The present invention relates to a preparing method of 2-phenylalkanoic acid derivatives and more particluarly, to the preparing method of 2-phenylalkanoic acid derivatives expressed by formula (1) from 5,6-dihydro-2(4H)-benzofuranone as a starting material in the presence of a catalyst, organic acid alkali metal salt, in a mild condition, wherein R1 prepresents benzoyl, naphthoyl, nicotinoyl, furoyl or thenoyl group; and R2 prepresents a hydrogen atom or C1-C6 alkyl group.
本发明涉及一种制备2-苯基
脂肪酸衍
生物的方法,更具体地说,涉及一种在催化剂、有机酸碱
金属盐的存在下,在温和条件下,以5,6-二氢-2(4H)-
苯并呋喃酮为起始物质制备公式(1)所表示的2-苯基
脂肪酸衍
生物的方法,其中R1代表苯甲酰基、
萘甲酰基、烟酰基、
呋喃基或
硫酰基;R2代表氢原子或C1-C6烷基。