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Title:
METHODS FOR PREPARING RUTHENIUM CARBENE COMPLEX PRECURSORS AND RUTHENIUM CARBENE COMPLEXES
Document Type and Number:
WIPO Patent Application WO/2013/055644
Kind Code:
A3
Abstract:
A method for preparing a ruthenium carbene complex precursor includes reacting a ruthenium refinery salt with a hydrogen halide to form a ruthenium intermediate, and reacting the ruthenium intermediate with an L-type ligand to form the ruthenium carbene complex precursor. A method for preparing a ruthenium vinylcarbene complex includes converting a ruthenium carbene complex precursor into a ruthenium hydrido halide complex, and reacting the ruthenium hydrido halide complex with a propargyl halide to form the ruthenium carbene complex. A method for preparing a ruthenium carbene complex includes converting a ruthenium carbene complex precursor into a ruthenium carbene complex having a structure (PR1 R2R3)2CI2Ru=CH-R4, wherein R1, R2, R3, and R4 are alike or different, and wherein covalent bonds may optionally exist between two or more of R1, R2, and R3 and/or two of R1, R2, and R3 taken together may optionally form a ring with phosphorous.

Inventors:
KUNZ LINDA A (US)
COHEN STEVEN A (US)
LUETKENS MELVIN L (US)
Application Number:
PCT/US2012/059280
Publication Date:
July 25, 2013
Filing Date:
October 09, 2012
Export Citation:
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Assignee:
ELEVANCE RENEWABLE SCIENCES (US)
KUNZ LINDA A (US)
COHEN STEVEN A (US)
LUETKENS MELVIN L (US)
International Classes:
C07F15/00
Foreign References:
EP1375506A12004-01-02
Other References:
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HERBERT D. KAESZ: "Inorganic Syntheses", vol. 26, 1989, JOHN WILEY & SONS, INC., Hoboken, article ALBERS, M.O. ET AL.: "(1, 5-Cyclooctadiene)Ruthenium(II) Complexes", pages: 68 - 77, XP002687946
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MADEC ET AL.: "Asymmetric hydrogenation reactions using a practical in situ generation of chiral ruthenium-diphosphine catalysts from anhydrous RuCl3", TETRAHEDRON, no. 57, 2001, pages 2563 - 2568, XP002693499
WILHELM T E ET AL: "REACTIVITY OF RU(H)(H2)CL(PCY3)2 WITH PROPARGYL AND VINYL CHLORIDES: NEW METHODOLOGY TO GIVE METATHESIS-ACTIVE RUTHENIUM CARBENES", ORGANOMETALLICS, vol. 16, no. 18, 2 September 1997 (1997-09-02), ACS, WASHINGTON, DC, US, pages 3867 - 3869, XP001037576, ISSN: 0276-7333, DOI: 10.1021/OM9705259
SCHRODI: "Evolution and applications of second-generation ruthenium olefin metathesis catalysts", ALDRICHIMICA ACTA, vol. 40, no. 2, 2007, pages 45 - 52, XP055055866, ISSN: 0002-5100
ANONYMOUS: "Colonial Metals", 2010, pages 3PP,1 - 8,18-24, XP002694672, Retrieved from the Internet [retrieved on 20130328]
Attorney, Agent or Firm:
LEITENBERGER, Bryan, J. (P.O. Box 10087Chicago, IL, US)
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