CHE 241 Laboratory Schedule, Fall 2007

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Dates:	Experiment
Sept. 3, 4	Safety Training and Recrystallization of an Unknown Solid Additional Reading Safety Information & Introduction to Lab
Sept. 10, 11	Isomers: Fractional Distillation and NMR Spectroscopy Go through NMR Tutorial before lab! Access your spectra at ChemServ Frequently Asked Questions about ChemServ diethyl ether spectrum methyl propyl ether spectrum 1-butanol spectrum 2-butanol spectrum t-butanol spectrum isobutanol spectrum
Sept. 17, 18	Acid-Base Extraction
Sept. 24, 25	Excedrin lab (Extraction, chromatography, NMR)
Oct. 1, 2	Excedrin lab continued
Oct. 8, 9	Conformations of Molecules Chemical Shift and Integration in the NMR ¹³C NMR spectra m-nitroacetophenone p-nitroacetophenone ethyl acetoacetate (impure) 1-bromohexane cyclohexanol ¹H NMR spectra t-butyl acetate (CH₃CO₂C(CH₃)₃) mesitylene (1,3,5-trimethylbenzene) p-xylene (1,4-dimethylbenzene)
Oct. 15, 16	Spin-Spin Splitting in ¹H NMR Spectroscopy 2-butanone 3-methyl-2-butanone 4-methyl-2-pentanone butyraldehyde 2-chlorobutane benzyl alcohol p-nitrotoluene m-nitrotoluene o-nitrotoluene piperonal styrene
Oct. 22, 23	Bromination of Stilbene Please see the Model Lab Report for guidelines about reporting spectral data.
Oct. 29, 30	Hydroboration
Nov. 5, 6	Dehydration of Cyclohexanol
Nov. 12, 13	Competitive Nucleophiles With 1-Butanol 1-butanol spectrum 1-chlorobutane spectrum 1-bromobutane spectrum 2-chlorobutane spectrum 2-bromobutane spectrum GC trace of t-butanol reaction mixture NMR of t-butanol reaction mixture
Nov. 26, 27	Identification of an Unknown