HETEROCYCLIC BIOANTIOXIDANTS. 3. EFFECT OF A SUBSTITUENT ON THE RESULT OF THE REDUCTION OF 3-NITRO-4-HETERO-SUBSTITUTED COUMARINS WITH SODIUM HYDROSULFITE

Article abstract of DOI:10.1007/BF00529367

The effect of a heterosubstituent on the result of the reduction of 3-nitro-4-substituted coumarins with sodium hydrosulfite, which generally leads to a mixture of three compounds, viz., the product of the reduction of the nitro group to an amino group an