L8 - Weeks 5-8 (Revised Schedule 2) Week # #7 Oct 4 #8 Oct...

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Weeks 5-8 (Revised Schedule 2) Week # Experiment 3 NMR Labs Experiments 4/5/6 #7 Oct 4 Finish Lab 3 Continued Work on Start Exper 4 Prelab 4 due #8 Oct 11 Lab report 3 due NMR Labs A and B report due Finish Exper 4 No IR needed #9 Oct 18 Exam 1 Oct 19, 7-8 pm 116RAL -Labs AB2, 3, 5 [pm labs] 151 Loomis Labs AB1, 4 [am labs] Start Exper 5 Prelab Exp 5 due #10 Oct 25 ------ ------ Finish Exper 5 Start Exper 6 Prelab Exp 6 due Post-Lab Exp 4 due* #11 Nov 1 ------ ------ Post-Lab Exp 5 due Continue Exper 6 *Postlab report 4 due date is delayed by 1 week due to exam Material on Exam 1 Synthesis Reactions and Reaction Conditions Rearrangement Reaction [Exp 2] Mechanism and product prediction; side products Reflux conditions Heating a reaction mixture Electrophilic Aromatic Substitution (Friedel-Crafts Acylation) [Exp 3] Mechanism and product prediction; side products Acid-Catalyzed Esterification [Exp 4] Pushing equilibrium towards products (Dean Stark apparatus) Mechanism Predicting starting materials from products Material on Exam 1 Methods for Product Isolation Crystallization Isolating product by crystallization Simple distillation How to set up apparatus and perform distillation Principle of technique Working up a reaction Drying with Mg 2 SO 4 Page 1
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Material On Exam 1 Methods for Product Purification Extraction taking advantage of acid/base chemistry Fractional Distillation phase diagrams differences from simple distillation Azeotropes Recrystallization How do you do it? How does this purify compound? Material on Exam 1 Methods for Product Analysis Melting point Principles of technique How to obtain a melting point TLC Principles of technique How to run a TLC Variables that can be altered (ie., polarity of solvent) IR Theory Assigning a spectra (you will be given a diagram indicating stretching frequencies of different functional group) NMR Theory Assigning spectra (you will be given a diagram indicating the chemical shifts of different functional group) Using NMR to identify a compound GC Principles of technique Analysis of data (Likely?) Format of Exam 1 Product Isolation Chemistry Reactions, mechanisms Purification and purity analysis methods NMR How to analyze, what spectrum to expect for a new compound IR How to analyze, what spectrum to expect for a new compound [You will be provided with sufficient information to answer spectroscopy questions] Page 2
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This note was uploaded on 11/19/2010 for the course CHEM 237 taught by Professor Wilson during the Fall '08 term at University of Illinois, Urbana Champaign.

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L8 - Weeks 5-8 (Revised Schedule 2) Week # #7 Oct 4 #8 Oct...

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