IMPROVEMENT OF HYDROGENATION PROCESS

摘要

1396442 Cyclopentene GOODYEAR TIRE & RUBBER CO 26 March 1973 [5 May 1972] 14378/73 Heading C5E Cyclopentene is prepared by continuously hydrogenating cyclopentadiene at -10‹ to +150‹ C. and 0-1000 p.s.i.g. with a catalyst comprising Pd on Al 2 O 3 which is flooded with the cyclopentadiene feedstock. The molar ratio of H 2 : cyclopentadiene may be 1 to 50 : 1.