Method for making 1,3,5,2,4,6-trioxatriphosphorinanes

Details Method for making 1,3,5,2,4,6-trioxatriphosphorinanes Method for making 1,3,5,2,4,6-trioxatriphosphorinanes

1983-11-07

1985-05-07

Sutto, Anton H.

Chemistry of carbon compounds

Dipeptides, e.g., aspartame, anserine, carnosine, etc.

260927R, C07F 915

Patent

active

045157332

ABSTRACT:
An improved process for preparing 2,4,6-tris(substituted phenoxy)-1,3,5,2,4,6-trioxatriphosphorinanes is realized when the appropriate substituted-phenylphosphorodichloridite is reacted with water in the presence of a trialkyl amine wherein the alkyl groups contain 4 to 8 carbon atoms in acetone as the sole solvent, to provide the desired 2,4,6-tris(substituted phenoxy)-1,3,5,2,4,6-trioxatriphosphorinanes in increased yields and of a higher purity.

REFERENCES:
patent: 4404150 (1983-09-01), Tsnekawa et al.
patent: 4473509 (1984-09-01), Grosse et al.

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