METHOD FOR OBTAINING PROPIONIC ACID DERIVATIVES Russian patent published in 2016 - IPC C07D413/12 C07F9/28 B01J31/22 

FIELD: chemistry.

SUBSTANCE: claimed invention relates to method for obtaining compound of formula or its salt by hydration of formula compound or its salt in presence of catalyst, including iridium and compound of formula , where R¹ represents alkyl, aryl or arylalkyl and R² represents aryl. Catalyst represents Ir(L¹)(L²)_nY, where L¹ represents compound of formula (X), L² represents cyclooctane, 1,5-cyclooctadiene, ethylene, 1,5-hexadiene or norbornadiene, Y represents chloride, iodide, bromide, fluoride, trifluoroacetate, tetrafluoroborate, tetrakis[3,5-bis(trifluoromethyl)phenyl]borate, tetraphenylborate, hexafluoroantimonate, hexafluorophosphate, triflate, mesylate, perchlorate, perbromate, periodate, nitrate, hydrosulphate or acetylacetonate, and n has values 1 or 2.

EFFECT: obtaining compound of formula (I) with high enatiomeric excess and high output.

7 cl, 4 tbl, 35 ex