The different types of protons with correct chemical shifts

Reference no: EM13717955

Problem- Given the NMR spectrum of isobutyl acetate, match the different types of protons with the correct chemical shifts.

methyl protons next to carbonyl 1. ? = 1.0 ppm

methylene protons next to O 2. ? = 2.0 ppm

methine proton in isobutyl group 3. ? = 2.3 ppm

terminal methyl protons in isobutyl group 4. ? = 3.9 ppm

Please take care to reply the question as mark are evenly granted for each point

Reference no: EM13717955

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