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:
Oct. 20, 2020
Filed:
Sep. 21, 2017
Applicant:
Johnson Matthey Public Limited Company, London, GB;
Inventors:
William Carole, Wayne, PA (US);
Thomas Colacot, Wayne, PA (US);
Carin Seechurn, Hertfordshire, GB;
Thomas Scrase, Hertfordshire, GB;
Assignee:
Johnson Matthey Public Limited Company, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 15/00 (2006.01); C07F 9/52 (2006.01);
U.S. Cl.
CPC ...
C07F 15/0066 (2013.01); C07F 9/52 (2013.01);
Abstract
The present invention provides a process for the preparation of a complex of formula (I): comprising the step of reacting Pd(diolefin)Xor PdXand PRRRin a solvent to form the complex of formula (I), wherein the process is carried out in the absence of a base, the molar ratio of Pd(diolefin)X:PRRRor PdX:PRRRis greater than 1:1.1, up to about 1:2.5; each X is independently a halide; and R, Rand Rare independently selected from the group consisting of tert-butyl and isopropyl.