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Chapter 7: Delocalized Electrons and their Effect on Stability, Reactivity, and pKa - Ultraviolet and Visible Spectroscopy | |
Model | Comment |
|---|---|
| 1,2-Difluorobenzene | Isomerism of Benzenes. |
| 1,3-Diflorobenzene | Isomerism of Benzenes. |
| 1,4-Difuorobenzene | Isomerism of Benzenes. |
| Benzene | Structure of benzene. |
| Cyclohexane | Structure of benzene. |
| Resonance structures of benzene | Resonance contributors. |
| Resonance structures of benzene | Resonance contributors. |
| Cyclooctatetraene | Resonance contributors. |
| Nitroethane | Resonance hybrids. |
| Nitroethane | Resonance hybrids. |
| 2-Penten-3-yl cation | Resonance hybrids and stability. |
| Acetone enolate ion | Resonance hybrids. |
| Acetone enolate ion | Resonance hybrids. |
| Allyl bromide | Stability of the allyl cation and radical. |
| Allylic cation | Stability of the allyl cation and radical. |
| Benzyl cation | Stability of the benzyl cation. |
| Benzyl cation | Stability of the benzyl cation. |
| 1,4-Pentadiene | Stability of dienes: isolated. |
| 2,3-Pentadiene | Stability of dienes: cumulated. |
| 2,3-Pentadiene | Stability of dienes: cumulated. |
| (E)-1,3-Pentadiene | Stability of dienes. |
| (2E,4E)-2,4-Hexadiene | Diene examples: conjugated. |
| Zingiberene | Triene example: natural product. |
| 2-Methyl-1,5-hexadiene | Electrophilic addition: isolated double bonds. |
| (S)-5-Chloro-5-methyl-1-hexene | Electrophilic addition: isolated double bonds. |
| (S)-3,4-Dichloro-1-butene | Electrophilic addition: conjugated double bonds. |
| (E)-1,4-Dichloro-2-butene | Electrophilic addition: conjugated double bonds. |
| Allylic cation from 1,3-Butadiene | Electrophilic addition: conjugated double bonds. |
| Allylic cation from 1,3-Butadiene | Electrophilic addition: conjugated double bonds. |
| Ethoxide | Electron delocalization and pKa. |
| Acetate anions | Electron delocalization and pKa. |
| Phenol | Electron delocalization and pKa. |
| Phenoxide anion | Electron delocalization and pKa. |
| Anilinium ion | Electron delocalization and pKa. |
| Aniline | Electron delocalization and pKa. |
| para-Aminobenzoic acid | Sunscreens. |
| 2-Ethylhexyl 4-(dimethylamino)benzoate | Sunscreens. |
| 2-Ethylhexyl (E)-3-(4-methoxyphenyl)-2-propenate | Sunscreens. |
| beta-Carotene | Polyene example: natural product. |
| Acetone | UV: effect of conjugation. |
| Butenone (methyl vinyl ketone) | UV: effect of conjugation. |
| 1,3,5-Hexatriene | UV: effect of conjugation. |
| 1,3,5,7-Octatetraene | UV: effect of conjugation. |
| Lycopene | UV: effect of conjugation. |
| Phenol | UV: effect of conjugation. |
| Phenoxide anion | UV: effect of conjugation. |
| Methyl orange | Conjugation and color. |
| Butter yellow | Conjugation and color. |
| Pelargonidin | Conjugation and color. |