FIELD: organic chemistry. SUBSTANCE: method involves depolymerization of polyester which takes place in the presence of catalysts of ester interchange being used for mentioned above polyester and in the presence of ester. The process is followed by ester interchange of reaction mixture to prepare diester of terephthalic acid by interaction with monohydric alcohol. With the help of proposed method origin monomers for production of polyesters may be obtained quickly and at mild reaction conditions. EFFECT: improved efficiency of the method. 12 cl
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