| 摘要 |
A CROSS-METATHESIS PROCESS FOR PREPARING AN ?, ?-FUNCTIONALIZED OLEFIN, SUCH AS METHYL 9-DECENOATE, AND AN ?-OLEFIN HAVING THREE OR MORE CARBON ATOMS, SUCH AS 1 -DECENE. THE PROCESS INVOLVES CONTACTING IN A FIRST REACTION ZONE AN ?-FUNCTIONALIZED INTERNAL OLEFIN, SUCH AS METHYL OLEATE, AND AN ?-OLEFINIC MONOMER HAVING THREE OR MORE CARBON ATOMS, SUCH AS 1 -DECENE, WITH A FIRST METATHESIS CATALYST TO PREPARE AN EFFLUENT STREAM CONTAINING THE ?, ?-FUNCTIONALIZED OLEFIN, SUCH AS METHYL 9-DECENOATE, AN UNFUNCTIONALIZED INTERNAL OLEFIN, SUCH AS 9-OCTADECENE, UNCONVERTED REACTANT OLEFINS, AND OPTIONALLY, AN ?, ?-DIFUNCTIONALIZED INTERNAL OLEFINIC DIMER, SUCH AS DIMETHYL 9-OCTADECEN-1, 18-DIOATE; SEPARATING SAID EFFLUENT STREAMS; THEN CONTACTING IN A SECOND REACTION ZONE THE UNFUNCTIONALIZED INTERNAL OLEFIN WITH ETHYLENE IN THE PRESENCE OF A SECOND METATHESIS CATALYST TO OBTAIN A SECOND PRODUCT EFFLUENT CONTAINING THE ?-OELFINIC MONOMER HAVING THREE OR MORE CARBON ATOMS; AND CYCLING A PORTION OF THE ?-OLEFINIC MONOMER STREAM(S) TO THE FIRST REACTION ZONE. |
