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Mechanism of the Rearrangement of Vinyl Allene Oxide to 2-Cyclopenten-1-one

✍ Scribed by Hess,, B. Andes; Smentek, Lidia; Brash, Alan R.; Cha, Jin Kun

Book ID
121876394
Publisher
American Chemical Society
Year
1999
Tongue
English
Weight
38 KB
Volume
121
Category
Article
ISSN
0002-7863

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## Abstract Kinetic measurements for the thermal rearrangement of 2,2‐diphenyl‐1‐[(__E__)‐styryl]cyclopropane (**22a**) to 3,4,4‐triphenylcyclopent‐1‐ene (**23a**) in decalin furnished Ξ”__H__$\rm{{\_{isom}^{\ne }}}$=31.0Β±1.2β€…kcal mol^βˆ’1^ and Ξ”__S__$\rm{{\_{isom}^{\ne }}}$=βˆ’6.0Β±2.6β€…e.u. The lowering