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Unusual Transformation of Cyclobutenediones into Butenolides
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 Title & Authors
Unusual Transformation of Cyclobutenediones into Butenolides
Kwan Hee Lee; Harold W. Moore;
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 Abstract
Butenolides are prepared from cyclobutenediones when cyclobutenediones are treated with lithium trimethylsilylacetylene, and quenched with water. A plausible mechanism, which contains an allene as an intermediate, is proposed. The usual diradical intermediate may not be formed because of the bulkiness of trimethylsilyl group, and the allenic intermediate may be stabilized by the -silyl group.
 Keywords
Butenolides; Cyclobutendiones; Allene;
 Language
English
 Cited by
 References
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