Derivatives of cyclodepsipeptide PF1022 substance

US6329338A · kind A · utility

Assignees

• MEIJI SEIKA KAISHA, LTD. · JP
• BAYER HEALTHCARE LLC · DE

Inventors

• Osamu Sakanaka · Yokohama, JP
• Yumiko Okada · Yokohama, JP
• Makoto Ohyama · Odawara, JP
• Maki Matsumoto · Odawara, JP
• Masaaki Takahashi · Hitachi, JP
• Yasushi Murai · Yokosuka, JP
• Katsuharu Iinuma · Odawara, JP
• Achim Harder · Leverkusen, DE
• Norbert Mencke · Leverkusen, DE
• Gerhard Bonse · Neunburg vorm Wald, DE
• Peter Jeschke · Eltville am Rhein, DE

Key dates

• Filing date: May 20, 1998
• Grant date: Dec 11, 2001
• Expiry date: May 20, 2018

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P20/55
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Novel derivatives of PF1022 substance, which are cyclodepsipeptides represented by the general formula (I) shown below or their salts are useful as anthelmintic agent for prevention or treatment of parasitic infections. ##STR1##