Complete the following NMR peak assignment tables. Predict the chemical shifts, the splitting (multiplicity) pattern, and integration for compound A - D. The chemical environments of different Hs in each molecule are labeled and assigned. Use the H-NMR peak reference chart to predict the correct chemical shift values. First two rows in table 01 is done for you as an example. Ho He Hc Ho Ho Ha Ha He Ha Ha Compund A Table 01: Predicted NMR peak assignments data for compound A Predicted Predicted Type of chemical Chemical shift multiplication/splitting value (ppm) Predicted Peak integration Assignment environment pattern 3H 0.5 – 1.5 Triplet (t) H, C-CH3 2H 3.5 – 4.5 Quartet (q) H, H-C-O H. H. H,

Complete the following NMR peak assignment tables. Predict the chemical shifts, the splitting (multiplicity) pattern, and integration for compound A - D. The chemical environments of different Hs in each molecule are labeled and assigned. Use the H-NMR peak reference chart to predict the correct chemical shift values. First two rows in table 01 is done for you as an example. Ho He Hc Ho Ho Ha Ha He Ha Ha Compund A Table 01: Predicted NMR peak assignments data for compound A Predicted Predicted Type of chemical Chemical shift multiplication/splitting value (ppm) Predicted Peak integration Assignment environment pattern 3H 0.5 – 1.5 Triplet (t) H, C-CH3 2H 3.5 – 4.5 Quartet (q) H, H-C-O H. H. H,

Organic Chemistry

8th Edition

ISBN:9781305580350

Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote

Chapter13: Nuclear Magnetic Resonance Spectroscopy

Section13.7: Chemical Shift

Problem 13.5P: Following are two constitutional isomers with the molecular formula C4H8O2. (a) Predict the number...

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