Process for preparing 3-methylbut-1-ene

Process for preparing 3-methylbut-1-ene

  • CN 101,104,572 A
  • Filed: 07/10/2007
  • Published: 01/16/2008
  • Est. Priority Date: 07/11/2006
  • Status: Active Application
First Claim
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1. one kind prepares the method for 3-methyl but-1-ene from the hydrocarbon stream I that comprises iso-butylene,It is characterized in that,A) hydrocarbon stream II, it comprises at least 70 quality % iso-butylenes, for the alkene that exists in the hydrocarbon stream;

  • and be acquisition or identical with it from hydrocarbon stream I;

    be fed in the hydroformylation process step, wherein hydroformylation takes place in iso-butylene in the presence of rhodium catalystB) aldehyde that obtains from the hydroformylation of iso-butylene in step a) is hydrogenated and is alcohol corresponding,C) by from processing step b) at least a alcohol that obtains dehydration make 3-methyl but-1-ene.

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