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:
Sep. 20, 1988
Filed:
May. 21, 1987
Applicant:
Inventor:
Laurence J Nummy, New Burh, NY (US);
Assignee:
Nepera, Inc., Harriman, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
546286 ; 546193 ; 546275 ; 546281 ; 546291 ; 546309 ; 546336 ; 540481 ; 540597 ;
Abstract
Disclosed are compounds of the formula ##STR1## wherein R.sub.1 and R.sub.2 independently are H or C.sub.1-8 -alkyl or together are C.sub.2-7 -alkylene forming a ring with the connecting N-atom; X is CN, halo, C.sub.6-10 -arylsulfonyl, C.sub.6-10 -arylsulfinyloxy, C.sub.6-10 -aryloxy, C.sub.6-10 -arylthio or C.sub.1-8 -alkylsulfonyloxy or nitro, and Y is the anion of an acid having a pK.sub.a of about 3 or less. These compounds are intermediates in the preparation of 4-substituted pyridines.