Patent ID: 6184391
Filing Date: 2001-02-06
Classification: C07C,C07D,Y02P

Abstract:
A process for producing one or more substituted or unsubstituted epsilon caprolactones and/or hydrates and/or esters thereof which comprises: (a) subjecting one or more substituted or unsubstituted alkadienes to hydrocarbonylation in the presence of a hydrocarbonylation catalyst and a promoter to produce one or more substituted or unsubstituted penten-1-ols comprising 3-penten-1-ols, wherein said promoter comprises an organic or inorganic compound with an ionizable hydrogen of pKa of from about 1 to about 35; and (b) subjecting said one or more substituted or unsubstituted penten-1-ols to isomerization and carbonylation in the presence of an isomerization and carbonylation catalyst to produce said one or more substituted or unsubstituted epsilon caprolactones and/or hydrates and/or esters thereof.