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:
Jun. 07, 1994
Filed:
Jun. 12, 1992
Applicant:
Inventor:
Willy Kinzy, Inzlingen, DE;
Assignee:
Merck Patent Gesellschaft mit beschrankter Haftung, Darmstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07H / ;
U.S. Cl.
CPC ...
536 172 ; 5361231 ; 536 186 ;
Abstract
The invention relates to a new process for the stereoselective preparation of Gal-.alpha.(1-3)/Gal-.beta.(1-4)/GlcNac trisaccharides of the formula ##STR1## and of .beta.(1-3)-linked oligolactosamines of the formula ##STR2## via partially alkylated glycals of the formula ##STR3## and other new intermediate products, wherein, depending on the formula, R is H, R'CH.sub.2 --, or allyl,