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:
Jan. 15, 1991
Filed:
Sep. 01, 1989
Applicant:
Inventor:
John P Larkin, Leighton Buzzard, GB;
Assignee:
The Wellcome Foundation Ltd., London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
558388 ; 558430 ; 558432 ; 558433 ; 558434 ; 558436 ; 568 56 ; 568 57 ; 568 62 ; 568 65 ; 568 66 ;
Abstract
Bicyclo-[2,2,1]-heptanes, bicyclo-[2,2,2]-octanes and bicyclo-[2,2,3]-nonanes, having 2 or 3 ring hetero atoms selected from O, S and N substituted at the 1-position by a carbocyclic group other than an alkynylphenyl group, and substituted at the 4-position and optionally substituted at the 3 and/or 5 position, are valuable pesticides, particularly insecticides and acaricides. Various cyclization processes are disclosed to form the various bicyclo ring systems.