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US 11,291,983 B2Granted
Organoruthenium carbide complexes as precatalysts for olefin metathesis
AssigneesApeiron Synthesis S.A., Promerus, LLC
InventorsRafał Gawin, Oleksandr Burtovyy, Larry F Rhodes
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Abstract
Embodiments in accordance with the present invention encompass an organoruthenium compound of the formula (I) or formula (II): Wherein X, L, R1, R2, R3, R4, R5, Ar1 and Ar2 are as defined herein. Also disclosed herein are the use of organoruthenium compound of the formula (I) or formula (II) as (pre)catalysts for the olefin metathesis reactions, as well as to the process for carrying out the olefin metathesis reaction.
Claims11
A compound of the formula I:
- wherein:
- X is chlorine, bromine or iodine;
- L is PR3, where each R is independently selected from the group consisting of isopropyl, sec-butyl, tert-butyl, cyclohexyl, bicyclo(C5-C10)alkyl, phenyl, benzyl, isopropoxy, sec-butoxy, tert-butoxy, cyclohexyloxy, phenoxy and benzyloxy;
- R1 is selected from the group consisting of methyl, ethyl, isopropyl, sec-butyl, tert-butyl, substituted or unsubstituted cyclohexyl, substituted or unsubstituted phenyl, substituted or unsubstituted biphenyl and substituted or unsubstituted naphthyl;
- Ar1 is selected from the group consisting of substituted or unsubstituted phenyl, substituted or unsubstituted biphenyl and substituted or unsubstituted naphthyl;
- wherein said substituents are selected from the group consisting of methyl, ethyl, iso-propyl, tert-butyl and phenyl;
- and
- with the proviso that when X is chlorine, R1 is not 2,4,6-trimethylphenyl.
5 more elements
Dependencies are inferred from the claim text.