Process for the preparation of bromoaroxyl-alkyl-(.beta.-chloroa

Details Process for the preparation of bromoaroxyl-alkyl-(.beta.-chloroa Process for the preparation of bromoaroxyl-alkyl-(.beta.-chloroa

1977-11-14

1979-03-13

Sutto, Anton H.

Chemistry of carbon compounds

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

260951, C07F 909

Patent

active

041442911

ABSTRACT:
Process for the preparation of phosphates of the formula ##STR1## wherein R represents hydrogen, alkoxy or alkyl having 1 to 8 C atoms, perfluoroalkyl having 1 to 8 C atoms, or halogen, a is 0.05 to 3.0, b is 0, 1, 2 or 3 and c is 1 or 2, by brominating the corresponding aroxyalkyl-(.beta.-chloroalkyl) phosphates, characterized in that aroxyalkyl-(.beta.-chloroalkyl) phosphates are reacted at temperatures between about -10.degree. and 80.degree. C. with an approximately equimolar mixture of bromine and chlorine, especially bromine chloride.

REFERENCES:
schulek et al., "Talanta," vol. 1 (1958), pp. 224-237.

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