POLAR EFFECTS IN THE TRANSITION-STATE OF THE BERGMAN CYCLIZATION

the kinetic data of enediynes 1a-c it is concluded that electron withdrawing substituents are lowering the free activation energy in the Bergman cycloaromatization by decreasing the repulsion of the in-plane pi-orbitals.

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Bibliographic Details
Published inChemistry letters no. 10; pp. 953 - 954
Main Authors SCHMITTEL, M, KIAU, S
Format Journal Article
LanguageEnglish
Published TOKYO Chemical Soc Japan 01.10.1995
Subjects
Chemistry
Chemistry, Multidisciplinary
Physical Sciences
Science & Technology
ENEDIYNE
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Summary:the kinetic data of enediynes 1a-c it is concluded that electron withdrawing substituents are lowering the free activation energy in the Bergman cycloaromatization by decreasing the repulsion of the in-plane pi-orbitals.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.1995.953