| abstract |
PROCESS FOR PREPARATION OF NEW PHOSPHORIC ACID MONOESTER SALTS OF GENERAL FORMULA (I) in which R1 denotes methyl or ethyl group, R2 denotes 3-isononyloxypropyl, 3-ethoxypropyl, 3-methoxypropyl, 3-butyloxypropyl, furfuryl, 1-methopentyl phenoxyethyl, 3,4-dichlorophenyl, 2-benzimidazolyl, 2-aminophenyl, tetradecyl, hexadecyl or octadecyl group, R3 and R4 represent hydrogen, characterized in that the compound of general formula (II) in which R1 has the above meaning reacts with the compound of general formula (III) in which R 2, R 3 and R 4 have the meanings given above, in a mixture of water and methyl alcohol or ethyl alcohol, at a temperature of from 0 to 150 V ° C, and more preferably from + 20 V ° C to 110 V ° C. |