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%ما هو (من)٪ 1 - تعريف
CARBOXYLIC ACIDS THAT CONTAIN A C=NH GROUP
Imino acids
Iminosugar
![The chemical structure of [[1-deoxynojirimycin]], an example of a simple iminosugar.](https://commons.wikimedia.org/wiki/Special:FilePath/1-Deoxynojirimycin.svg?width=200 "The chemical structure of [[1-deoxynojirimycin]], an example of a simple iminosugar.")
Wikipedia talk:Articles for creation/Iminosugars; Iminosugars; Imino sugars
An iminosugar, also known as an iminosaccharide, is any analog of a sugar where a nitrogen atom has replaced the oxygen atom in the ring of the structure.
Imine
![Steps in pyridoxal phosphate-mediated reactions of [[alanine]] and [[cysteine]], illustrating one biological role for aldimines.](https://commons.wikimedia.org/wiki/Special:FilePath/PLP mechanism.svg?width=200 "Steps in pyridoxal phosphate-mediated reactions of [[alanine]] and [[cysteine]], illustrating one biological role for aldimines.")
![E-isomer]]](https://commons.wikimedia.org/wiki/Special:FilePath/Aldimine-(primary)-skeletal.svg?width=200 "E-isomer]]")
-skeletal.svg?width=200 "Secondary aldimine, E-isomer")
-skeletal.svg?width=200 "Primary ketimine")
-skeletal.svg?width=200 "Secondary ketimine")
![[[Aziridine]] and its derivatives are sometimes referred to as imines.](https://commons.wikimedia.org/wiki/Special:FilePath/Aziridine.svg?width=200 "[[Aziridine]] and its derivatives are sometimes referred to as imines.")
ANY CHEMICAL COMPOUND HAVING THE STRUCTURE RN=CR′R″, THUS ANALOGUE OF ALDEHYDE OR KETONE IN WHICH AN OXYGEN ATOM IS REPLACED BY SUBSTITUTED OR UNSUBSTITUTED NITROGEN ATOM
Aldimine; Imino; Imines; Ketimine; Acyl imidate; Aldimines; Ketimines; Imino group
In organic chemistry, an imine ( or ) is a functional group or organic compound containing a carbon–nitrogen double bond (). The nitrogen atom can be attached to a hydrogen or an organic group (R).
imine
ANY CHEMICAL COMPOUND HAVING THE STRUCTURE RN=CR′R″, THUS ANALOGUE OF ALDEHYDE OR KETONE IN WHICH AN OXYGEN ATOM IS REPLACED BY SUBSTITUTED OR UNSUBSTITUTED NITROGEN ATOM
Aldimine; Imino; Imines; Ketimine; Acyl imidate; Aldimines; Ketimines; Imino group
['?mi:n]
¦ noun Chemistry an organic compound containing the group ?C=NH or ?C=NR (where R is an alkyl group).
Origin
C19: from amine, on the pattern of the pair amide, imide.
ويكيبيديا
Imino acid
In organic chemistry, an imino acid is any molecule that contains both imine (>C=NH) and carboxyl (-C(=O)-OH) functional groups.
Imino acids are structurally related to amino acids, which have amino group instead of imine—a difference of single vs double-bond between nitrogen and carbon. The simplest example is dehydroglycine.
D-Amino acid oxidase is an enzyme that is able to convert amino acids into imino acids. Also the direct biosynthetic precursor to the amino acid proline is the imino acid (S)-Δ1-pyrroline-5-carboxylate (P5C).
