DERIVATIVES OF BENZYLBIPHENYL, METHOD FOR THEIR PREPARING, BIOCIDE COMPOSITION, METHOD FOR ITS PREPARING AND METHOD FOR CONTROL OF MICROORGANISMS Russian patent published in 2003 - IPC

FIELD: organic chemistry. SUBSTANCE: invention relates to compounds of the formula (I) , their stereochemically isomeric forms, their salts prepared by addition of acid or base, their N-oxides, or their quaternary ammonium derivatives wherein dotted line represents optionally a bond; X is absent when dotted line represents a bond; or X represents hydrogen atom or hydroxy-group when dotted line is not a bond; each of R¹, R², R⁵, R⁶ is taken independently among hydrogen, halogen atom, hydroxy-group, C_1-4-alkyl, C_1-4-alkoxy-group, SO₃H and similar ones; R³ and R⁴ each is taken independently among hydrogen, halogen atom, hydroxy-group, C_1-4-alkyl, C_1-4-alkoxy-group, nitro-group, amino-group, cyano-group, trifluoromethyl group or trifluoromethoxy-group; represents radical of the formula (a-1), (a-2) , (a-3), (a-4) , (a-5) (a-6) , (a-7) (a-8) , (a-9) and (a-10) wherein A¹ represents direct bond or C_1-6-alkanediyl; A² represents C_2-6-alkanediyl; R⁷-R¹¹ represent hydrogen atom, C_1-6-alkyl, amino-C_1-6-alkyl and similar ones under condition that when L represents radical of the formula (a-9) then R¹¹ discerns from hydrogen atom. Compound of the formula (I) show biocide properties and can be used in agriculture. EFFECT: improved preparing method, valuable properties of compounds. 15 cl, 14 tbl