6868235
Beschreibung
Mindmap von Grace Hyett, aktualisiert more than 1 year ago
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Erstellt von Grace Hyett
vor etwa 8 Jahre
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Hydroxynitrile
- Production
- 3. A pair of electrons from the C=O double bond is pushed onto the oxygen
- 1. Potassium cyanide is an ionic compound.
- It dissociates in water to form K+ ions and CN- ions
- It dissociates in water to form K+ ions and CN- ions
- 2. The CN- ion from the KCN attacks the partially positive carbon atom and donates a pair of electrons, forming a bond
- 4. The oxygen bonds to a H+ ion to form the hydroxyl group and a hydroxynitrile is produced
- 3. A pair of electrons from the C=O double bond is pushed onto the oxygen
- Racemic
- Double bonds are planar, nucleophiles can attack from both sides of the double bond
- The nucleophilic attack of cyanide ions in aldehydes or unsymmetrical ketones can lead to a racemic mixture of hydroxynitriles
- This is because nucleophilic attack of the slightly positive carbon can occur from either above or below the plane
- Different enantiomers form, so a racemic mixture is made
- Double bonds are planar, nucleophiles can attack from both sides of the double bond
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