Chabot College December, 1995 Replaced Fall 2006 Course Outline for Chemistry 12B ORGANIC CHEMISTRY Catalog Description: 12B - Organic Chemistry 5 Units Continuation of Chemistry 12A with an introduction to the chemistry of aromatics, amines, carbanions, carboxylic acids, aldehydes, ketones and biochemical topics focusing on structure, synthesis, and mechanisms of reaction. Laboratory work in basic techniques, synthetic methods, qualitative, spectroscopic, and chromatographic analysis techniques. Designed for students whose interests require a full year in-depth study of organic chemistry. Prerequisite: Chemistry 12A (completed with a grade of C or higher). 3 hours lecture, 6 hours laboratory. Prerequisite Skills: Upon entering the course, the student should be able to: 1. use a mechanistic approach to make reasonable predictions of major products formed in reactions involving hydrocarbons, alkyl halides, alcohols, and ethers 2. explain physical and chemical properties of hydrocarbons, alkylhalides, alcohols, and ethers 3. use spectroscopic data to elucidate structures for organic compounds 4. identify structural and optical isomers and correlate properties with structure 5. use IUPAC systems to name compounds of common functional groups 6. perform basic laboratory techniques in organic laboratory: crystallization, simple and fractional distillation, extractions, microscale and macroscale syntheses, chromatography, and spectroscopy analysis 7. follow safe practices in handling organic chemicals Expected Outcomes for Students: Upon completion of the course, the student should be able to: 1. propose reasonable syntheses for compounds in the classes studied; 2. use spectroscopic information and data concerning reactions or physical properties to elucidate structures for compounds in the classes studied; 3. draw mechanistic pathways which illustrate how the products are obtained from the reactants; 4. evaluate kinetic data as a tool in elucidating the mechanism for a reaction; 5. name compounds of the classes studied; 6. carry out syntheses in the laboratory, using techniques developed in Chemistry 12A to monitor the progress of the reaction and the purity of the product; 7. identify an unknown organic compound in the laboratory by chemical methods (optional, can be done in Chemistry 12B); 8. utilize carbanions in proposing sophisticated syntheses; 9. apply knowledge of organic reactions to biological processes; 10. develop and work on a special research project (optional); 11. make a formal oral and written presentation about a special research project (optional). Chabot College Course Outline for Chemistry 12B, Page 2 December 1995 Course Content (Lecture): I II III IV. V. VI. VII Aromatics: 1. Review of aromaticity. 2. Reactions of benzene. 3. Electrophilic aromatic substitution mechanism, including reactivity and orientation. 4. Synthesis of substituted benzenes. 5. Electrophilic substitution in naphthalene. Arenes and Their Derivatives: 1. Structure and properties. 2. Nomenclature. 3. Reactions of alkylbenzenes. 4. Preparation and reactions of alkenylbenzenes. Aldehydes and Ketones: 1. Structure and properties. 2. Nomenclature. 3. Laboratory preparations of aldehydes and ketones. 4. Reactions of aldehydes and ketones. 5. Detailed analysis of nucleophilic addition. 6. Multi-step syntheses of aldehyes, ketones and related compounds. Carboxylic Acids: 1. Structure and properties. 2. Nomenclature. 3. Acidity and relationship to structure. 4. Laboratory preparations of carboxylic acids. 5. Reactions of carboxylic acids. Functional Derivatives of Carboxylic Acids: 1. Nucleophilic acyl substitution reactions. 2. Mechanism of nucleophilic acyl substitutions and comparison to alkyl nucleophilic substitutions. 3. Structure, nomenclature, preparation and reactions of acid chlorides. 4. Structure, nomenclature, preparation and reactions of acid anhydrides. 5. Structure, nomenclature, preparation and reactions of amides. 6. Structure, nomenclature, preparation and reactions of esters. Carbanion Chemistry: 1. Aldol condensations. 2. Claisen condensations. 3. Wittig reactions. 4. Malonic ester synthesis of carboxylic acids. 5. Acetoacetic ester synthesis of ketones. 6. Use of the above reactions in multi-step syntheses. Alpha-beta unsaturated Compounds: 1. Structure and properties. 2. Laboratory preparations. 3. Electrophilic and nucleophilic addition reactions. 4. The Michael addition. Chabot College Course Outline for Chemistry 12B, Page 3 December 1995 VIII. IX. X XI. XII. 5. The Diels-Alder reaction. Amines: 1. Structure and properties. 2. Nomenclature. 3. Structure and relationship to base strength. 4. Sterochemistry of nitrogen. 5. Laboratory preparations of amines. 6. Reactions of amines. Phenols: 1. Structure and properties. 2. Nomenclature. 3. Structure and relationship to acid strength. 4. Laboratory preparations of phenols. 5. Reactions of phenols. Aryl Halides: 1. Structure and properties. 2. Nomenclature. 3. Laboratory preparations of aryl halides. 4. Reactions of aryl haldies. 5. Detailed analysis of nucleophilic aromatic substitution reactions, including both bimolecular displacement and elimination-addition mechanisms. Heterocyclic Compounds: 1. Structure and properties of pyrrole, furan and thiophene and pyridine. 2. Electrophilic substitution in heterocyclic compounds. 3. Nucleophilic substitution in pyridine. Biomolecules: 1. Carbohydrates; a. Classifications, Fischer Projections and configurations. b. Cyclic structures of monosaccharides, hemiacetal formation. c. Monosaccharide anomers and mutarotation. d. Reactions of monosaccharides (Kiliani-Fishcher synthesis and The Ruff Degradation) e. Disaccharides and polysaccharides. 2. Amino acids and Proteins; a. Structure and properties of amino acids including isoelectric points. b. Synthesis of alpha amino acids. c. Peptide bonds. d. Peptide sequencing (Edman Degradation and C-Terminal Residue Determination Technique). e. Peptide synthesis. f. Proteins, structure and denaturation. g. Enzymes. 3. Lipids; a. Structure and properties of waxes, fats and oils. b. Phospholipids, structure and use in cell membranes. c. Structure and biosyntheses of terpenes and steroids. Chabot College Course Outline for Chemistry 12B, Page 4 December 1995 Course Content (Laboratory): I. II. III. Techniques: 1. Multi-step synthesis 2. Gas chromatography 3. Fourier-Transform Infrared Spectroscopy 4. Vacuum Distillation Qualitative Analysis: 1. Wet chemistry analysis of unknowns including formation and purification of derivatives for elucidating molecular structure. 2. Interpretation of IR and NMR spectra for elucidating molecular structures. Library Research Methods of Presentation: 1. 2. 3. 4. Informal lecture with student questions encouraged. Models, periodic tables, films, overlays. Demonstrations. Safety and proper respect for chemicals and scientific apparatus are stressed. Methods of Evaluating Student Progress: 1. 2. 3. 4. Quizzes Written lab reports Midterm examinations Final examination Textbook(s) (Typical): Organic Chemistry, Morrison and Boyd, Prentice Hall Publishers Special Student Materials: 1. Molecular model kit 2. Safety goggles approved for Chemistry laboratory 3. Laboratory coat/apron al constantly