Tertiary phosphanes containing alkylene glycol groups

US6160180A · kind A · utility

Assignee

• CELANESE CHEMICALS EUROPE GMBH · DE

Inventors

• Steffen Haber · Landau, DE
• Hans-Jerg Kleiner · Kronberg, DE
• Sandra Bogdanovic · Frankfurt am Main, DE
• Helmut Bahrmann · Hamminkeln, DE
• Carl D. Frohning · Wesel, DE

Key dates

• Filing date: Apr 22, 1999
• Grant date: Dec 12, 2000
• Expiry date: Apr 22, 2019

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J2531/96
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

A compound is disclosed having the formula (I), in which m equals 1 to 1000; x equals 0 to 4; W is a group of formulas --CH.sub.2 --CH.sub.2 --, --CH(CH.sub.3)CH.sub.2 -- or --CH.sub.2 CH(CH.sub.3)--; R is hydrogen, a straight-chain or branched-chain C.sub.1 -C.sub.5 alkyl radical; or a group of formulas (a) or (b), in which a, b, c, d and e independently represent a number from 0 to 1000, at least one of the numbers represented by a, b, c, d and e being higher than 0; R.sup.5, R.sup.6, R.sup.7, R.sup.8 and R.sup.9 are the same or different and represent hydrogen, C.sub.1 -C.sub.5 alkyl or a group of formula (c); R.sup.1 and R.sup.2 are the same or different and represent a straight-chain, a branched-chain or a cyclic C.sub.1 -C.sub.30 alkyl radical or C.sub.6 -C.sub.10 aryl radical which is non-substituted or substituted by one to five C.sub.1 -C.sub.3 alkyl radicals, or R.sup.1 and R.sup.2 form together with the trivalent P atom form a dibenzophospholyl of formula (d) or a 3,4-dimethylphospholyl of formula (e); and L stands for C.sub.1 -C.sub.5 alkyl, C.sub.1 -C.sub.5 alkoxy, NO.sub.2, NR.sup.3 R.sup.4, R.sup.3 and R.sup.4 independently representing hydrogen or C.sub.1 -C.sub.4 a…