CHEMISTRY 235: ORGANIC CHEMISTRY LABORATORY

Text: Laboratory Manual for Organic Chemistry. A Microscale Approach, by W. R. Moore and A. Winston, McGraw-Hill, 1996.

Date Experiment Subject
Jan 14-18, 2008   Check-in, General Instructions, Safety, and the Lab Notebook
Jan 21-25, 2008 3 Melting Points. Also study Ch.1 and Ch. 2.
Jan 28-Feb 1, 2008 4 Crystallization.
Feb 4-8, 2008 5 Distillation. Students work in pairs and share data. One does a simple distillation and the other does a fractional distillation.
Feb 11-15, 2008

6

7

Gas Chromatography and also

Thin-Layer Chromatography (do both GC and TLC)

Feb 18-22, 2008 8 Extraction.
Feb 25-29, 2008 9 Stereochemistry: Molecular Models. Each student should bring a set of molecular models to class. You are advised to start this exercise before coming to the lab.
Mar 3-7, 2008 14 SN1 and SN2 Reactions
Mar 10-14, 2008

15

16

E2 Elimination Reactions

E1 Elimination Reactions.

Students will work in pairs. One student will do expt. 15 and the other student will do expt. 16. They will share data and compare results. Come prepared to do both experiments.

Mar 17-21, 2008

19

20

Stereospecific Bromination of trans-Stilbene.

Diphenylacetylene

We will be doing a two-step synthesis of diphenylacetylene starting with stilbene.

Mar 31-Apr 4, 2008 17 Hydroboration - Oxidation of Alkenes
Apr 7-11, 2008 18 Reduction of Ketones to Alcohols with Sodium Borohydride
Apr 14-18, 2008

10

11

Infrared Spectroscopy.

Nuclear Magnetic Resonance Spectroscopy

Study all three chapters. We will work on assigning structures (Ch.12) over the course of two periods.

Apr 21-25, 2008 12 Assignment of Structure by IR and 1 H-NMR Spectroscopy
Apr 28 - May 2, 2008   Lab Final Examination and Check-out