FIELD: organic chemistry, rubber industry. SUBSTANCE: product: sulfide-containing polycitracone imides and polytacone imides of the formula: Q1-D1-S-D2-(S-D3)2-Q2 where D1,D2,D3 - alkyl-C1-C5-phenyl being when r ≠ 0 D2 means simple bond: r = 0, 1-3; Q and Q2 mean independently: 
and 
where R1,R2,R3 - h or C1-C18. Reagent 1: citraconic anhydride which is heated with cysteamine and sodium acetate. Proposed compounds were used for rubber mixture vulcanization. EFFECT: improved method of synthesis. 4 cl, 15 tbl
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