Production of 5,5-bis(halomethyl)-1,3,2-dioxa-phosphorinanes

Details Production of 5,5-bis(halomethyl)-1,3,2-dioxa-phosphorinanes Production of 5,5-bis(halomethyl)-1,3,2-dioxa-phosphorinanes

1975-12-01

1977-03-15

Raymond, Richard L.

Chemistry of carbon compounds

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

260937, C07F 909

Patent

active

040124665

ABSTRACT:
This invention relates to a process for the preparation of 5,5-bis(halomethyl)-1,3,2-dioxa-phosphorinanes from a dihaloneopentyl glycol and a phosphorous oxyhalide in the presence of a hydrogen chloride accepting reagent. These compounds are useful as flame retardants for polyesters.

REFERENCES:
patent: 3887655 (1975-06-01), Shim
patent: 3890409 (1975-06-01), Mayerhoefer et al.

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