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. 27, 2006
Filed:
Nov. 14, 2002
Kenji Yamamoto, Fukuoka, JP;
Yoshimitsu Suda, Tokorozawa, JP;
Tetsuji Asao, Kokubunji, JP;
Taiho Pharmaceutical Co., Ltd., Tokyo, JP;
Abstract
The present invention provides a peptide derivative of formula (I) or a pharmaceutically acceptable salt thereof wherein X is —CH(OH)— or —CO—; Ris hydrogen or an amino protecting group; Ris hydroxyl or lower alkoxy; one of Rand Ris the side chain (R group) of lysine the amino group of which may be protected with a protecting group and the other of Rand Ris the side chain (R group) of arginine the guanidino group of which may be protected with a protecting group; and Rand Rmay be the same or different and are hydrogen, lower alkyl or aralkyl. The present invention further provides a production process and use thereof.