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
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
Chapter23: Carbonyl Condensation Reactions
Section23.SE: Something Extra
Problem 56AP
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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](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2f9c3ee4-3184-4dac-b08f-3b624081feab%2F915b8b35-13a0-470e-99e1-fa0fc89f9f30%2F9xyzf2k_processed.jpeg&w=3840&q=75)
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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