Question: Suppose you ran a DFPT-135 spectrum for each substance in Problem 13.33. Which carbon atoms in each molecule would show positive peaks and which would

Suppose you ran a DFPT-135 spectrum for each substance in Problem 13.33. Which carbon atoms in each molecule would show positive peaks and which would show negative peaks?

Problem 13.33

How many absorptions would you expect to observe in the 13C NMR spectra of the following compounds?
(a) 1, 1-Dimethylcyclohexane
(b) CH3CH2OCH3
(c) tert-Butyl cyclohexane
(d) 3-Methyl-i-pentyne
(e) cis-1, 2-Dimethylcyclohexane
(f) Cyclohexanone

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Compound a HC H3C CH3 1 1 2 3 b c d 3 4 1 2 3 CH3CHOCH 3 1 1 6 5 1 H3CCCH3 4 5 3 4 Nu... View full answer

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