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. 21, 1997
Filed:
Apr. 04, 1995
Applicant:
Inventor:
Richard C Larock, Ames, IA (US);
Assignee:
Iowa State University Research Foundation, Inc., Ames, IA (US);
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
546146 ; 546 14 ; 546139 ; 549214 ; 549396 ; 549399 ; 549400 ; 549405 ; 549406 ; 549462 ; 549466 ; 549468 ; 549469 ; 560-8 ; 564441 ;
Abstract
A method is provided for the regioselective, palladium catalyzed carbo- or heteroannulation of internal alkynes by aryl iodides containing o-substituted side chains to yield aromatic carbocyclic and heterocyclic ring systems.