COUMARINS FROM ORCINOL DERIVATIVES: CONDENSATION OF ORCACETOPHENONE MONOMETHYL ETHER WITH ETHYL ACETATE, ETHYL PROPIONATE AND ETHYL BUTYRATE, AND MOLECULAR REARRANGEMENT OF ORCACETOPHENONE DIACETATE AND DIBENZOATE, IN PRESENCE OF METALLIC SODIUM
Zenodo (CERN European Organization for Nuclear Research)