Patent ID: 6172245
Filing Date: 2001-01-09
Classification: C07D

Abstract:
Process for the preparation of the monoepoxide of an olefin reactant selected from norbornene, norbornadiene and olefins having the general formula ##STR9##wherein R.sup.1 is hydrogen or alkyl and R.sup.2 is an aryl radical or the group ##STR10##provided that the olefins of formula (I) contain more than 2 carbon atoms and do not contain any allylic hydrogen atoms, which comprises contacting a reaction gas comprising said olefin reactant, oxygen, an inert diluent, and at least 5 parts per million by volume (ppmv) of at least one nitrogen-containing basic compound with a supported silver epoxidation catalyst at a temperature of about 175 to 230.degree. C.; and recovering a gas containing said monoepoxide of the olefin reactant.