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In organic chemistry, an imide is a functional group consisting of two acyl groups bound to nitrogen. [1] The compounds are structurally related to acid anhydrides , although imides are more resistant to hydrolysis.
Heating magnesium amide to about 400 °C yields magnesium imide with the loss of ammonia. Magnesium imide itself decomposes if heated between 455 and 490 °C. [6] Beryllium imide forms from beryllium amide when heated to 230 °C in a vacuum. [7] When strontium metal is heated with ammonia at 750 °C, the dark yellow strontium imide forms. [8]
When R = H, the compound is a primary imine, when R is hydrocarbyl, the compound is a secondary imine. If this group is not a hydrogen atom, then the compound can sometimes be referred to as a Schiff base. [9] When R 3 is OH, the imine is called an oxime, and when R 3 is NH 2 the imine is called a hydrazone.
Ethanimine is an organonitrogen compound classified as an imine. It is formed by reacting acetaldehyde and ammonia, but rapidly polymerizes to acetaldehyde ammonia trimer. It has two tautomers: ethanimine, an imine, and ethenamine or aminoethylene, an amine. Ethanimine has two hydrogens on the carbon, while ethenamine has two on the nitrogen atom.
Amidoximes are oximes of amides (R 1 C(=O)NR 2 R 3) with general structure R 1 C(=NOH)NR 2 R 3. Oximes are usually generated by the reaction of hydroxylamine with aldehydes (R−CH=O) or ketones (RR’C=O). The term oxime dates back to the 19th century, a combination of the words oxygen and imine. [1]
An amidate/imidate anion is formed upon deprotonation of an amide or imidic acid.Since amides and imidic acids are tautomers, they form the same anion upon deprotonation.The two names are thus synonyms describing the same anion, although arguably, imidate refers to the resonance contributor on the left, while amidate refers to the resonance contributor on the right.
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Acetone imine, or 2-propanimine is an organic compound and an imine with the chemical formula (CH 3) 2 CNH. It is a volatile and flammable liquid at room temperature . It is the simplest ketimine .