FIELD: organic chemistry, chemical technology.
SUBSTANCE: invention describes a method for preparing 7,7-dichlorobicyclo[4,1,0]heptyl-2-phosphonic acid dichloroanhydride of the formula (1):
. Method for preparing 7,7-dichlorobicyclo[4,1,0]heptyl-2-phosphonic acid dichloroanhydride of the formula (1) involves interaction of dichlorobicyclo[4,1,0]heptane with phosphorus trichloride taken in the mole ratio = 1:2 in the presence of oxygen. Synthesized compound represents a valuable semi-finished product used in synthesis of organophosphorus substances.
EFFECT: improved preparing method, expanding assortment of organophosphorus compounds.
2 ex
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