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Synthesis of 3-(2-Hydroxyaryl)-1-methyl-2-pyrazolin-5-ones from 4-Hydroxycoumarins and their Conversion to 2-Methyl-1-benzopyrano[4,3- c ]pyrazol-3(2 H )-one Derivatives
Chantegrel, Bernard, Gelin, SuzanneVolume:
1985
Year:
1985
Journal:
Synthesis
DOI:
10.1055/s-1985-31272
File:
PDF, 160 KB
1985