Preparation of sodium fluoroalcoholates

Details Preparation of sodium fluoroalcoholates Preparation of sodium fluoroalcoholates

1993-02-25

1993-11-09

Mars, Howard T.

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

Organic compounds

Oxygen containing

C07C 2970, C07C 2900

Patent

active

052604942

ABSTRACT:
The sodium fluoroalcoholates are prepared under conditions resulting in neither reactant nor final product degradation, by (a) reacting, under reflux, the corresponding fluoroalcohols, e.g., the mono-, di- or trifluoroethanols, with sodium methanolate in the presence of a solvent having a boiling point higher than that of methanol and/or a solvent which forms an azeotrope with methanol, and (b) selectively trapping the methanol of reaction, e.g., in a molecular sieve, as it is released into the vapors which evolve upon refluxing the step (a) reaction mixture; the sodium fluoroalcoholates thus produced are well suited for direct reaction with polydichlorophosphazenes.

REFERENCES:
patent: 3418383 (1968-12-01), Lenz et al.
patent: 3702833 (1972-11-01), Rose et al.
patent: 4568779 (1986-02-01), Sulzer et al.
patent: 4593129 (1986-01-01), Wilson et al.

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