The naiuml product silymarin (silybin) C25H220,0 (1,2) was isolated from the fruik of Silybum marianum Gaertn. seveml years ago. The structure of silymarin, a antihepatataxic agent (3), has been under investigation by seveml workers, and fwo groups hove proposed structures for this substan.ce.
β¦ LIBER β¦
Trimethyltin(IV) naphthoates: X-ray structure of the 2-isomer
β Scribed by Michael J. Begley; D.Bryan Sowerby; Pratibha Kapoor; Ramesh Kapoor
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 284 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0277-5387
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## Abstract The crystal structure of the Sb~2~F~11~ salt of the 2βphenyladamantβ2βyl cation, 1 Β· Sb~2~F~11~, was determined at 183 K (__P__2~1~/__c__, __R__1 = 0.0652, Ο(Cο£ΏC) = 0.02 Γ ), because earlier published results indicated a charge delocalization from the cationic C(2) into the Ο framework (