Process for alkyl perfluoro(4,7-dioxa-5-methyl-8-fluoroformylnon

Details Process for alkyl perfluoro(4,7-dioxa-5-methyl-8-fluoroformylnon Process for alkyl perfluoro(4,7-dioxa-5-methyl-8-fluoroformylnon

1980-08-04

1982-08-17

Trousof, Natalie

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

C07C 67343

Patent

active

043450920

ABSTRACT:
Improved process for making an alkyl perfluoro(4,7-dioxa-5-methyl-8-fluoroformylnonanoate) from hexafluorpropylene oxide and either a monoalkyl difluoromalonyl fluoride or an alkyl perfloro(4-oxa-5-fluoroformylhexanoate) in the presence of fluoride ion catalyst which comprises carrying out the reaction in the presence of a medium consisting essentially of two aprotic liquids, one of the liquids in major proportion and being a poor solvent for methyl perfluoro(4-oxa-5-fluoroformylhexanoate), and the other liquid in minor proportion, being a good solvent for the same compound and being a solvent for the fluoride ion catalyst to the extent of at least 0.001% by weight at 20.degree. C. The product is an intermediate to a valuable fluorinated comonomer used for making fluorinated ion exchange resins.

REFERENCES:
patent: 3674820 (1972-07-01), Pittman et al.
patent: 4131740 (1978-12-01), England
patent: 4138426 (1979-02-01), England
patent: 4153804 (1979-05-01), Yamabe et al.

Affiliated with

Also associated with

Rating

Process for alkyl perfluoro(4,7-dioxa-5-methyl-8-fluoroformylnon does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for alkyl perfluoro(4,7-dioxa-5-methyl-8-fluoroformylnon, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for alkyl perfluoro(4,7-dioxa-5-methyl-8-fluoroformylnon will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-187775