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. 30, 1991
Filed:
Oct. 18, 1989
Applicant:
Inventors:
Tamim F Braish, Ledyard, CT (US);
Darrell E Fox, Pawcatuck, CT (US);
Assignee:
Other;
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ; B01J / ;
U.S. Cl.
CPC ...
548542 ; 548412 ; 548501 ; 548531 ; 548539 ; 548453 ; 548542 ; 540556 ; 540567 ; 540569 ;
Abstract
(R,R)-2,5-Diazabicyclo[ 2.2.1]heptanes are prepared from a compound of the formula ##STR1## wherein X and R.sub.2 are as defined herein, by heating with tosylchloride in pyridine, reacting the formed compound of the formula ##STR2## with a C.sub.1 -C.sub.6 alkylamine or ammonia, and reducing or hydrolyzing the formed compound of the formula ##STR3## wherein R.sub.1 is hydrogen or C.sub.1 -C.sub.6 alkyl.