Chemistry 351 - Principles of Organic Chemistry II
Spring Semester 2014, Winona State University, Dr. Thomas Nalli

No

Date

Topics

Chapter

1

1/13 Synthesis tools. Review of reactions from Chem 350. 12

2

1/15 Multistep synthesis. Retrosynthetic analysis. 12

3

1/17 Alcohols,  Phenols, Glycols. Physical properties and acidity. Methods for alcohol preparation. Hydride reduction of ketones, aldehydes. and esters. 13

4

1/22 Grignard Synthesis. 13

5

1/24 SN and E Reactions of Alcohols. HX. Tosylation. SOCl2. PX3.
13

6

1/27 Class canceled.

7

1/29 Oxidation of Alcohols. Multistep Synthesis using Alcohols. Silyl ethers as protecting groups. 13

8

1/31
Ethers and epoxides: Nomenclature, Preparation, and Reactions. 14

9

2/3 Reactions of unsymmetrical epoxides. 14

10

2/5 Crown ethers. Thiols, Sulfides, Disulfides, Sulfoxides, and Sulfones.
14
11 2/7 Conjugated diene stability. Resonance vs bond hybridization arguments.  Electrophilic addition to conjugated dienes. Thermodynamic vs kinetic control. 17.1-17.5 

2/10 Exam 1 12-14
12 2/12 Molecular orbitals of conjugated polyenes. Benzene MOs. 17.3, 18.4
13 2/14 Aromaticity. MO theory and the Huckel Rule. Theoretical criteria and experimental hallmarks of aromaticity. 18.4-18.5

14

2/17 Applying the theoretical criteria for aromaticity. The annulenes. Aromatic ions. Heteroaromatic rings. 18.5

15

2/21 Polycyclic aromatic hydrocarbons.
Birch reduction, Side chain reactions of benzene rings.
18.6-18.7

16

2/24 Electrophilic aromatic substitution - general mechanism. Substituent effects. Synthesis of disubstituted benzenes. 19
17 2/26 Theory behind directing effects of substituents in electrophilic aromatic substitution.
19
18 2/28
Substitution on disubstituted rings. Friedel-Crafts limitations. Synthesis strategies: Friedel-Crafts acylation followed by reduction. Sulfonation as a blocking group methodology. 19

19

3/3 Other mechanisms for nucleophilic substitution on benzene rings. The SNAr and Benzyne mechanisms.
19.13-19.14

20

3/5 Use of diazonium chemistry for synthesis. Reduction of the nitro group. Multistep synthesis of substituted aromatics.  19, 23.11

3/7 Exam 2 17.1-5, 18, 19, 23.11
22
3/19 Pericyclic Reactions. 17.8-17.10

23

3/21  Substituent effects in Diels-Alder cycloadditions. 17.7-17.8

24

3/24 Aldehyde/Ketone reactions. Hydration to form gem-diols. Acetal formation.
20

25

3/26 Thioacetals and Raney Nickel reduction.
Reactions of aldehydes and ketones with amines: Imines and Enamines. Wittig synthesis. Baeyer-Villager oxidation.
20

26

3/28
Naming of Carboxylic Acids and Diacids. Carboxylic acid synthesis. Predicting relative acidity.
Preparation of Acyl Chlorides using Thionyl Chloride.
21
27 3/31 Reactivity of Carboxylic Acids and Carboxylic Acid Derivatives.  Interconversions of CADs. Hydrolysis of CADs 21
28 4/2 More examples of CAD reactions. Saponification. Fisher esterification. Transesterification. Imides, lactams, and lactones. Alternative preparations of esters.
21

29

4/4 Reactions of nitriles. 21
30 4/7 Reactions of esters, acid chlorides, and nitriles with hydride sources and organometallics. 21
 31 4/9 Enolate chemistry. Epimerization and halogenation of the alpha carbon.
22

4/11 Exam 3.  17.6-10, 20, 21

32

4/14  Alkylation of the alpha carbon. Kinetic vs Thermodynamic Enolates. The acetoacetic ester synthesis. 22
33 4/16 Decarboxylation of beta-ketoacids. The acetoacetic ester and malonic ester syntheses. The aldol condensation reaction.
22
34 4/21  Reactions of Esters; the Claisen condensation. Reactions of highly stabilized enolates and enolate relatives.  22
35 4/23 Intramolecular aldols and Claisens. Michael additions. Stork enamine synthesis. 22
36 4/25 Robinson annulation. Amines - properties and basicity. 22, 23
37 4/28 Amines - synthesis and reactions. 23
38 4/30
Reactions of Amines. 23
  5/2 Exam 4 22, 23
  5/9 Final Exam