Conformation of ring A in some 2β-hydrox
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K. Kuriyama; E. Kondo; K. Tori
📂
Article
📅
1963
🏛
Elsevier Science
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French
⚖ 282 KB
DJERASSI, et al. (1) have pointed out that the optical rotatory dispersion (ORD) curve in substituted-A 4 -3-ketosteroids reflects conformational distortions in the B-ring rather than in the A-ring. Their conclusion is based on the observation that 17@-acetoxyandrost-4-en-3-one and its 2,2-dimethyl