Process for the preparation of bifunctional tertiary aromatic phosphine sulfides, and also several specific representatives of this class of compounds

US4847419A · kind A · utility

Assignee

• Hoechst Aktiengesell · DE

Inventors

• Erwin Weiss · Hofheim, DE
• Hans-Jerg Kleiner · Kronberg, DE

Key dates

• Filing date: Jan 15, 1987
• Grant date: Jul 11, 1989
• Expiry date: Jan 15, 2007

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F9/5325
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A compound of the formula I, ##STR1## in which X is F, Cl or Br, PA1 R is alkyl having from 1 to 5 carbon atoms, aryl, aryloxy or aralkyl and PA1 n is an integer from 1 to 5, a plurality of R representing equal or different of said substituents and a process for preparing them.