amine (əmēn`, ăm`ēn): see under amino group amine. Amines are derivatives of the inorganic compound ammonia , NH₃. When one, two, or all three of the hydrogens in ammonia are replaced by an alkyl or aryl group, the resulting compound is known as a primary, secondary, or tertiary amine, respectively.
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amine

Any of a class of nitrogen-containing organic compounds derived, either in principle or in practice, from ammonia (NH₃). Almost all their chemical names end in -ine. Replacement of one, two, or all three of the hydrogen atoms in ammonia with organic groups yields primary, secondary, or tertiary amines, respectively. Addition of a fourth hydrogen with an accompanying positive charge on the nitrogen atom results in a quaternary amine. Naturally occurring amines include alkaloids, present in certain plants; some neurotransmitters, including dopamine and epinephrine; and histamine. Industrially important amines include aniline, ethanolamine, and others, used in making rubber, dyes, pharmaceuticals, and synthetic resins and fibres and in a host of other applications. A nitrogen atom with one or two hydrogens is often referred to as an amino group.

amine

an organic base formed by replacing one or more of the hydrogen atoms of ammonia by organic groups

amine (redirected from direct-acting sympathomimetic a's)

amine

amine
(redirected from direct-acting sympathomimetic a's)