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:
Feb. 24, 2026
Filed:
Aug. 28, 2020
Sumitomo Chemical Company, Limited, Chuo-ku, JP;
Tatsuya Saito, Osaka, JP;
Hideki Ihara, Osaka, JP;
SUMITOMO CHEMICAL COMPANY, LIMITED, Chuo-ku, JP;
Abstract
A purpose of the present invention is to provide a method for producing a glycoside compound having a high purity. The present invention provides a method for producing a glycoside compound represented by formula (3) (wherein B, i-Pr and n are the same as those defined below), which comprises reacting a glycoside compound of formula (1) (wherein Brepresents an adenine group which may be optionally substituted with an acyl group, and i-Pr represents an isopropyl group) with an ether compound of formula (2) (wherein Rrepresents a C1-C6 alkyl group or a phenyl group, and n is 0 or 1) in one or more solvents selected from tetrahydropyran and 4-methyltetrahydropyran in the presence of one or more halogenated agents selected from halogen, N-halogenated succinimide, and N-halogenated hydantoin.