Ruthenium catalyst

Details Ruthenium catalyst Ruthenium catalyst

2006-09-19

2006-09-19

Nazario-Gonzalez, Porfirio (Department: 1621)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C548S262200, C556S021000, C556S022000, C556S136000, C502S152000, C502S162000, C502S167000

Reexamination Certificate

active

07109344

ABSTRACT:
The invention relates to new (pre)catalysts of ruthenium complexes of formula 1,wherein L1, X1, X′2, R1, R2, R3, Z and n are as defined in claim 1. The novel ruthenium complexes of formula 1 are convenient (pre)catalysts for metathesis reactions and can be applied i.e. for ring-closing metathesis, cross metathesis or ene-ine metathesis reactions.

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Grela, Karol, et al., “A highly efficient ruthenium catalyst for methathesis reactions”, Agnew. Chem. Int. Ed., vol. 41, No. 21, 2002; pp. 4038-4040.
Wakamatsu, Hideaki, et al., “A new highly efficient ruthenium methathesis catalyst”, Agnew. Chem., vol. 114, No. 13, 2002, pp. 2509-2511.
Garber, Steven B. et al., “Efficient and Recyclable Monomeric and Dendritic Ru-Based Metathesis Catalysts”, J. Am. Chem. Soc., vol. 122, 2000, pp. 8168-8179.
Zaja, Mirko, et al., “Ruthenium Olefin Metathesis Catalysts with Modified Styrene ethers: Influence of Steric and Electronic Effects”, Tetrahedron, vol. 59, No. 34, 2003, pp. 6545-6558.

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