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. 21, 1998
Filed:
Jun. 05, 1995
Applicant:
Inventors:
Song Liu, Norwich, NY (US);
David Edward Portlock, Norwich, NY (US);
Gilles Yves Genain, Wyoming, OH (US);
Jean-Jacques Koenig, Maisons Lafitte, FR;
Jacques de Rostolan, Gif Sur Yvette, FR;
Randy Stuart Muth, Poolville, NY (US);
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H / ; C07H / ;
U.S. Cl.
CPC ...
536-41 ; 536-111 ; 536 185 ; 536 186 ; 536115 ; 536119 ; 536124 ;
Abstract
The present invention relates to a method for making a compound of the structure: ##STR1## comprising the steps: (a) adding 6-deoxy-.alpha.-L-mannopyranosyl bromide, 2,3,4-tri-O-benzoate; DMSO; a base, selected from the group including tertiary amines, amidines, bicarbonates, carbonates, heteroaryl amine, and a solvent, hydrocarbons, esters, and ethers, in a slurry heated to 50.degree.-150.degree. C.;