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amine |
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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. ..... Click the link for more information. . amineAny 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 |
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New entries in
this category include heterocyclic amines, which are chemicals created
in overcooked meats (SN: 4/24/99, p. Heterocyclic amines are documented
mutagens and carcinogens in animal models (Nagao and Sugimura 2000;
Weisburger 2002), and for which there is human evidence not only of
several types of high-incidence cancers, such as colon, breast, and
prostate, but which also affect the heart muscle (Butler et al. Odaniell says Crompton is
the only supplier of all four major antioxidant groups: phenolics,
secondary diaryl amines, phosphates, and thioesters. |
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