FIELD: chemistry of aromatic aminoalcohol derivatives as intermediate compounds. SUBSTANCE: product: thiazplidine-2,4- -dione of formula 
, where R7 is hydrogen or acetyl. Compound is prepared by reacting n-hydroxybenzaldehyde with thiazolidin-2,4-dione. Resulting 5-(4-acetoxybenzilidene)- -thiazolidin-2,4-dione is hydrogeneted to 5-(4-acetoxybelzyl) thiazolidin-2,4-dione which is reacted with triphenylmethyl chloride and converted into desired compound. EFFECT: higher efficiency. 6 cl
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