𝔖 Bobbio Scriptorium
✦   LIBER   ✦

3β-Acetoxy-5-hydroxy-15β,16β-methylene-5β-androst-6-en-17-one

✍ Scribed by Zhou, Wei ;Zhong, Guang-Xiang ;Hu, Wei-Xiao ;Xia, Chun-Nian

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

No coin nor oath required. For personal study only.

✦ Synopsis

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 bonding.

📜 SIMILAR VOLUMES

3β,5-Dihydroxy-15β,16β-methylene-5β-andr
3β,5-Dihydroxy-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 ⚖ 565 KB

In the title molecule, C 20 H 28 O 3 , ring A has a regular chair conformation, while ring C has a slightly distorted chair conformation. Ring B shows an asymmetric half-chair conformation and ring D is in an envelope conformation. Rings A and B are cis-fused, while rings B and C and rings C and D a

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,17β-Di­acetoxy-16-(2-pyridyl­methyl­e
3β,17β-Di­acetoxy-16-(2-pyridyl­methyl­ene)androst-5-ene hydrate (1/0.46)
✍ Vasuki, G. ;Parthasarathi, V. ;Ramamurthi, K. ;Dubey, S. ;Jindal, D. P. 📂 Article 📅 2002 🏛 International Union of Crystallography 🌐 English ⚖ 186 KB

In the title compound, C 29 H 37 NO 4 Á0.46H 2 O, rings A and C adopt chair conformations and ring B is in a half-chair conformation. The ®ve-membered ring D adopts an envelope conformation. The crystal structure is stabilized by weak intermolecular CÐHÁ Á ÁO interactions and van der Waals forces.

3β-Acetoxy-5α-chloro-6β-hydroxyandrostan
3β-Acetoxy-5α-chloro-6β-hydroxyandrostan-17-one
✍ Xia, Chun-Nian ;Li, Bi-Wen ;Hu, Wei-xiao ;Zhou, Wei 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 396 KB

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.