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. 27, 1999
Filed:
Apr. 15, 1997
Applicant:
Inventors:
Masakazu Nishiyama, Yokkaichi, JP;
Yasuyuki Koie, Inabe-gun, JP;
Assignee:
Tosoh Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
564386 ; 564148 ; 564374 ; 564376 ; 564144 ; 564391 ; 564395 ; 564405 ; 564407 ; 544358 ; 544392 ; 544106 ; 544197 ; 544359 ; 544373 ; 546 15 ; 546 23 ; 546 24 ;
Abstract
A heterocyclic aromatic halide or an aryl halide is reacted with an amine compound in the presence of a base to give a heterocyclic aromatic amine or an arylamine, respectively. In this reaction, a catalyst comprising a palladium compound and a tertiary phosphine is used for the preparation of a heterocyclic aromatic amine, and a catalyst comprising a palladium compound and a trialkylphosphine is used for the preparation of an arylamine.
Nishiyama, Masakazu. (1999). Process for producing heterocyclic aromatic amine or arylamine (U.S. Patent No. 5929281). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5929281
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile