Bisphosphite compounds and their metal complexes

US6570033B2 · kind B2 · utility

Assignee

• OXENO OLEFINCHEMIE GMBH · DE

Inventors

• Dirk Rottger · Recklinghausen, DE
• Dieter Hess · Marl, DE
• Klaus-Diether Wiese · Haltern am See, DE
• Cornelia Borgmann · Frankfurt, DE
• Armin Börner · Rostock, DE
• Detlef Selent · Berlin, DE
• Reinhard Schmutzler · Wolfenbüttel, DE
• Christine Kunze · Wendeburg, DE

Key dates

• Filing date: Oct 29, 2001
• Grant date: May 27, 2003
• Expiry date: Oct 29, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F15/0073
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A bisphosphite of the formula I wherein R1, R2, R3 and R4 are each hydrogen, an aliphatic, alicyclic, aliphatic-alicyclic, aromatic, aromatic—aromatic, aliphatic-aromatic hydrocarbon or heterocyclic or aliphatic-heterocyclic group having from 1 to 50 carbon atoms, F, Cl, Br, I, —CF3, —OR7, —COR7, —CO2R7, —CO2M, —SR7, —SO2R7, —SOR7, —SO3R7, —SO3M, —CO2NR7R8, NR7R8, N═CR7R8, NH2, where R1 to R4 are identical or different and may be covalently linked to one another;R7 and R8 are each hydrogen, a substituted or unsubstituted, aliphatic or aromatic hydrocarbon radical having from 1 to 25 carbon atoms, and may be identical or different;M is an alkali metal, alkaline earth metal, ammonium or phosphonium ion;Q is a substituted or unsubstituted divalent aliphatic, alicyclic, aliphatic-alicyclic, aromatic, aliphatic-aromatic hydrocarbon, heterocyclic or aliphatic-heterocyclic radical having from 1 to 50 carbon atoms where HO-Q-OH is a diol;W and X are each a substituted or unsubstituted aliphatic, alicyclic, aliphatic-alicyclic, aromatic, aromatic—aromatic, aliphatic-aromatic hydrocarbon, heterocyclic or aliph…