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:
Nov. 17, 1987
Filed:
Sep. 18, 1985
Applicant:
Inventor:
Robin G Shepherd, Maidenhead, GB;
Assignee:
John Wyeth & Brother Limited, Maidenhead, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
546176 ; 546 79 ; 546 93 ; 546101 ; 546104 ; 546110 ; 546112 ; 546173 ; 546177 ;
Abstract
Nitriles and thioamides of fused ring pyridine compounds such as 5,6,7,8-tetrahydroquinolines are prepared from metal derivatives of the starting compounds such as 8-lithio-5,6,7,8-tetrahydroquinolines which have been prepared by treating a 5,6,7,8-tetrahydroquinoline with a metal amide prepared in situ from a metal alkyl and an N-benzylidine-N-alkylamine.
Shepherd, Robin. (1987). Preparation of nitriles and thioamides of fused ring pyridine derivatives (U.S. Patent No. 4707552). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4707552
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile