## 51B. Lecture 20. Radicals.

#### Recorded February 27. 2013.

Index of Topics:

00:17- Pycnogenol

00:42- What is Pycnogenol?

01:11- Molecular Structure of Pycnogenol

03:22- 14.8: Splitting by More than One Type of Proton

07:55- 14.9: Time Dependence of H NMR Spectroscopy-Bond Rotation

09:42- 14.9: Time Dependence of H NMR Spectroscopy

CHAPTER 15- Radicals

15:37- 15.1: Radicals-Reactivity and Stability

21:04- 15.1, 15.2: Reactions of Radicals-a specialized arrow symbol

24:55- 15.3, 15.6, 15.7: Selective conversion of tertiary R-H to tertiary R-Br

29:35- 15.4: Mechanism for Radical Bromination

36:26- 15.8: Carbon radicals react on either end of the p orbital

42:15- 15.10: Allylic Bromination

48:06- 15.13: Anti-Markovinkov of HBr to H2C=CHR

50:39- Chapter 15-Radical Summary

Required attribution: Vranken, David Van. Organic Chemistry 51B (UCI OpenCourseWare: University of California, Irvine), ocw.uci.edu/courses/chem_51b_org....html. [Access date]. License: Creative Commons Attribution-ShareAlike 3.0 United States License (creativecommons.org/licenses/by-...n_US).

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