Spectrum A ¹H triphenylmethanol @ 500 MHz solvent: CD 8.5 8,0 7.5 7.0 a. HA b. HB c. Hc d. Ho e. HE f. HE 6.5 7.2 Predict the splitting pattern of each hydrogen solvent 7.1 ppm -2.544 6.0 5.5 5,0 4.5 4.0 3.5 3.0 2.5 666'0 Ar= 2.0 (3) 1.5 1.0 7. Using the labelled triphenylmethanol structure in the NMR spectrum above, predict the splitting pattern of each hydrogen For this question, make the following assumptions: • Both 3- and 4-bond couplings are observed All 3-bond coupling constants are equivalent • All 4-bond coupling constants are equivalent Table 2. Splitting pattern of signals ppm Table view List view Color and/or consistency change singlet doublet Ⓒ triplet triplet Ⓒ triplet doublet

Spectrum A ¹H triphenylmethanol @ 500 MHz solvent: CD 8.5 8,0 7.5 7.0 a. HA b. HB c. Hc d. Ho e. HE f. HE 6.5 7.2 Predict the splitting pattern of each hydrogen solvent 7.1 ppm -2.544 6.0 5.5 5,0 4.5 4.0 3.5 3.0 2.5 666'0 Ar= 2.0 (3) 1.5 1.0 7. Using the labelled triphenylmethanol structure in the NMR spectrum above, predict the splitting pattern of each hydrogen For this question, make the following assumptions: • Both 3- and 4-bond couplings are observed All 3-bond coupling constants are equivalent • All 4-bond coupling constants are equivalent Table 2. Splitting pattern of signals ppm Table view List view Color and/or consistency change singlet doublet Ⓒ triplet triplet Ⓒ triplet doublet

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

Chapter20: Dienes, Conjugated Systems, And Pericyclic Reactions

Section20.3: Uv-visible Spectroscopy

Problem 20.5P

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