fluorenol - Morgan Bailey Mb33295 Reduction of 9-Fluorenone...

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Morgan Bailey Mb33295 Reduction of 9-Fluorenone Discussion In this laboratory period, we reduced 9-Fluorenone by reacting it with sodium borohydride. This is an example of what happens when a reduction is done in the presence of methanol, as an alcohol was formed. 9-Fluorenol was formed when the reaction was done. Sulfuric acid and heat were also used in the process. In this experiment, we saw the transfer of all the hydride atoms from the sodium borohydride to the electrophilic carbon that was part of the carbonyl group with agreeing transfer of the electron lacking boron atom to the carbonyl oxygen. An intermediate borate salt was formed in this experiment, which was disintegrated when water and acid were added to yield the final alcohol product. In this experiment, we used sulfuric acid before heating the mixture to help catalyze the reaction so the reduction can happen. Sodium Borohydride is a very selective chemical, it reduces only certain things, not everything as opposed to Lithium aluminum hydride which is unselective of what is
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This note was uploaded on 01/23/2012 for the course CH 210C taught by Professor Fetland during the Spring '07 term at University of Texas at Austin.

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fluorenol - Morgan Bailey Mb33295 Reduction of 9-Fluorenone...

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