𝔖 Bobbio Scriptorium
✦   LIBER   ✦

1α,6,11β,15β-Tetra­acet­oxy-6,7-seco-7,20-olide-ent-kaur-16-ene

✍ Scribed by He, Zhi-An ;Ma, Xing-Ke ;Zhang, Ji-Xia ;Bai, Su-Ping

Publisher
International Union of Crystallography
Year
2006
Tongue
English
Weight
201 KB
Volume
62
Category
Article
ISSN
1600-5368

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

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.

(5R,6S,8S,9R,14R,15R,17R,18S,21S,24R,26S
(5R,6S,8S,9R,14R,15R,17R,18S,21S,24R,26S,27R)-5α-Chloro-16,24-cyclo-13,14-secoergost-2-ene-18,26-dioic acid-14:17,14:27-diep­oxy-6β,13,20,22-tetra­hydr­oxy-1,15-dioxo-γ-lactone δ-lactone methanol solvate monohydrate
✍ Choudhary, M. Iqbal ;Yousuf, Sammer ;Atta-ur-Rahman, ;Anjum, Shazia ;Fun, Hoong 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 308 KB

The title compound, C 28 H 27 O 10 ClÁCH 3 OHÁH 2 O, was isolated from Physalis minima. The rigid molecule consists of eight fused rings involving three lactones. The spiro-fused -lactone rings are in half-chair and envelope conformations. The spirofused -lactone rings are fused to a cyclohexene rin