Chemistry 351 - Principles of Organic Chemistry II
Spring Semester 2016, Winona State University, Dr. Thomas Nalli

Planned Outline of Lectures

No

Date

Topics

Chapter

1

1/11 Overview of redox rxns. Reduction of alkenes. 12

2

1/13 Reduction of alkynes. Reduction of epoxides and alkyl halides.
12

3

1/15 Alkene and alkyne oxidations: Epoxidation and dihydroxylation of alkenes. Ozonolysis. 12


1/18 No Class - MLK Holiday

4

1/20

Ozonolysis continued. Alcohol oxidation. Sharpless epoxidation. 

12

5

1/22 Radical reactions. Halogenation. Selectivity of Br vs Cl.
15

6

1/25 NBS for allylic bromination. Peroxide effect on HBr additions. Autooxidation.
15

7

1/27 Lipid peroxidation, antioxidants, and food preservatives. Radical polymerization. Dienes. Conjugated diene stability. 15, 16

8

1/29 1,2 vs 1,4 addition to conjugated dienes. Allylic cations and radicals. Resonance vs orbital descriptions of conjugated systems. Huckel MO theory. 16

9

2/1  Benzene and aromaticity. Benzene compound nomenclature. Benzene MOs and the Huckel rule. Theoretical and experimental criteria for aromaticity. The annulenes. 17
10 2/3    Aromatic ions; cyclopropenyl cation and cyclopentadienyl anion. Heteroaromatic rings. Naphthalene. 17

2/5 NMR coupling constants and tree diagrams.

11
2/8 Exam 1 12, 15, 16.1-16.11, 17

12

2/10 Electrophilic aromatic substitution. General mechanism. EAS specific mechanisms. Halogenation, F-C Alkylation, Nitration. Sulfonation. Proton exchange. Effects of substituents. 18

13

2/12 Theory of substituent effects on EAS. Resonance vs inductive effects. 18

14

2/15 Orientation of EAS on disubstituted rings. Limitations of F-C alkylation. Use of F-C acylation for purposes of alkylation. 18
15
2/17 Redox reactions of side chain groups. Benzylic halogenation.  Benzene diazonium chemistry. Synthesis. 18

16

2/19 Nucleophilic aromatic substitution via the SNAr and benzyne mechanisms.  18, 25.13-25.14
17 2/22 Carboxylic Acids - naming, properties, preparation, and acidity. Conversion into acid chlorides. 19, 22.10A
18 2/24

Diels-Alder substituent effects and regiochemistry.
16.12-16.14

19

2/26 Diels-Alder Lab Quiz

Intro to Carbonyl Chemistry. Hydride reduction reactions.
Expt 2 and MM1

20.1-20.2a, 20.4-20.5

20

2/29
Organometallic Chemistry. Preparation and reactions of Grignard reagents with aldehydes, ketones, and epoxides.
20.9-20.11, 20.14
  3/2

Exam 2

 16.12-16.14, 18, 19, 20.1-20.2a, 20.4-20.5, 25.13-25.14
20 3/4

More Grignard chemistry. Reaction with CO2. Incompatible  functional groups. Protection of OH groups as TMS ethers. Protection of C=O groups as acetals.

20.11-20.15, 21.15

21

3/14 Addition of water and alcohols to aldehydes and ketones; hydrates, hemiacetals, and acetals.
21.13-21.15

22

3/16 Addition of amines to aldehydes and ketones: imines and enamines. Mechanism of Wolf-Kishner reduction. 21.11-21.12

23

3/18 Addition of sulfur nucleophiles to aldehydes and ketones; thioacetals. The Wittig alkene synthesis. 21.10

24

3/21 Redox reactions of aldehydes and ketones. Hydride reduction of acid chlorides and esters. Grignard reactions with acid chlorides and esters. Reaction of organocuprates with acid chlorides. 20.7a, 20.8, 20.13, 21.8

25

3/23 Anhydrides and Amides; reactions with hydride reducing agents and Grignard reagents. Carboxylic acid derivatives overall reactivity scheme. 20.7b, 22
26 3/25 Carboxylic acid derivatives overall reactivity scheme; interconversions.  22
27 3/28   Carboxylic acid derivatives overall reactivity scheme; reactions with hydride sources and organometallics. Nitrile reactions. 22

28

3/30 Amide synthesis using DCC. Naming of carboxylic acid derivatives. Cyclic anhydrides. Lactones, lactams, and imides.
22
29
4/1 More reactions of carboxylic acid derivatives.  Polyesters. Synthesis. 22
20
4/4 Enols and enolates as nucleophiles. Bases to use for enolate formation. Racemization/Epimerization. Halogenation. 23

31

4/6 Alkylation. Kinetic vs thermodynamic enolates.The malonic ester and acetoacetic ester syntheses. 23
32 4/8 The aldol condensation.
24
  4/11 Exam 3  20(except 20.15), 21, 22
33 4/13 The Claisen condensation. Aldol and Claisen-related reactions.  24

4/15 No Class - Spring Break Day

34 4/18 Conjugate addition to conjugated ketones and aldehydes. Michael addition. Robinson annulation.  20.15-20.17, 24.8-24.9
35 4/20

Amines - Naming, Physical Properties, Preparation via the Gabriel synthesis and reduction of an imine.

25
36 4/22 Amines. Preparation via reductive amination. Reaction as bases. Alkylation of enamines. 25
37
4/25
C-C bond forming reactions; Suzuki, Heck, and Corey-House reactions.
26
38
4/27
C-C bond forming reactions; Cyclopropanation and Olefin Metathesis.
26
  4/29
Exam 4 23-26
  5/5 Final Exam (8:00 AM)