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:
Aug. 30, 1994
Filed:
Aug. 31, 1992
Ciba-Geigy Corporation, Ardsley, NY (US);
Abstract
The invention relates to a process for the preparation of glycosides by reacting protected sugars carrying an anomeric hydroxyl group with an aglycon selected from the group consisting of alcohol, thiol and a protected sugar carrying a non-anomeric hydroxyl group, in an inert solvent, in the preferred temperature range from -20.degree. to +250.degree. C., in the presence of catalytic amounts of metal complex salts. The glycosides are obtained in high yield. Often an excess of the .alpha.- or .beta.-form is obtained and even the pure .alpha.- oder .beta.-forms are obtainable.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile