Reduction of 9-Fluorenone to 9-Fluorenol using the Borohydride Form of an Anion-Exchange Resin.

 

Procedure:
  1. Load an 8 mL SPE tube with 1 g of the resin.
  2. Pass a solution of 25 mg fluorenone in ethanol over the resin.
  3. Analyze the product to determine the extent of reduction.
Notes:
  1. Aldrich #32,864-2 exchange resin was used. This is 7% borohydride on Amberlyst IRA-400. The resin can also be prepared in the lab.
  2. HPLC can be used for this analysis. IR can give qualitative information about the presence or absence of OH and carbonyl.






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© February 1996.



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These experiments are designed to be used in college and university level chemistry laboratory courses, and assume the availability of routine supplies, equipment, and instrumentation usually associated with organic chemistry laboratory courses, as well as an appropriate modern level of supervision, safety training, personal protective equipment, and other safety facilities. Any users of these procedures assume all responsibility for the safe handling of hazardous chemicals and procedures. In any event the authors, webmasters, The University of Wyoming , Rochester Institute of Technology, or Dartmouth College shall not be liable for incidental or consequential damages in connection with, or arising out of, the furnishing, performance, or use of these procedures.

Updated February 1997.