| 摘要 |
The invention relates to .alpha.-oxygenated or .alpha.-thiolated carboxylic acid phenethylamide derivatives of general formula (I) including the optical isomers thereof and mixtures of such isomers, wherein A stands for optionall y substituted aryl or optionally substituted heteroaryl; X is oxygen or sulfur ; Y is oxygen or sulfur; R1, is hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, haloalkyl, haloalkenyl, haloalkynyl or halocycloalkyl; R2 is hydrogen, alkyl , alkenyl, alkynyl, cycloalkyl, cycloalkylalkyl, alkoxy-alkyl, alkoxy-alkenyl, alkoxy-alkynyl, whereof all alkyl- alkenyl-, alkynyl-, or cycloalkyl-groups may be optionally substituted by halogen; or optionally substituted arylalky l, optionally substituted aryl-alkenyl, optionally substituted aryl-alkynyl or optionally substituted aryloxy-alkyl; R3 is hydrogen, alkyl, alkenyl, alkyny l, cycloalkyl, cycloalkyl-alkyl, alkoxy-alkyl, alkoxy-alkenyl, alkoxy-alkynyl, whereof all alkyl- alkenyl-, alkynyl-, or cycloalkyl-groups may be optionall y substituted by halogen; or is optionally substituted aryl-alkyl, optionally substituted aryl-alkenyl, optionally substituted aryl-alkynyl, optionally substituted aryloxy-alkyl, optionally substituted heteroaryl-alkyl, optional ly substituted heteroaryl-alkenyl or optionally substituted heteroaryl-alkynyl; R4 is alkyl, alkenyl, alkynyl, alkoxy-alkyl, alkoxy, alkenyloxy, alkenyloxy, alkylthio, alkanoyl, alkylamino, dialkylamino, alkoxycarbonyl, whereof all alkyl- alkenyl or alkynyl-groups may be optionally substituted by halogen; o r is halogen, cyano, nitro, amino, formyl or carboxyl; R5 is hydrogen, alkyl, alkenyl or alkynyl; n is an integer 0,1, 2, 3, or 4; B, represents a bridge member -CR10R11-, wherein R10 and R11 independently of each other are hydrog en or alkyl; and B2 is an alkylene bridge. These compounds possess useful plant protecting properties and may advantageously be employed in agricultural practice for controlling or preventing the infestation of plants by phytopathogenic microorganisms, especially fungi.
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