7',9'-DIMETHYL-3'-ARYL-1'-SPIROINDENE-2,2'-PYRIDO3',2':4,5THIENO3,2-DPYRIMIDINE-1,3,4'(3'H)TRIONS, METHOD FOR SYNTHESIS AND APPLICATION THEREOF AS ANTIDOTES TO 2,4-D ON SUNFLOWER

摘要

FIELD: agriculture.;SUBSTANCE: present invention relates to compounds of 7',9'-dimethyl-3'-aryl-1'-spiro[indene-2,2'pyrido[3',2':4.5]thieno[3,2-d]pyrimidine]-1,3,4'(3'Н)trions by the formula:; ;wherein 1 Ar=2-methylphenyl; 2 Ar=2-methyl-5-chlorophenyl exhibiting antidote activity against 2,4-dichlorophenoxyacetic acid butyl ester. Also proposed is a method for synthesising and an application of the described compounds.;EFFECT: expansion of the range of biologically active substances applied in agriculture as antidotes.;3 cl, 1 tbl, 3 ex