Carbamoyl-oxyalkyl-phosphinic acid derivatives

Details Carbamoyl-oxyalkyl-phosphinic acid derivatives Carbamoyl-oxyalkyl-phosphinic acid derivatives

1978-06-08

1979-11-06

Sutto, Anton H.

Chemistry of carbon compounds

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

106 1505, 260970, C07F 932, C09K 328

Patent

active

041736010

ABSTRACT:
Carbamoyl-oxyalkyl-phosphinic acid derivatives or mixtures thereof of the formula ##STR1## in which Z.sub.n is an n-valent, saturated C.sub.1 -C.sub.6 -hydrocarbon group, R.sub.1 is an optionally branched C.sub.1 -C.sub.6 -alkyl group, which group may be substituted by a halogen atom, or a phenyl group, R.sub.2 is an optionally branched C.sub.2 -C.sub.7 -alkylene group, a is zero to n-1 and n is an integer of from 1 to 4. These compounds can be prepared by reacting phosphonites of the formula II ##STR2## in the presence of radical-forming agents, with a carbamate of the formula III

REFERENCES:
patent: 2957931 (1960-10-01), Hamilton et al.

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