aromaticity - Carbons will be at the level of the -MOs...

Info iconThis preview shows pages 1–12. Sign up to view the full content.

View Full Document Right Arrow Icon
Aromaticity and Aromatic Compounds
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Benzene Dewar's Prisnane fulnane Benzene or
Background image of page 2
Aromatic Compounds (from coal and petroleum)
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Nomenclature (common names)
Background image of page 4
Clues to benzene’s differences
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
The Π molecular orbitals
Background image of page 6
Hückel’s Rule: odd number of electron pairs (4n+2), where n may be 0, 1 , 2, 3… Why? (other requirements: planar, cyclic)
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Arrangement of those orbitals: • for carbon containing rings, place ring on a point.
Background image of page 8
Background image of page 9

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 10
Background image of page 11

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 12
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Carbons will be at the level of the -MOs Cyclopentadiene has a pk a of 1 6! Compare to other sp 2 systems Other Aromatics: When to count that lone pair? Anti-aromatic (4n electrons) To be avoided at all costs Hard to form anti-aromatic systems Cyclooctatetraene reacts like an open chain polyene and is tub shaped...
View Full Document

Page1 / 12

aromaticity - Carbons will be at the level of the -MOs...

This preview shows document pages 1 - 12. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online