| abstract |
The present invention relates to a preparing method of 2-phenylalkanoic acid derivatives and more particularly, to the preparing method of 2-phenylalkanoic acid derivatives expressed by formula (1) from 5,6-dihydro-2(4H)-benzofuranon as a starting material in the presence of a catalyst, organic acid alkali metal salt, in a mild condition, wherein R1 represents benzoyl, naphthoyl, nicotinoyl, furoyl or thenoyl group; and R2 represents a hydrogen atom or C1 ∼ C6 alkyl group. |