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:
Jul. 04, 2006
Filed:
Jul. 23, 2001
Clark R. Landis, Madison, WI (US);
Wiechang Jin, Madison, WI (US);
Jonathan S. Owen, Pasadena, CA (US);
Thomas P. Clark, Madison, WI (US);
Clark R. Landis, Madison, WI (US);
Wiechang Jin, Madison, WI (US);
Jonathan S. Owen, Pasadena, CA (US);
Thomas P. Clark, Madison, WI (US);
Wisconsin Alumni Research Foundation, Madison, WI (US);
Abstract
A diazaphosphacycle may be synthesized by reacting a phosphine with a diimine and optionally one or more equivalents of an acid halide, a sulfonyl halide, a phosphoryl halide, or an acid anhydride in the substantial absence of Oto form the diazaphosphacycle. The phosphine has the formula R—PHwhere Ris a substituted or unsubstituted aryl group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted cycloalkyl group, or a substituted or unsubstituted ferrocenyl group.