| 释义 |
Definition of amine in English: aminenounˈeɪmiːn Chemistry An organic compound derived from ammonia by replacement of one or more hydrogen atoms by organic groups. Example sentencesExamples - In the production of nylon an amine reacts with a carboxylic acid.
- The early coordination compounds prepared using ammonia were metal amines.
- Ammonia and the organic amines, molecules in which one or more of the hydrogen atoms of ammonia are replaced by organic groups, are weak bases.
- Primary amides are prepared by reacting ammonia or amines with acid chlorides, anhydrides, or esters.
- The reaction between the aldehyde and the organic amine or polyamine is usually conducted in the presence of an inert solvent.
Origin Mid 19th century: from ammonia + -ine4. Definition of amine in US English: aminenoun Chemistry An organic compound derived from ammonia by replacement of one or more hydrogen atoms by organic groups. Example sentencesExamples - Ammonia and the organic amines, molecules in which one or more of the hydrogen atoms of ammonia are replaced by organic groups, are weak bases.
- In the production of nylon an amine reacts with a carboxylic acid.
- Primary amides are prepared by reacting ammonia or amines with acid chlorides, anhydrides, or esters.
- The reaction between the aldehyde and the organic amine or polyamine is usually conducted in the presence of an inert solvent.
- The early coordination compounds prepared using ammonia were metal amines.
Origin Mid 19th century: from ammonia + -ine. |