Synthesis Of 7.7-Dichlorobicyclo [4.1.0]Heptane – Phase Transfer Catalysis

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Science

 

Written by:

Danielle S

 

Date added:

June 6, 2017

 

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B

 

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5 / 1371

 

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The mechanism of action of the above mentioned PTC is described in the text along with the mechanism for the addition of a dichlorocarbene. The percentage yield obtained was 38.80%. This is considerably low due to an unfortunate spillage of the product at the stage of semi- micro distillation. Introduction Phase transfer catalysts (PCT) are used to catalyze reactions involving chemical species which are present in different phases...
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These types of reactions are known as a homogeneous two phase reactions and are usually very slow because the two primary reactants (in this case CHCl3 and NaOH) are in different phases. The reaction catalyzed in this experiment is the addition of a dichlorocarbene to cyclohexene. The dichlorocarbene must first be generated in solution and this is done using the strong base, 50% aqueous sodium hydroxide, with the aid of the PTC...
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