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US 11,939,410 B2Granted
Organoruthenium complexes as precatalysts for olefin metathesis
AssigneeApeiron Synthesis S.A.
InventorsKrzysztof Skowerski, Michal Chwalba, Anna Gawin, Rafal Gawin, Patryk Krajczy
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Abstract
Embodiments in accordance with the present invention encompass an organoruthenium compound of the formula I: (I) wherein X, Y, L1, L2, R1, R2, R3, R4 and R5 are as defined herein. Also disclosed herein are the use of organoruthenium compound of the formula I as (pre)catalysts for the olefin metathesis reactions, as well as to the process for carrying out the olefin metathesis reaction.
Claims20
A compound of the formula (1):
- wherein:
- is a monovalent anionic bidentate ligand;
- Y is oxygen or sulfur;
- L2 is a neutral ligand;
- R1 is selected from the group consisting of hydrogen, (C1-C20)alkyl, (C2-C20)alkenyl, (C2-C20)alkynyl and (C6-C10)aryl;
- R2, R3, R4 and R5 are the same or different and each independently selected from the group consisting of hydrogen, halogen, (C1-C16)alkyl, (C1-C16)alkoxy, (C1-C16)perhaloalkyl, (C3-C7)cycloalkyl, (C2-C16)alkenyl, (C6-C14)aryl, (C6-C14)perhaloaryl, (C3-C12)heterocyclyl, —OR6, —NO2, —COOH, —COOR6, —CONR6R7, —SO2NR6R7, —SO2R6, —CHO, —COR6, wherein R6 and R7 are the same or different and each independently selected from the group consisting of (C1-C6)alkyl, (C1-C6)perhaloalkyl, (C6-C14)aryl, (C6-C14)perhaloaryl;
- or wherein
- two or more of R2, R3, R4 and R5 taken together with the carbon atoms to which they are attached to form a substituted or unsubstituted, fused (C4-C8)carbocyclic ring, or a substituted or unsubstituted, fused aromatic ring.
5 more elements
Dependencies are inferred from the claim text.