Explain why the following two structures are ruled out by the data in Study Problem 13 3 Problem 13 3 An NMR spectrum of a compound X contains four absorptions at Icirc acute 1 3, Icirc acute 4 7, Icirc acute 4 6, and Icirc acute 5 5, respectively Which absorption comes from the most shielded proto...

This candidate would also be expected to have eight n ...

Explain why the following two structures are ruled out by the data in Study Problem 13.3. Problem

Question:

Explain why the following two structures are ruled out by the data in Study Problem 13.3.
Problem 13.3
An NMR spectrum of a compound X contains four absorptions at Î´ 1.3, Î´ 4.7, Î´ 4.6, and Î´ 5.5, respectively. Which absorption comes from the most shielded protons? From the least shielded protons? Explain.