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Unformatted text preview: trans retinol), which comes from β-carotene 2 Enamines (21.12) • Formed in reaction between a 2º amine and an aldehyde or ketone • Requires mild acidic conditions •-CRH-C=O converted to -RC=C-NR 2 • Reaction reverses in strong acid Hydrates (21.13) • Formed from reaction of water with a ketone or aldehyde • Catalyzed by acid or base • Amount of hydrate depends on structure of aldehyde or ketone Acetals (21.14) • Formed from rxn. of a ketone or aldehyde with 2 equiv. of an alcohol • Catalyzed by acid • Must remove H 2 O as it is formed (Le Chatelier’s Principle) Dean-Stark Trap...
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This note was uploaded on 10/24/2011 for the course CHEMISTRY 623 taught by Professor Benson during the Spring '11 term at Kansas.
- Spring '11
- Organic chemistry