𝔖 Bobbio Scriptorium
✦   LIBER   ✦

3β-Acetoxy-5α-chloro-6β-hydroxyandrostan-17-one

✍ Scribed by Xia, Chun-Nian ;Li, Bi-Wen ;Hu, Wei-xiao ;Zhou, Wei

Publisher
International Union of Crystallography
Year
2007
Tongue
English
Weight
396 KB
Volume
63
Category
Article
ISSN
1600-5368

No coin nor oath required. For personal study only.

✦ Synopsis

The title compound, C 21 H 31 ClO 4 , crystallizes with two molecules in the asymmetric unit. Rings A, B and C have chair conformations, while ring D has an envelope form. The crystal packing shows that the molecules are connected by intermolecular O-HÁ Á ÁO hydrogen bonds.

📜 SIMILAR VOLUMES

3β-Acet­oxy-6α-chloro-5β-hydroxy­androst
3β-Acet­oxy-6α-chloro-5β-hydroxy­androstan-17-one
✍ Xia, Chun-Nian ;Hu, Wei-Xiao ;Zhou, Wei ;Li, Bi-Wen 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 228 KB

In the title molecule, C~21~H~31~ClO~4~, rings __A__, __B__ and __C__ have regular chair conformations, while ring __D__ has an envelope form. In the crystal structure, weak intermolecular C—H...O hydrogen bonds link the molecules into zigzag chains running along the __b__ axis.

3β-Acet­oxy-7α-chloro-5,6β-ep­oxy-15β,16
3β-Acet­oxy-7α-chloro-5,6β-ep­oxy-15β,16β-methyl­ene-5β-androstan-17-one
✍ Zhou, Wei ;Hu, Wei-Xiao ;Xia, Chun-Nian 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 103 KB

In the title molecule, C 22 H 29 ClO 4 , all bond lengths and angles show normal values. Rings A and C have slightly distorted chair conformations, while rings B and D show envelope conformations. Weak intermolecular C-HÁ Á ÁO hydrogen bonds link the molecules into chains running along the b axis.

3β-Acetoxy-5-hydroxy-15β,16β-methylene-5
3β-Acetoxy-5-hydroxy-15β,16β-methylene-5β-androst-6-en-17-one
✍ Zhou, Wei ;Zhong, Guang-Xiang ;Hu, Wei-Xiao ;Xia, Chun-Nian 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 354 KB

In the crystal structure of the title compound, C 22 H 30 O 4 , rings A and C have slightly distorted chair conformations, ring B shows an approximate symmetric half-chair conformation and ring D is in an envelope conformation. The molecules are connected by weak intermolecular C-HÁ Á ÁO hydrogen bo

6α-Acetoxy­vouacapan-7β,17β-lactone
6α-Acetoxy­vouacapan-7β,17β-lactone
✍ Rodrigues, Luciano Pereira ;Rubinger, Mayura M. M. ;Piló-Veloso, Dorila ;Malta, 📂 Article 📅 2004 🏛 International Union of Crystallography 🌐 English ⚖ 173 KB

The structure of the title compound, C 22 H 28 O 5 , which is a natural furan diterpene, has been determined. The crystal structure is stabilized by CÐHÁ Á ÁO intermolecular interactions.