Mon September 30, 2013 By: Renuka Ganesh

Is there any criteria by which the priority order of functional groups decided in nomenclature of organic compounds? what are they? (-COOH > -COOR and so on)

Expert Reply
Tue October 01, 2013

Carboxylic acid > Salt of acid> Ester> Amide> Nitrile> Aldehyde> Ketone> Alcohol> Amine> Ether> Arene> Alkene> Alkyne> Alkane

Alkoxy, halo, nitro, vinyl, alkyl, allyl and phenyl are treated as substituent and have equivalent priority.

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