ORGANIC CHEMISTRY Chapter 3 o Carbocations are electron deficient. The have only six electron in their valence shell, and because of this carbocations are lewis acids o Carbocations occur as intermediates in some organic reactions o Carbocations react rapidly with Lewis bases C C-B Carbocation anion (a lewis acid )(a lewis base) A electrophile A nucleophile Department of Chemistry, Xiamen University
ORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 3 Carbocations are electron deficient. The have only six electron in their valence shell, and because of this carbocations are Lewis acids. Carbocations occur as intermediates in some organic reactions. Carbocations react rapidly with Lewis bases. C + B Carbocation C B (a Lewis acid) anion (a Lewis base) A electrophile A nucleophile
ORGANIC CHEMISTRY Chapter 3 o Carbanions are lewis bases Nucleophile C + H-A C-H + A Carbanion Lewis acid (a lewis base C-+—C—L C—C +-L Carbanion Lewis acid a Lewis base Department of Chemistry, Xiamen University
ORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 3 Carbanions are Lewis bases. Nucleophile C + Carbanion C H Lewis acid (a Lewis base) H Aδ δ + A C + Carbanion C Lewis acid (a Lewis base) L δ δ C L C +