Studies on conformation and reactivity. II. The polyphosphoric acid-catalyzed ring opening of 4,5-Epoxy-3-oxo steroids. 2. The synthesis of 4-ethylthio-17-beta-acetoxyandrost-4-en-3-one and its analogs.
D002384:Catalysis; D010710:Phosphates; D013256:Steroids
D010710:Phosphates; D013256:Steroids