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strange reaction.

Discussion in 'Pre-Medical - MD' started by musiclink213, Mar 23, 2004.

  1. musiclink213

    musiclink213 My room is a mess
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    Does anyone know anything about the cannizaro reaction? We had to do one in lab, only we never covered the reaction in lecture, and it's not in the textbook, and lucky me, i get to write a discussion on it without knowing anything about it.

    all i know is i had a (please don't laugh at my pathetic attempts of nomenclature) chlorobenzoaldehyde? chlorobenzene carboxylic acid? it's CH=O with a chlorobenzene group attached to the C. and it underwent a cannizaro reaction and i got 2 products. i have to say what the two products are, but i do not know a thing about this cannizaro reaction, unless it's a regular reaction that just has a fancy name.
     
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  3. jlee9531

    jlee9531 J,A,S
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    Disproportionation of aromatic aldehydes into aromatic acids and aromatic alcohols.

    The speed of the reaction depends on the substituents in the aromatic ring.


    2 ArCHO ----> (in the presence of KOH, ethanol, and 50C) ArCOOH + ArCH2OH
     
  4. musiclink213

    musiclink213 My room is a mess
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    what is Ar? i'm sorry if that's a stupid question, but i'm really lost with tis thing.
     
  5. farley is god

    farley is god Empty Tank.
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    Ar is an Aromatic ring i.e. Benzene

    enjoy your rxn
     
  6. musiclink213

    musiclink213 My room is a mess
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    i've got it! thanks jlee, thanks farley. you guys are too smart. i am simply not worthy.
     
  7. leavesam

    leavesam Member
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    Man. How the heck do people still remember this stuff? I forgot my reactions they day after I took my final.
     
  8. cather

    cather Senior Member
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    You can also look up this stuff on yahoo and try to get lecture notes on it. When I have a hard time learning something, I will search for it on yahoo and try to get other lecture notes on the topic.
     
  9. musiclink213

    musiclink213 My room is a mess
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    i tried that, but all got was syllabi from different schools, nothing really useful.
     
  10. jlee9531

    jlee9531 J,A,S
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    we just really love ochem and sleep with our notes :D
     
  11. AlternateSome1

    AlternateSome1 Burnt Out
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    You must get a lot of paper cuts! :p

    ~AS1~
     

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