Phosphono-isocyano-acetates

Details Phosphono-isocyano-acetates Phosphono-isocyano-acetates

1977-04-28

1979-02-06

Sutto, Anton H.

Chemistry of carbon compounds

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

260327TH, 2603322R, 2603458R, 2603474, C07F 940

Patent

active

041384512

ABSTRACT:
Thioformamidophosphono-acetates are prepared by reacting an isocyano compound of the formula C.dbd.N--CH.sub.2 --X.sub.1 in the presence of a base with a compound of the formula R.sub.o --X.sub.2, in which compounds one of the groups X.sub.1 and X.sub.2 represents a protected carboxyl group of the formula --C(.dbd.O)--OR.sub.1 and the other a disubstituted phosphono group of the formula --P(.fwdarw.O) (OR).sub.2, and wherein R.sub.o represents a reactive etherified or esterified hydroxyl group, and adding hydrogen sulphide on to the isocyano group of the phosphono-isocyano-acetate formed as an intermediate.

REFERENCES:
patent: 3286000 (1966-11-01), Ugi et al.

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