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:
Dec. 25, 1979
Filed:
Jul. 11, 1978
Applicant:
Inventor:
Herbert Scholz, Ludwigshafen, DE;
Assignee:
BASF Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
260573 ; 536 53 ;
Abstract
A process for the manufacture of N-[3,4-dimethylphenyl]-D-ribamine, in which (a) a mixture of 3,4-dimethylaniline and/or 3,4-dimethylnitrobenzene and a D-ribonic acid derivative of the formula ##STR1## where each R' is hydrogen or one of the R's together with R' is a single bond, R' is hydroxyl, R'' --O-- or, together with R', a single bond, and R'' is a hydrocarbon radical of 1 to 10 carbon atoms which may or may not be substituted by hydroxyl groups, or (b) D-ribonic acid 3,4-dimethylanilide is catalytically hydrogenated in an inert solvent at from above 100.degree. C. to 155.degree. C.