Organic Chemistry · 免费预览
第30章：复习与练习
周环反应通过环状过渡态在单一步骤中发生，不涉及中间体。周环过程有三大类：电环化反应、环加成反应和σ迁移重排
1. A pericyclic reaction takes place in a single step through a
A pericyclic reaction takes place in a single step through a
2. The stereochemistry of any pericyclic reaction can be predic
The stereochemistry of any pericyclic reaction can be predic
3. Chemistry Matters — Vitamin D, the Sunshine Vitamin
Chemistry Matters — Vitamin D, the Sunshine Vitamin
4. Pericyclic reactions are unusual in living organisms, and th
Pericyclic reactions are unusual in living organisms, and th
5. Additional Problems
Additional Problems
6. Part 6
Part 6
7. Part 7
Part 7
8. Part 8
Part 8
9. Part 9
Part 9
10. Problem 30-27 Which of the following reactions is more likel
Problem 30-27 Which of the following reactions is more likel
11. Problem 30-28 The following reaction takes place in two step
Problem 30-28 The following reaction takes place in two step
12. Problem 30-32 Vinyl-substituted cyclopropanes undergo therma
Problem 30-32 Vinyl-substituted cyclopropanes undergo therma
13. Problem 30-36 Bicyclohexadiene, also known as Dewar benzene,
Problem 30-36 Bicyclohexadiene, also known as Dewar benzene,
14. Problem 30-40 The following rearrangement was devised and ca
Problem 30-40 The following rearrangement was devised and ca
15. Problem 30-44 In nature, the enzyme chorismate mutase cataly
Problem 30-44 In nature, the enzyme chorismate mutase cataly
16. Key Terms
Key Terms
17. - electrocyclic reaction - frontier orbitals - highest occup
- electrocyclic reaction - frontier orbitals - highest occup
18. - pericyclic reaction - photochemical reaction - sigmatropic
- pericyclic reaction - photochemical reaction - sigmatropic
19. - symmetry-allowed - symmetry-disallowed
- symmetry-allowed - symmetry-disallowed