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(R)-(+)-2,3-Methyl­enedi­oxy-8-oxoberbine

✍ Scribed by Gzella, Andrzej ;Chrzanowska, Maria ;Dreas, Agnieszka


Publisher
International Union of Crystallography
Year
2005
Tongue
English
Weight
147 KB
Volume
61
Category
Article
ISSN
1600-5368

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(S)-(–)-2,3-Methyl­enedi­oxy-8-oxoberbin
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(S)-(–)-2,3-Dimeth­oxy-8-oxoberbine
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(R*)-Methyl 3-carb­oxy-2-hydroxy­propano
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The crystal structure of the title compound, C 5 H 8 O 5 , was determined at 173 K. The compound is a monomethyl ester of butanedioic acid and was isolated from fresh cranberries (Vaccinium macrocarpon). The crystal structure is stabilized by intermolecular O-HÁ Á ÁO hydrogen bonds.

(1R*,5R*,7R*,8S*)-3-(3,4-Dihydroxy­benzo
✍ Ndjakou Lenta, Bruno ;Noungoue, Diderot Tchamo ;Devkota, Krishna Prasad ;Fokou, 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 304 KB

The title compound, C~38~H~50~O~6~, also known as guttiferone A, was isolated from the medicinal plant __Symphonia globulifera__. It is a benzophenone derivative where one aryl group is derivatized to give a bicyclic system which has two prenyl groups attached to the bridgehead. One of the cyclohexa