<p>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.</p>
申请公布号
EP0454397(B1)
申请公布日期
1995.04.05
申请号
EP19910303594
申请日期
1991.04.22
申请人
UBE INDUSTRIES, LTD.;ELF ATOCHEM S.A.
发明人
INABA, YUKIO, C/O UBE CHEMICAL FACTORY;UENO, YOHSUKE, C/O UBE CHEMICAL FACTORY;HIRAKAWA, TAKAFUMI, C/O UBE CHEMICAL FACTORY;TAKIGUCHI, SUZUO, C/O UBE CHEMICAL FACTORY