Difenacoum, is also called 3-(3-biphenyl-4-yl-1,2,3,4-
tetrahydro-1-naphthyl)-4-hydroxycoumarin, consists of colorless crystals
which are insoluble in water, moderately to readily soluble
in acetone, chloroform, ethyl acetate, benzene.Difenacoum is synthesized by the condensation of 4-hydroxycoumarin and 3-biphenyl-4-yl-1,2,3,4-tetrahydro-1-naphthol (49).
