TY  - RPRT
TI  - 3-Hydroxycoumarins: first direct preparation from coumarins using a Cu2(+)-ascorbic acid-O2 system, and their potent bioactivities.
AU  - K Aihara
AU  - T Higuchi
AU  - M Hirobe
PY  - 1990
DO  - 10.1016/0006-291x(90)91689-p
UR  - https://pubmed.ncbi.nlm.nih.gov/2183798/
ID  - 2183798
ER  -