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17α-ethynyl-17β-hydroxy-10α-estr-4-en-3-one

✍ Scribed by E. Farkas; D.J. O'Toole


Book ID
119481253
Publisher
Elsevier Science
Year
1971
Tongue
English
Weight
223 KB
Volume
17
Category
Article
ISSN
0039-128X

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17α-Ethynyl-17β-hydroxy­androsta-1,4-die
✍ Sheng, Liu-Qing ;Liang, Wan-Gen ;Chen, Gang ;Shen, Hua-Feng 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 259 KB

In the title molecule, C~21~H~26~O~2~, there are two C=C bonds [1.321 (4) and 1.334 (4) Å], which contribute to the planarity of ring __A__ along with the carbonyl group. Rings __B__ and __C__ have regular chair conformations, while ring __D__ has an envelope conformation. In the crystal structure,