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Qué (quién) es ketimine - definición
Ketimine Mannich reaction
CHEMICAL REACTION
Draft:Asymmetric Catalytic Ketimine Mannich Reactions
The ketimine Mannich reaction is an asymmetric synthetic technique using differences in starting material to push a Mannich reaction to create an enantiomeric product with steric and electronic effects, through the creation of a ketimine group. Typically, this is done with a reaction with proline or another nitrogen-containing heterocycle, which control chirality with that of the catalyst.
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.
