Organic Chemistry
Organic Chemistry
12th Edition
ISBN: 9781118875766
Author: T. W. Graham Solomons, Craig B. Fryhle, Scott A. Snyder
Publisher: WILEY
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Chapter 14, Problem 11PP

Practice Problem 14.11

In addition to a signal downfield, the 1 H NMR spectrum of trans-15,16-dimethyldihydro-pyrene has a signal far upfield at δ 4.2 . Account for the presence of this upfield signal.

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NMR Spectroscopy; Author: Professor Dave Explains;https://www.youtube.com/watch?v=SBir5wUS3Bo;License: Standard YouTube License, CC-BY