Process for preparing substituted 1,3-dihydro-2H-indol-2-ones

US8563749B2 · kind B2 · utility

Assignee

• BAYER CROPSCIENCE AKTIENGESELLSCHAFT · DE

Inventors

• Konrad Siegel · Mülheim an der Ruhr, DE
• Gunter Karig

Key dates

• Filing date: May 9, 2011
• Grant date: Oct 22, 2013
• Expiry date: Jul 21, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D209/34
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Process for preparing 1,3-dihydro-2H-indol-2-ones, starting from thioalkyl-, or thiocycloalkyl-substituted indol-2-one compounds, involving Use of the inventively prepared 1,3-dihydro-2H-indol-2-one as intermediates for the synthesis of fine chemicals and active ingredients from pharmacy and/or agriculture.