Maria Mota Experiment # 5 Sarah Zigmont The Preparation and Identification of an Unknown Ester References: Chemistry 320 B, laboratory manual, fall 2006, Berryhill, etal. Microscale and Macroscale Techniques in Organic Laboratory, 2002, Pavia etal. Chemfinder.com, 2004, CambridgeSoft Corporation. Balanced equation: Results:
Table # 1: IR analysis for alcohol # Frequency ppm
Bond Responsible
Table # 2: IR analysis for unknown ester Frequency ppm
Bond Responsible
Table # 1: NMR Analysis for Chemical Shift ppm Splitting Pattern/ Integration/ Adjacent proton Assignment
Table # 3: C NMR Chemical Shift ppm
Splitting Pattern
Assignment
Which Proton(s)
Which Proton
Discussion:
Questions: