[4 + 2]-Cycloaddition an 1,1-Bis(3-indolyl)ethene als 3-Vinylindoläquivalente mit gekreuzt konjugiertem 6π System
1,1-Bis(3-indolyl)ethenes (3) react as 4π electron systems with dienophiles (e.g. acrylic acid methyl ester, tetracyanoethylene, benzyne, maleic anhydride, and 4-phenyl-1,2,4-triazoline-3,5-dione) to give cycloadducts of Diels-Alder type. The results demonstrate, that [4 + 2]-cycloaddition with vin...
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| Main Authors: | , |
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| Format: | Article |
| Language: | deu |
| Published: |
Swiss Chemical Society
1986-04-01
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| Series: | CHIMIA |
| Online Access: | https://www.chimia.ch/chimia/article/view/9726 |
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| Summary: | 1,1-Bis(3-indolyl)ethenes (3) react as 4π electron systems with dienophiles (e.g. acrylic acid methyl ester, tetracyanoethylene, benzyne, maleic anhydride, and 4-phenyl-1,2,4-triazoline-3,5-dione) to give cycloadducts of Diels-Alder type. The results demonstrate, that [4 + 2]-cycloaddition with vinylindole equivalents represents a strategy be realized for deriving selectively functionalized carbazole derivatives.
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| ISSN: | 0009-4293 2673-2424 |