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Chemistry Forums for Students => Organic Chemistry Forum => Organic Spectroscopy => Topic started by: armorsaint on May 28, 2018, 03:46:26 AM

Title: Organic Chemistry II Question
Post by: armorsaint on May 28, 2018, 03:46:26 AM

(https://i.redd.it/cdfjdc4kqj011.png)

 I am trying to help a friend solve this problem and it has us both lost. Any help would be much appreciated.

Title: Re: Organic Chemistry II Question
Post by: Babcock_Hall on May 28, 2018, 09:39:15 AM

The first thing that I would do is to calculate the degrees of unsaturation.  With respect to the most downfield peak in the C-13 spectrum, carbonyl groups that are part of ketones give a signal that is quite different from a carbonyl that is part of an amide.