Ring Strain Effects in Enyne-Allene Ther
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Michael Schmittel; Jens-Peter Steffen; Dominik Auer; Michael Maywald
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Article
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1997
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Elsevier Science
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French
β 485 KB
The mode of the thermal cyclization of enyne-allenes 1 depends on ring strain effects: when the ene functionality is part of a benzene, cyclohexene or cycloheptene ring the novel C2-C6biradicrd cyclization is observed, while when it is part of a cyclopentene ring the Myers-Saito cycloaromatization i