FIELD: organic chemistry, herbicides. SUBSTANCE: invention relates to new N- sulfonylglycinealkynyloxyphenethylamide derivatives of the formula (I): 
wherein n = 1; R1 means C1-C6-alkyl, C3-C6-cycloalkyl, C2-C6-alkenyl, C1-C6-haloidalkyl or group NR11R12 wherein R11 and R12 each of one another means hydrogen atom, C1-C6-alkyl; R2 means hydrogen atom; R3 means C1-C8-alkyl; R4,R5,R6,R7 have similar or different values and each independently of one another means hydrogen atom, C1-C4-alkyl; R8 means C1-C6-alkyl; A means C1-C6-alkylene; B means phenyl optionally substituted with 1-3 substituents that can be similar or different and taken among group including: C1-C8-alkyl, C1-C8-haloidalkyl, C1-C8-alkoxy-group, C1-C8-haloidalkoxy-group, C2-C8-alkanoyl, halogen atom, C1-C8-alkaoxycarbonyl, nitro-group; or naphthyl or thienyl. Compounds elicit herbicide activity for prevention and control of phytopathogenic microorganisms. EFFECT: valuable agriculture properties of compounds. 5 cl, 10 tbl, 6 ex
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