FIELD: chemistry.
SUBSTANCE: group of inventions relates to diphosphines, palladium catalyst based on them and method of ester synthesis with application of said catalyst, which can be used in chemical industry, with diphosphine having formula: 
, where R1, R2 = H, Alk, Ar, OR, excluding case R1, R2 = H. Method of ester synthesis is realised by mixing in solvent medium alkene, CO and alcohol with addition of said diphosphine and palladium.
EFFECT: increased degree of reagent conversion with reduction of consumption of expensive diphosphines for ester synthesis.
7 cl, 2 tbl, 16 ex
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