The IUPAC name of dimethyl sec. butylamine is : (a) 2-amino-3-methyl butane (b) 2-(N-methyl amino) butane (c) 2-(N, N-dimethyl amino) butane (d) 2-(N, N-dimethyl amino) propane

The IUPAC name of dimethyl sec. butylamine is : (a) 2-amino-3-methyl butane (b) 2-(N-methyl amino) butane (c)

Question 45 of 69

Q. The IUPAC name of dimethyl sec. butylamine is :

(a) 2-amino-3-methyl butane

(b) 2-(N-methyl amino) butane

(d) 2-(N, N-dimethyl amino) propane

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The compound is a tertiary amine with a sec-butyl group and two methyl groups on nitrogen; IUPAC substitutive nomenclature names it as 2-(N,N-dimethylamino)butane.

sec-Butyl is $CH_3CH_2CH(CH_3)-$ , attached through its C-2. In 'dimethyl sec-butylamine', both methyl groups and the sec-butyl group are on the same nitrogen: $(CH_3)_2N-CH(CH_3)CH_2CH_3$ . Treating the four-carbon chain (butane) as the parent and the $-N(CH_3)_2$ group as an (N,N-dimethylamino) substituent at C-2 gives the IUPAC name 2-(N,N-dimethylamino)butane. Option (a) describes a diamine-type name for a differen …

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Q.The IUPAC name of dimethyl sec. butylamine is :

Concept understanding — Classification and Nomenclature of Amines

Q.The IUPAC name of dimethyl sec. butylamine is :

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