FIELD: chemistry.
SUBSTANCE: invention relates to method of obtaining 3-Z-[1-(4-(N-((4-methylpiperazin-1-yl)methylcarbonyl)-N-methylamino)-anilino)-1-phenylmethylene]-6-methoxycarbonyl-2-indolinone of formula 
including stage of reaction of compound of formula, 
, obtained by dechloroactilation of compound of formula 
catalysed by base, with compound of formula 
.
EFFECT: method makes it possible to increase output of 3-Z-[1-(4-(N-((4-methylpiperazin-1-yl)methylcarbonyl)-N-methylamino)-anilino)-1-phenylmethylene]-6-methoxycarbonyl-2-indolinone.
8 cl, 8 ex
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