How would you use NMR (either 13C or 1H) to distinguish between the following pairs of isomers?
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How would you use NMR (either 13C or 1H) to distinguish between the following pairs of isomers?
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(a) созн Cоон and со2н соон (b) НО2СCH2CH2CO2H CH3CH(CO2H)2 and (c) CH3CH2CH2C02H and носH-CH2CH2CHО and -со2н (d) (CH3)2C=CHCH2CO2H
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