Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
BIS(PHOSPHINE)BORONIUM SALTS, PROCESS FOR PREPARATION OF BIS(PHOSPHINE)BORONIUM SALTS, AND BIS(PHOSPHINE)BORONIUM SALTS PREPARED BY THE PROCESS
Document Type and Number:
WIPO Patent Application WO/2007/091445
Kind Code:
A1
Abstract:
[PROBLEMS] To provide bis(phosphine)boronium salts useful as building blocks mainly in preparing diphosphines effective in various catalytic reactions with transition metals, a favorable process for the preparation of bis(phosphine)boronium salts, and bis(phosphine)boronium salts prepared by the process. [MEANS FOR SOLVING PROBLEMS] Bis(phosphine)boronium salts characterized by having structures represented by the general formula (1): (1)

Inventors:
YAMAGUCHI, Kentaro (1314-1, Shido Sanuki-sh, Kagawa 93, 7692193, JP)
山口 健太郎 (〒93 香川県さぬき市志度1314-1 Kagawa, 7692193, JP)
DANJO, Hiroshi (1314-1, Shido Sanuki-sh, Kagawa 93, 7692193, JP)
檀上 博史 (〒93 香川県さぬき市志度1314-1 Kagawa, 7692193, JP)
Application Number:
JP2007/051431
Publication Date:
August 16, 2007
Filing Date:
January 30, 2007
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Japan Science and Technology Agency (4-1-8, Honcho Kawaguchi-sh, Saitama 12, 3320012, JP)
独立行政法人科学技術振興機構 (〒12 埼玉県川口市本町4丁目1番8号 Saitama, 3320012, JP)
National University Corporation Chiba University (1-33, Yayoicho Inage-ku, Chiba-sh, Chiba 22, 2638522, JP)
国立大学法人千葉大学 (〒22 千葉県千葉市稲毛区弥生町1番33号 Chiba, 2638522, JP)
YAMAGUCHI, Kentaro (1314-1, Shido Sanuki-sh, Kagawa 93, 7692193, JP)
山口 健太郎 (〒93 香川県さぬき市志度1314-1 Kagawa, 7692193, JP)
International Classes:
C07F19/00; C07F5/02; C07F9/54
Foreign References:
JP2002338586A
JP2004331540A
JP2001253889A
JP2003292498A2003-10-15
JP2003313194A
Other References:
YAMAMOTO Y. ET AL.: 'Facile Synthesis of Highly Congested 1,2-Diphosphinobenzenes from Bis(phosphine)boronium Salts' ORGANIC LETTERS vol. 8, no. 26, 2006, pages 6103 - 6106, XP003016793
KAWANO Y. ET AL.: 'BH Bond Activation of Trimethylphosphineborane by Transition Metal Complexes: Synthesis of Metal Complexes Bearing Nonsubstituted Boryl-Trimethylphosphine, Cp*M(CO)3(BH2.PME3) (M = Mo, W)' JOURNAL OF THE AMERICAN CHEMICAL SOCIETY vol. 121, no. 50, 1999, pages 11744 - 11750, XP003016794
BA-ISA A. ET AL.: 'Desorption ionization mass spectrometry. Secondary ion mass spectra of phosphonium salts' TETRAHEDRON vol. 39, no. 4, 1983, pages 591 - 597, XP003016795
SCHMIDBAUR H. ET AL.: 'Hydrotris(phosphonio) borate dications' ANGEWANDTE CHEMIE vol. 100, no. 8, 1988, pages 1135 - 1138, XP003016796
See also references of EP 1982989A1
Attorney, Agent or Firm:
OGAWA, Hirokuni (Mikuni-building 3F-23, 4-4-3 Koryonakamachi, Sakai-ku, Sakai-sh, Osaka 24, 5900024, JP)
Download PDF: