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   DIR Return to: General Organic Chemistry
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       #Post#: 2519--------------------------------------------------
       Elimination
   DIR By: Sobia Sarwar
       Date: April 23, 2013, 8:06 am
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       what should be the conditions for a elimination reaction to give
       Saytezeff product?
       #Post#: 2521--------------------------------------------------
       Re: Elimination
   DIR By: Potla
       Date: April 24, 2013, 2:22 am
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       1) Precondition for elimination over substitution: the alkyl
       halide used should not be 1 degree... In general the order of
       elimination reactions are favoured more for 2/3 degree halides.
       If you had used alcoholic KOH on CH3CH2Cl, then it would have
       given CH3CH2OEt instead of our expected alkene.
       2) The base used should not be bulky. For example, EtONa gives
       Sayetzeff product, but tertiary butoxide gives Hoffmann product.
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