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:
Apr. 13, 1982
Filed:
Mar. 05, 1980
Applicant:
Inventor:
Elner B Rathbone, Wokingham, GB;
Assignee:
Talres Development (N.A.) N.V., Curacao, AN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07H / ;
U.S. Cl.
CPC ...
536122 ; 536119 ;
Abstract
A process for the preparation of a chlorodeoxy derivative of a reducing aldose having a primary hydroxy group in an exocyclic -CH.sub.2 OH group, in which the said primary hydroxy group is replaced by a chlorine atom to give a chlorodeoxy reducing sugar with a free anomeric center, characterized in that the free reducing sugar is reacted with a reagent comprising an N,N-dialkyl (methaniminium) chloride obtained by reacting an N,N-dialkyl formamide with a chlorinating agent.