Process for preparing perfluoro-.alpha.-(3,6-dimethyl-1,4-dioxan

Details Process for preparing perfluoro-.alpha.-(3,6-dimethyl-1,4-dioxan Process for preparing perfluoro-.alpha.-(3,6-dimethyl-1,4-dioxan

1977-05-19

1978-10-03

Milestone, Norma S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603406, C07D31912

Patent

active

041183991

ABSTRACT:
By reacting an N-formylated secondary amine with hexafluoro epoxide in the presence of trisdimethyl amino difluorophosphorane or hexamethyl phosphoric acid triamide mixture can be obtained consisting of perfluoro-.alpha.-(3,6-dimethyl-1,4-dioxanyl-2-oxy)-propionic acid fluoride and perfluoro-2-oxo-3,6-dimethyl-1,4-dioxane.

REFERENCES:
patent: 3404162 (1968-10-01), Selman
patent: 3962279 (1976-06-01), England
patent: 4033984 (1977-07-01), Martini
patent: 4035388 (1977-07-01), Martini

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