Arbuzov reactions employing an aliphatic solvent

Details Arbuzov reactions employing an aliphatic solvent Arbuzov reactions employing an aliphatic solvent

1980-05-28

1982-01-19

Sutto, Anton H.

Chemistry of carbon compounds

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

260990, C07F 940

Patent

active

043116523

ABSTRACT:
An improved process for phosphite rearrangement wherein the phosphite is rearranged to the phosphonate. The improvement comprises conducting the phosphite rearrangement reaction in an aliphatic solvent which is miscible with the reactants at reaction temperatures, and immiscible with the product at lower temperatures. Increased yields of the phosphonate product are obtained without the need for additional distillation for solvent separation.

REFERENCES:
patent: 3483279 (1969-12-01), Davis et al.
patent: 3699193 (1972-10-01), Melton
patent: 3776984 (1973-12-01), Ratts

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