Inte 4n 4 8 12 16 4n 2 6 10 14 18 6 i nte

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: tiarom n = inte r num r: 1, 2, 3, e ge be tc. inte 4n = 4, 8, 12, 16... 4n +2 = 6, 10, 14, 18..... 6, I nte rruption of cyclic conjugation: Nonarom . atic Nonarom De ction by 1H NMR: Laboratory Le te NMR: Laboratory cture Exam s of cyclic, de ple localize polye s: d ne Cyclobutadiene ([4]Annulene) Antiaromatic Unstable ve re , ls-Alde dim rization at re Unstable ry active(Die 35K), re ctangular (not square S ). tabilize by bulky d substitue nts. substitue Te te -butyl)cyclobutadie X-ray structure tra( rt ne : This is hot stuff!!! This O O dis h ν , − 100 ° C O O + CO2 Cyclooctatetraene ([8]Annulene) Cyclooctatetraene Nonplanar, which inhibits de localization: Nonplanar, Nonarom (likea polye ). atic ne Nonarom Barrie to ring flip...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online