[EN] DERIVATIVES OF PARA-ETHOXY-PHENILLACTIC ACID<br/>[FR] DERIVES D'ACIDE PARA-ETHOXY-PHENILLACTIQUE
申请人:REDDY RESEARCH FOUNDATION
公开号:WO2003002508A1
公开(公告)日:2003-01-09
The present invention relates to novel antidiabetic compounds, their derivatives, their analogs, their polymorphs and pharmaceutically acceptable compositions containing them. More particularly, the present invention relates to novel 3-aryl-α-oxy substituted propanoic acids of the general formula (I), their derivatives, their analogs, their polymorphs and pharmaceutically acceptable compositions containing them where R1 represents hydroxy or a protecting group such as (C¿1?-C8)alkoxy-CH2-O-, mesylate, tosylate, triflate or halogen atom, R?2¿ represents hydrogen or (C¿1?-C6)alkyl group, R?3¿ represents hydrogen, (C¿1?-C6)alkyl, t-butyldimethyl silyl, trimethyl silyl or alkoxymethyl.