Process for preparing fluorinated conjugated olefinic products and new products thus obtained

US4947006A · kind A · utility

Assignee

• Ausimont S.R.L. · IT

Inventors

• Antonio Marraccini · Novara, IT
• Antonio Pasquale · Novara, IT
• Tiziana Fiorani · Novara, IT

Key dates

• Filing date: Jun 29, 1989
• Grant date: Aug 7, 1990
• Expiry date: Jun 29, 2009

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C41/24
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Preparing fluorinated conjugated olefinic products having, among others, the formulae: EQU R.sub.x O--(CF.dbd.CF).sub.m --F (A) EQU R.sub.x O--(CF.dbd.CF).sub.m --OR.sub.x (B) EQU F--(CF.dbd.CF).sub.m --F (C), and EQU R.sub.y --(CF.dbd.CF).sub.m --F (D) wherein: PA0 R.sub.x and R.sub.y represent, among others, a perhalogenated alkyl radical containing from 1 to 10 carbon atoms in the case of R.sub.x and from 1 to 9 carbon atoms in the case of R.sub.y, and PA0 m is a numeral in the range of from 2 to 10. These olefinic products are obtained by reacting telomeric products having, among others, the formulae: EQU R.sub.x O--(CFCl--CFCl).sub.m --F EQU R.sub.x O--(CFCl--CFCl).sub.m --OR.sub.x EQU F--(CFCl--CFCl).sub.m --F, and EQU R.sub.y --(CFCl--CFCl).sub.m --F