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Considering certain kinds of pharmacologic activity previously found in semicarbazide derivatives of a number of compounds we decided to synthesize molecules containing a semicarbazide or thiosemicarbazide moiety for subsequent pharmacological testing. For a start we combined the semicarbazide grouping with another potentially active component, the 4-hydroxycoumarin ring system.

zeitschrift für naturforschung b

3-Formyl-4-hydroxycoumarin Derivatives Syntheses of Semicarbazone, Phenylsemicarbazone, Hydrazino(oxazolin-4-one-2-yl) Hydrazone, Urea Derivatives, and their Sulfur Analogues