FIELD: organic chemistry. SUBSTANCE: product: esters of tricyclic acids of the formula 
, at X - C6H4, 
, R1=R2 - -CH-(CH3)(C6H4CH3-n, 
, CH2CH(Y)R, at Y - Cl, R-C3H7, C4H9, Y - CN, R - C2H5, C3H7, C4H9,, CH(CH3)CH3, -CH2CH(CH3)CH3, *CH(CH3), C2H5-X at X - 
, R1=R2- - CH-(CH3)C6H13, 
, CH(CH3)C6H5, X - C6H4, 
, R1 - CH-(CH3)C6H5, R2- 
, R1- 
, R2-- 
, 
(CH3)CH3 (CH2HC(CN)CH2CH(CH3CH3. Reaction conditions: reagent 1 - S-2-chloroalkanol; reagent 2 - chloroanhydride of 4,4″-terphenyldicarboxylic acid, or 2,5-bis-(4-hydroxycarbophenyl)pyrimidine, or 4-(S)-1-methylheptylhydroxycarbonyl -4′-terphenylcarboxylic acid. Temperature is 20-60 C, in the presence of pyridine. EFFECT: improved method of synthesis. 2 tbl
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