Process for preparing .epsilon.-caprolactone

Details Process for preparing .epsilon.-caprolactone Process for preparing .epsilon.-caprolactone

1991-04-22

1993-10-05

Ivy, C. Warren

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D31304

Patent

active

052507076

ABSTRACT:
Disclosed is a process for preparing .epsilon.-caprolactone comprising using a percarboxylic acid solution obtained by oxidizing organic carboxylic acid in an organic solvent in the presence of hydrogen peroxide and a boric acid catalyst, and cyclohexanone, supplying 1 to 1.5 mole of percarboxylic acid, 0.012 mole or less of hydrogen peroxide and 0.04 mole or less of the boric acid catalyst per mole of cyclohexanone in a reaction system, and reacting said cyclohexanone with said percarboxylic acid to form .epsilon.-caprolactone.

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