Question

SYNT 726: Synthesis of Phenacetin Post-lab Questions 1. The Infrared spectrum of Phenacetin shows important absorption bands at the following frequencies. Match the band with the correct structural feature. 3300 cm 1653 cm" 1244 and 1047 cm 837 cm A-C-O-C bonds B- p-disubstituted benzene C- NH bond D-C O bond 2. What signals in the proton NMR f your product are NOT going to indicate that you have the correct product? 3 3. Attached are the 'H and "C NMR spectra of the product amide. Draw the structure of the product clearly in an open space on each spectrum showing all sets of equivalent protons or carbons. Show which proton or carbon sets give rise to the labeled signals by writing the signal letter ( or carbon set..

Answer 1

2 300 cm 244m) o41 em- enzene- are indicat prot s tutuye 2 바1 S1-4 Ct $2.1 (t,3h NA CH