17) How many peaks appear in the proton spin decoupled 13 C NMR spectrum o below? OH A) 7 B) 4 C) 6 D) 8 E) 5 18) Deduce the identity of the following compound from the 1H NMR data giver C8H100: 8 3.4 (3H, singlet), 4.5 (2H, singlet), 7.2 (5H, apparent singlet) (d) F (a) Ph-CH₂CH₂OH (b) Ph-CH2-O-CH3 (c) p-CH3-Ph-O-CH3 19) Deduce the identity of the following compound from the 13C NMR da C9H12: 8 21.3 (quartet), 127.2 (doublet), 138.0 (singlet) (ppm) tri

17) How many peaks appear in the proton spin decoupled 13 C NMR spectrum o below? OH A) 7 B) 4 C) 6 D) 8 E) 5 18) Deduce the identity of the following compound from the 1H NMR data giver C8H100: 8 3.4 (3H, singlet), 4.5 (2H, singlet), 7.2 (5H, apparent singlet) (d) F (a) Ph-CH₂CH₂OH (b) Ph-CH2-O-CH3 (c) p-CH3-Ph-O-CH3 19) Deduce the identity of the following compound from the 13C NMR da C9H12: 8 21.3 (quartet), 127.2 (doublet), 138.0 (singlet) (ppm) tri

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter13: Structure Determination: Nuclear Magnetic Resonance Spectroscopy

Section13.8: More Complex Spin–spin Splitting Patterns

Problem 15P: 3-Bromo-1-phenyl-1-propene shows a complex NMR spectrum in which the vinylic proton at C2 is coupled...

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