烷烃和环烷烃的构象异构 ●3. cyclohexane CH H H H CH H H Chair conformation Boat conformation
一、烷烃和环烷烃的构象异构 3. cyclohexane H H H H H H H H Chair conformation H H H CH2 H CH2 Boat conformation H H H H
烷烃和环烷烃的构象异构
一、烷烃和环烷烃的构象异构 C C C C C C C C C C
●axia e equatorial
axial equatorial
烷烃和环烷烃的构象异构 4 Interconversion of chair. half-chair Boat, and twist-boat Conformations - please see text P73
一、烷烃和环烷烃的构象异构 4. Interconversion of Chair,Half-chair, Boat, and Twist-boat Conformations ---- please see text P73
烷烃和环烷烃的构象异构 5. Substituted cyclohexane ●1) monosubstituted s the stable conformer the substituent is in equatorial position equtorial(down) CH3 CH3 axial(down)
一、烷烃和环烷烃的构象异构 5. Substituted cyclohexane 1) monosubstituted the stable conformer ---- the substituent is in equatorial position equtorial (down) axial (down) CH3 CH3