinov
- Publisher
- Springer US
- Year
- 1991
- Tongue
- English
- Weight
- 663 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0009-3122
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The cycloaddition of diphenylnitrilimine with coumarin and chromone gave the cycloadducts 4 and 5 respectively. The structures of these products were based on elemental and spectral analyses and alternate synthesis. The orientations of the cycloaddition are interpreted in terms of FM0 theory.