| abstract |
Procedure for the preparation of new derivatives of pyridyloxy-phenoxy-alkanecarboxylic acids, of the general formula (I) **(Formula)** in which A means the cyano group, a radical -COB or a radical, optionally substituted one or several times by methyl, of 2-oxazoline, B is a radical -OH3, -SR4 or -NH5R6, C is each time hydrogen, halogen, C1-C4 alkyl or nitro, D is each time hydrogen, the same as C, C1-C4 alkoxy, C1-C4 alkylthio, cyano, C1-C4 sulfinylalkyl, D1-C4 sulfonyl-alkyl, thiocarbamide (-CSNH2), C1-C4 mono- or di-sulfamoylalkyl, E is the same as C, mono- or di-C1-C4 alkylamine, C1-C4 alkoxy, C1-C5 carbonylalkoxy, C2-C8 alkoxyalkyl, cyano or trifluoromethyl. |