Avermectin derivatives

US8183351B2 · kind B2 · utility

Assignee

• BAYER CROPSCIENCE AKTIENGESELLSCHAFT · DE

Inventors

• Peter Jeschke · Eltville am Rhein, DE
• Gunter Karig
• Robert Velten · Langenfeld, DE
• Reiner Fischer · Monheim, DE
• Olga Malsam · Sankt Goarshausen, DE
• Ulrich Görgens · Ratingen, DE
• Christian Arnold · Langenfeld, DE
• Erich Sanwald · Frankfurt am Main, DE
• Achim Harder · Leverkusen, DE
• Andreas Turberg · Haan, DE

Key dates

• Filing date: Aug 8, 2007
• Grant date: May 22, 2012
• Expiry date: Sep 30, 2028

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07H13/02
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Novel avermectin derivatives of the formula (I)in which —C22R1-A-C23R2, R3, R4 and R5 have the meanings given in the description, processes for preparing these compounds and their use for controlling animal pests, and also novel intermediates and their preparation.