1. The method of obtaining aqueous mixtures of O-acyl isethionates of the formula (I) and surfactants based on N-acyl amino acids of the formula (II), wherein the substituent R is selected from saturated or unsaturated C-C1-6 alkyl groups, the substituent R is selected from H, C- C 1-6 alkyl, R is selected from H or any groups present on the α-carbon atom of natural amino acids, R is selected from COOX, CHSOX, where X is selected from Li, Na or K, R is selected from H or methyl, and M is a cation selected from Na, K, NH or a quaternary ammonium cation derived from a tertiary amine, comprising the steps of: A) reacting the action of more than one equivalent of a fatty acid chloride with an alkali metal or ammonium hydroxyalkyl sulfonate to obtain a compound of formula (I) and B) the interaction of the product of stage (A) (containing the residue of a fatty acid chloride) with one or more amino acids in the presence of a base under typical conditions of the Schotten reaction - Bauman in an aqueous medium to obtain a compound of formula (II). 2. The method according to claim 1, where the temperature of the stage (A) is in the range from 50 to 70 ° C. 3. The method of claim 1, wherein the pH of the reaction mixture in step (B) is maintained in the range of 9 to 10.5.4. The method of claim 1, wherein the temperature of step (B) is less than 50 ° C. 5. The method of claim 1, wherein the amino acids are selected from natural α-amino acids and non-naturally occurring amino acids. The method of claim 5, wherein the naturally occurring α-amino acids are selected from the group consisting of glycine, alanine, valine, leucine, isoleucine, methionine, proline, cysteine, phenylalanine, tyrosine, tryptophan, arginine, lysine, histidine, aspartic acid, glutamic acid , serine, threonine, asparagine and glutamine. 7. The method of claim 5, wherein the non-naturally occurring amino acids are selected from the group consisting of amino acids,1. Способ получения водных смесей O-ацил-изе
