scholarly journals 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-17β-acetoxyandrost-4-en-3-one and its Analogs.

1965 ◽  
Vol 13 (7) ◽  
pp. 769-774 ◽  
Author(s):  
Munemitsu Tomoeda ◽  
Manabu Inzuka ◽  
Tetsuya Furuta ◽  
Toshitaka Koga
Keyword(s):  
Ring Opening ◽  
Polyphosphoric Acid ◽  
Acid Catalyzed

scholarly journals The Polyphosphoric Acid-Catalyzed Ring Opening of 4, 5-Epoxy-3-oxo Steroids : The Synthesis of 4-Alkylthio-4-en-3-oxo Steroids and their Analogs

1964 ◽  
Vol 12 (3) ◽  
pp. 383-385 ◽  
Author(s):  
Munemitsu Tomoeda ◽  
Masayuki Ishizaki ◽  
Harumi Kobayashi ◽  
Shoichi Kanatomo ◽  
Toshitaka Koga ◽  
...  
Keyword(s):  
Ring Opening ◽  
Polyphosphoric Acid ◽  
Acid Catalyzed
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