Question: Propose chemical structures consistent with the following NMR spectra and molecular formulas. In spectrum (a) Explain why the peaks around Î´ 1.65 and Î´ 3.75

Propose chemical structures consistent with the following NMR spectra and molecular formulas. In spectrum
(a) Explain why the peaks around Î´ 1.65 and Î´ 3.75 are not clean multiplets, but show complex splitting. In spectrum
(b) Explain why some of the protons are likely to be missed.

DHz iz (a) C4H1002 OHz 3.88 3.78 1.2 1.1 4.26 4.16 4.06 176 16 10 7 0 80 ppm) Hz 50Hz (b) C2H7NO 3.76 3.68 2.96 288 10 0 (ppm)

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a The formula C 4 H 10 O 2 has no elements of unsaturation so the oxygens must be alcohol or ether f... View full answer

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