| abstract |
A PROCEDURE FOR OBTAINING PROPENE IS DESCRIBED BY A) REACTION OF 1 - BUTENE, 2 - BUTENE AND ISOBUTENE TO PROPOSE, 2 - PENTENE AND 2 - METHYL - 2 - BUTENE IN THE PRESENCE OF A METATASIS CATALYST, CONTAINING AT LEAST A COMPOSITE OF A METAL OF SECONDARY GROUPS VIB., VIIB. Or VIII. OF THE PERIODIC SYSTEM OF THE ELEMENTS, B) SEPARATION OF THE FORMED PROPENE AND 2 - PENTENE / 2 - METHYL - 2 - BUTENE, C) CONTINUED REACTION OF 2 - PENTENE AND 2 - METHYL - 2 BUTENO WITH ETERES TO PROVIDE, 1 - BUTENE AND ISOBUTENE IN THE PRESENCE OF A METATESIS CATALYST, CONTAINING AT LEAST A COMPOSITE OF A METAL OF SECONDARY GROUPS VIB., VIIB. Or VIII. OF THE PERIODIC SYSTEM OF THE ELEMENTS, D) SEPARATION OF THE FORMED PROPENE AND 1 - BUTENE / ISOBUTENE, E) RECYCLED OF 1 - BUTENO AND ISOBUTENO TO STAGE A). |