The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 25, 2010
Filed:
Jan. 30, 2007
Kentaro Yamaguchi, Sanuki, JP;
Hiroshi Danjo, Sanuki, JP;
Toru Koizumi, Chiba, JP;
Tsuneo Imamoto, Chiba, JP;
Kentaro Yamaguchi, Sanuki, JP;
Hiroshi Danjo, Sanuki, JP;
Toru Koizumi, Chiba, JP;
Tsuneo Imamoto, Chiba, JP;
Japan Science and Technology Agency, Chiba, JP;
Abstract
The present invention aims to provide a bis(phosphine) boronium salt to be used as a building block or the like for producing a diphosphine compound effective mainly for various kinds of transition metal-catalyzed reactions and further to provide a preferable production method of the bis(phosphine) boronium salt and a bis(phosphine) boronium salt to be produced by the production method. The present invention provides a bis(phosphine) boronium salt having the structure defined by the following formula (1).