Tomoeda, M <br/><br/>
The polyphosphoric acid-catalyzed ring opening of 4,5-epoxy-3-oxo steroids. IV. The synthesis of 17alpha-hydroxy-4-ethylthiopregn-4-ene-3,20-dione and its analogs.  [electronic resource] 

 -  Chemical & pharmaceutical bulletin  Jun 1967 
 - 887-92 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0009-2363 
<br/><br/><label>Standard No.: </label>10.1248/cpb.15.887  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pregnanes--chemical synthesis<br/>Spectrum Analysis