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:
Sep. 01, 1987
Filed:
Mar. 06, 1985
Applicant:
Inventors:
Haruo Ogura, Matsudo, JP;
Kimio Furuhata, Tokyo, JP;
Toshiaki Osawa, Tokyo, JP;
Satoshi Toyoshima, Tokyo, JP;
Yoshiyasu Shitori, Musashino, JP;
Masayoshi Ito, Kunitachi, JP;
Shoji Yoshimura, Iruma, JP;
Assignee:
MECT Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H / ;
U.S. Cl.
CPC ...
536 23 ; 536 24 ; 536 553 ;
Abstract
A novel N-acetylneuraminic acid derivative, represented by the general formula: ##STR1## wherein the R.sup.1 groups are, independently, hydrogen or acetyl; R.sup.2 is a nucleoside residue; and R.sup.3 is carboxyl or methoxycarbonyl. The N-acetylneuraminic acid derivative is useful in inhibiting metastasis of cancer cells. Also provided is a process for the preparation of the derivatives.