HO Aldol reactions (condensation of two aldehydes or ketones to yield a ẞ-hydroxy carbonyl) can go in reverse (ẞ-hydroxy carbonyl to two aldehyde/ketones, a retro-aldol). Propose mechanisms for the following two transformations, using both intra-molecular aldol and a retro-aldol reactions. Be sure to follow the rules we have discussed for writing reaction mechanisms! Na OEt ethanol OH O

Organic Chemistry
9th Edition
ISBN:9781305080485
Author:John E. McMurry
Publisher:John E. McMurry
Chapter23: Carbonyl Condensation Reactions
Section23.SE: Something Extra
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HO
Aldol reactions (condensation of two aldehydes or ketones to yield a ẞ-hydroxy carbonyl) can go in
reverse (ẞ-hydroxy carbonyl to two aldehyde/ketones, a retro-aldol). Propose mechanisms for the
following two transformations, using both intra-molecular aldol and a retro-aldol reactions. Be sure
to follow the rules we have discussed for writing reaction mechanisms!
Na OEt
ethanol
OH
O
Transcribed Image Text:HO Aldol reactions (condensation of two aldehydes or ketones to yield a ẞ-hydroxy carbonyl) can go in reverse (ẞ-hydroxy carbonyl to two aldehyde/ketones, a retro-aldol). Propose mechanisms for the following two transformations, using both intra-molecular aldol and a retro-aldol reactions. Be sure to follow the rules we have discussed for writing reaction mechanisms! Na OEt ethanol OH O
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