Structural and Physical Properties of Amines

An alternative way to name amines treats the functional group, called amino-, as a substituent of the alkane stem. This procedure is analogous to naming alcohols as hydroxy-alkanes. It is also used when other functional groups are present in the molecule, because the amine function has the lowest order of precedence of all functional groups discussed in this text (Section 19-1). 

Many common names are based on the term alkylamine (see margin), as in the naming of alkyl alcohols. 

Name each of the following molecules twice, first as an alkanamine, then as an alkyl amine. 

Draw structures for the following compounds (common name in parentheses) (a) 2-propynamine (propargylamine) (b) (A-2-propenyl)phenylmethanamine (N-allylbenzylamine) (c)lV,2-dimethyl-2-propanamine (ferf-butylmethylamine). 

In Summary There are several systems for naming amines. Chemical Abstracts uses names of the type alkanamine and benzenamine. Alternatives for alkanamine are the terms amino-alkane and alkylamine. The common name for benzenamine is aniline. 

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