Chapter30: Orbitals And Organic Chemistry: Pericyclic Reactions
Section30.SE: Something Extra
Problem 12VC
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Question
![The partial ¹H NMR spectrum for ester A is as below.
10
На
H₂
9
Ha
OCH 3
5
(i)
(ii)
(iii) Name the splitting pattern for Ha.
Give the approximate chemical shifts for protons H₁, H₂ and Hc.
Explain the difference in chemical shift for H₂ and Hc.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F99e7a993-4453-4d1c-b9a9-7ffcde301fb2%2Fc68f5a74-50cf-496b-85d6-715a9d551492%2Fxh6huc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The partial ¹H NMR spectrum for ester A is as below.
10
На
H₂
9
Ha
OCH 3
5
(i)
(ii)
(iii) Name the splitting pattern for Ha.
Give the approximate chemical shifts for protons H₁, H₂ and Hc.
Explain the difference in chemical shift for H₂ and Hc.
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