| abstract |
PURPOSE: Title compounds of formula I [X is H, CL; Y is halogen, CN; Z 1 is H, methyl;Z 2 is H, lower alkyl; R is OR 1 (R 1 is H, salt-forming atom, etc.),-SR 2 (E 2 is lower alkyl, etc.), -NR 3 R 4 (R 3 , R 4 are H, etc.), etc.] ; for example, α- [2-bromo-5-(2-chloro-4-trifluoromethylphenoxy] propionic acid methly ester. n COPYRIGHT: (C)1977,JPO&Japio |