Method for producing 6-alkoxy-(6H)-dibenz [c,e] [1,2]-oxaphosphorines

US7115765B2 · kind B2 · utility

Assignee

• Forschungszentrum Karlsruhe GmbH · DE

Inventors

• Stephan Sprenger · Oststeinbek, DE
• Michael Ciesielski · Orchard Park, US
• Carsten Kollann · Blankenloch, DE
• Manfred Döring · Bad Mergentheim, DE

Key dates

• Filing date: Feb 12, 2003
• Grant date: Oct 3, 2006
• Expiry date: Feb 12, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F9/65719
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to a process for preparing 6-alkoxy-(6H)-dibenzo[c,e][1,2]oxaphosphorins, wherein 6H-dibenzo[c,e][1,2]oxaphosphorin 6-oxides of the formula Iare used as the reactant.