Process for the preparation of phosphoramidates

Details Process for the preparation of phosphoramidates Process for the preparation of phosphoramidates

1979-06-11

1980-10-21

Sutto, Anton H.

Chemistry of carbon compounds

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

260926, C07F 924

Patent

active

042293839

ABSTRACT:
There is provided a process for the preparation of a diphosphoramidate involving the reaction of a chlorophosphate with an alkali metal thiocyanate or ammonium thiocyanate in a water-immiscible solvent to form a cyanatidate, which is then reacted with an aqueous mixture of a phenylenediamine to yield said diphosphoramidate.

REFERENCES:
patent: 3275502 (1966-09-01), Price et al.
patent: 3845176 (1974-10-01), Weir
patent: 4076809 (1978-02-01), Weir et al.
patent: 4086336 (1978-04-01), Owen et al.

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