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:
Oct. 18, 1983
Filed:
Jun. 28, 1979
Applicant:
Inventor:
Tsutomu Sugasawa, Kobe, JP;
Assignee:
Shionogi & Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564327 ; 564-9 ;
Abstract
Process for the production of o-(N-monosubstituted amino)benzyl alcohols which comprises reacting an N-mono-substituted aniline optionally having one or more substituents with a boron trihalogenide at a temperature from about 0.degree. C. to about 100.degree. C. and reacting the resultant boron compound with an aldehyde in the presence of a base at a temperature from about -30.degree. C. to about 100.degree. C. to regiospecifically introduce a 1-hydroxy-alkyl or 1-hydroxy-substituted alkyl group into the ortho position of said aniline.