Transition structures and energetics for the Cope rearrangement of cis-1,2-divinylcyclobutane: an ab initio study

Date

2003-05-05

Author

Zora, Metin
Özkan, İlker

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Transition structures and energetics for the Cope rearrangements of cis-1,2-divinylcyclobutane, obtained by RHF/6-31G* and MP2(full)/6-31G*//RHF/6-31G* calculations, are reported. Three transition structures (endo-boatlike, chairlike and exo-boatlike) have been located, giving rise to formation of cis,cis-, cis,trans- and trans,trans- 1,5-cyclooctadienes, respectively. cis-1,2-divinylcyclobutane rearranges via an endo-boatlike transition structure and yields the corresponding cis,cis product with higher exothermicity. Formation of severely strained cis,trans- and trans,trans-1,5-cyclooctadienes from this rearrangement is also discussed.

Subject Keywords

Divinylcyclobutane, Moller-Plesset, 1,5-cyclooctadiene, Cope rearrangement, Pericyclic, Ab initio, Hartree-Fock

URI

https://hdl.handle.net/11511/31133

Collections

Graduate School of Natural and Applied Sciences, Article