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- W4243375503 endingPage "2887" @default.
- W4243375503 startingPage "2880" @default.
- W4243375503 abstract "Abstract This reaction is a thermal [1,3]‐sigmatropic carbon shift of vinylcyclopropanes to cyclopentenes and is generally known as a vinylcyclopropane rearrangement, or vinylcyclopropane‐cyclopentene rearrangement. The study finds that this rearrangement can undergo three types of reactions. The experimental evidence shows that the vinylcyclopropane rearrangement to cyclopentene is the dominating reaction because of the heat of formation of cyclopentene is lower than that of vinylcyclopropane, and the activation energy for the vinylcyclopropane rearrangement is lower than that of epimerization. In addition, an extra group on the cyclopropane ring can further lower the activation energy for the vinylcyclopropane rearrangement and an additional group on the vinyl moiety and at the cis ‐position will decrease the reaction rate. Furthermore, the silyl group enhances the reaction rate and stereoselectivity, owing to the hyperconjugation between the carbon‐silyl bond and the vicinal cyclopropane ring orbital. This reaction has very broad application in organic synthesis." @default.
- W4243375503 created "2022-05-12" @default.
- W4243375503 date "2010-09-15" @default.
- W4243375503 modified "2023-10-03" @default.
- W4243375503 title "Vinylcyclopropane Rearrangement" @default.
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- W4243375503 doi "https://doi.org/10.1002/9780470638859.conrr644" @default.
- W4243375503 hasPublicationYear "2010" @default.
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