Title:
ZIRCONIUM-BORANE COMPLEX AND METHOD FOR PRODUCING SILOXANES USING SUCH COMPLEX
Document Type and Number:
WIPO Patent Application WO/2007/026831
Kind Code:
A1
Abstract:
Disclosed are a novel zirconium-borane complex and a method for producing the
same. Also disclosed is a method for producing a commercially useful siloxanes
and methane from a hydrosilane and carbon dioxide under mild conditions by using
such a zirconium-borane complex catalyst. Specifically disclosed is a zirconium-borane
complex represented by the following general formula (I). [Zr(R)(L)]+·[B(R)(C6F5)3]-
(I) (In the formula, L represents a bidentate or tridentate ligand, and R represents
an alkyl group or an aralkyl group.) Also specifically disclosed is a method for
producing siloxanes and methane from a hydrosilane and carbon dioxide by using
such a zirconium-borane complex as a catalyst.
Inventors:
MATSUO TSUKASA (JP)
KAWAGUCHI HIROYUKI (JP)
KAWAGUCHI HIROYUKI (JP)
Application Number:
PCT/JP2006/317247
Publication Date:
March 08, 2007
Filing Date:
August 31, 2006
Export Citation:
Assignee:
KEK HIGH ENERGY ACCELERATOR (JP)
MATSUO TSUKASA (JP)
KAWAGUCHI HIROYUKI (JP)
MATSUO TSUKASA (JP)
KAWAGUCHI HIROYUKI (JP)
International Classes:
C07F7/00; C07C1/02; C07C9/04; C07F5/02; C07F7/08; C07F7/18; C07F7/21
Domestic Patent References:
| WO2006036748A2 | 2006-04-06 |
Other References:
MILIONE S. ET AL.: "Cationic benzyl zirconium heteroscorpionates: synthesis and characterization of a novel ethylene polymerisation catalyst showing an unusual temperature dependent polymerisation mechanism", CHEMICAL COMMUNICATIONS, no. 10, 2003, pages 1176 - 1177, XP003009746
TSUKAHARA T. ET AL.: "Neutral and Cationic Zirconium Benzyl Complexes Containing Bidentate Pyridine-Alkoxide Ligands. Synthesis and Olefin Polymerization Chemistry of (pyCR2O)2Zr(CH2Ph) and (pyCR20)2Zr(CH2Ph)+ Complexes", ORGANOMETALLICS, vol. 16, no. 15, 1997, pages 3303 - 3313, XP002260137
GIANNINI L. ET AL.: "Organometallic Reactivity on a Calix[4]arene Oxo Surface. Synthesis and Rearrangement of Zr-C Functionalities Anchored to a Calix[4]arene Moiety", JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol. 119, no. 39, 1997, pages 9198 - 9210, XP001199593
TSUKAHARA T. ET AL.: "Neutral and Cationic Zirconium Benzyl Complexes Containing Bidentate Pyridine-Alkoxide Ligands. Synthesis and Olefin Polymerization Chemistry of (pyCR2O)2Zr(CH2Ph) and (pyCR20)2Zr(CH2Ph)+ Complexes", ORGANOMETALLICS, vol. 16, no. 15, 1997, pages 3303 - 3313, XP002260137
GIANNINI L. ET AL.: "Organometallic Reactivity on a Calix[4]arene Oxo Surface. Synthesis and Rearrangement of Zr-C Functionalities Anchored to a Calix[4]arene Moiety", JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol. 119, no. 39, 1997, pages 9198 - 9210, XP001199593
Attorney, Agent or Firm:
SAEGUSA, Eiji et al. (1-7-1 Doshomachi, Chuo-k, Osaka-shi Osaka 45, JP)
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