Synthesis of terminal alkenes from internal alkenes and ethylene via olefin metathesis

Title: Synthesis of terminal alkenes from internal alkenes and ethylene via olefin metathesis

This invention relates generally to olefin metathesis, and more particularly relates to the synthesis of terminal alkenes from internal alkenes using a cross-metathesis reaction catalyzed by a selected olefin metathesis catalyst. In one embodiment of the invention, for example, a method is provided for synthesizing a terminal olefin, the method comprising contacting an olefinic substrate comprised of at least one internal olefin with ethylene, in the presence of a metathesis catalyst, wherein the catalyst is present in an amount that is less than about 1000 ppm relative to the olefinic substrate, and wherein the metathesis catalyst has the structure of formula (II) ##STR00001## wherein the various substituents are as defined herein. The invention has utility, for example, in the fields of catalysis, organic synthesis, and industrial chemistry.

Inventors:: Schrodi, Yann

Issue Date:: 2015-09-22

OSTI Identifier:: 1221385

Assignee:: ELEVANCE RENEWABLE SCIENCES, INC. (Woodridge, IL) GFO

Patent Number(s):: 9,139,605

Application Number:: 13/913,814

Contract Number:: FG36-04GO14016

Resource Relation:: Patent File Date: 2013 Jun 10

Research Org:: ELEVANCE RENEWABLE SCIENCES, INC., Woodridge, IL (United States)

Sponsoring Org:: USDOE

Country of Publication:: United States

Language:: English

Subject:: 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

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