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picture1_Aldol Condensation Ppt 82107 | 15610 Item Download 2022-09-09 18-29-12


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File: Aldol Condensation Ppt 82107 | 15610 Item Download 2022-09-09 18-29-12
carbonyl condensation reactions the aldol reaction in the aldol reaction two molecules of an aldehyde or ketone react with each other in the presence of a base to form a ...

icon picture PPTX Filetype Power Point PPTX | Posted on 09 Sep 2022 | 3 years ago
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             Carbonyl Condensation Reactions
   The Aldol Reaction
   • In the aldol reaction, two molecules of an aldehyde or 
    ketone react with each other in the presence of a base 
    to form a -hydroxy carbonyl compound. 
                                                          3
             Carbonyl Condensation Reactions
   The Aldol Reaction
   • In the aldol reaction, two molecules of an aldehyde or 
    ketone react with each other in the presence of a base 
    to form a -hydroxy carbonyl compound. 
                                                          4
              Carbonyl Condensation Reactions
   The Aldol Reaction
   • The  aldol  reaction  is  a  reversible  equilibrium,  so  the 
     position of the equilibrium depends on the base and the 
     carbonyl compound.
   • ¯OH  Is  the  base  typically  used  in  an  aldol  reaction. 
     Although with ¯OH only a small amount of enolate is 
     formed,  this  is  appropriate  because  the  starting 
     aldehyde  is  needed  to  react  with  the  enolate  in  the 
     second step of the reaction.
   • Aldol reactions can be carried out with either aldehydes 
     or  ketones.  With  aldehydes,  the  equilibrium  usually 
     favors products, but with ketones the equilibrium favors 
     the  starting  materials.  However,  there  are  ways  of 
     driving the equilibrium to the right.
                                                                5
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...Carbonyl condensation reactions the aldol reaction in two molecules of an aldehyde or ketone react with each other presence a base to form hydroxy compound is reversible equilibrium so position depends on and oh typically used although only small amount enolate formed this appropriate because starting needed second step can be carried out either aldehydes ketones usually favors products but materials however there are ways driving right...

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