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(a) Assign protons to the peaks in the NMR spectrum of
Chapter 18, Problem 8P(choose chapter or problem)
(a) Assign protons to the peaks in the NMR spectrum of 4,4 -dimethylcyclohex-2-en-1-one in Figure 13-30(a). Explain the splitting that gives the triplets at \(\delta 1.8\) and \(\delta 2.4\).
(b) Assign protons to the peaks in the NMR spectrum of \(\beta\)-ionone in Figure . Explain the splitting seen in the three multiplets at \(\delta 1.5\), \(\delta 1.65\), and \(\delta 2.1\). Explain how you know which of these multiplets corresponds to which methylene groups in the molecule.
Equation Transcription:
Text Transcription:
{delta}1.8
{delta}2.4
beta
{delta}1.5
{delta}1.65
{delta}2.1
Questions & Answers
QUESTION:
(a) Assign protons to the peaks in the NMR spectrum of 4,4 -dimethylcyclohex-2-en-1-one in Figure 13-30(a). Explain the splitting that gives the triplets at \(\delta 1.8\) and \(\delta 2.4\).
(b) Assign protons to the peaks in the NMR spectrum of \(\beta\)-ionone in Figure . Explain the splitting seen in the three multiplets at \(\delta 1.5\), \(\delta 1.65\), and \(\delta 2.1\). Explain how you know which of these multiplets corresponds to which methylene groups in the molecule.
Equation Transcription:
Text Transcription:
{delta}1.8
{delta}2.4
beta
{delta}1.5
{delta}1.65
{delta}2.1
ANSWER:
Solution 8P