Reactions of 5,6,7,8-Tetrafluoro-4-hydroxycoumarin Derivatives with Benzylamine and Aniline. -The direction concerning the reaction of coumarins (I) and (IV) with amines (II) depends on the structure of the starting benzopyran and the nature of the solvent. -(SHCHERBAKOV, K. V.; BURGART, Y. V.; SALOUTIN*, V. I.; Russ.