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(3S,5R,8R,9R,10R,13S,14R,17S)-Methyl 3β-acetoxy-17β-chloro-18-oxo-19,20,21,22,29,30-hexanorlupan-28-oate

✍ Scribed by Císařová, Ivana ;Kvasnica, Miroslav ;Sarek, Jan

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

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✦ Synopsis

In the title compound, C 27 H 41 ClO 5 , all rings adopt chair conformations, giving the molecule the shape of a bow. In the crystal structure, the Cl atom is not involved in intermolecular interactions, as the packing is governed by C OÁ Á ÁH-C hydrogen bonds.

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📜 SIMILAR VOLUMES

(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