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A furodysinin lactone derivative from the marine sponge Dysidea fragilis

โœ Scribed by Ravikumar, K. ;Selvanayagam, S. ;Goud, T. Venkateshwar ;Krishnaiah, P. ;Venkateswarlu, Y.


Publisher
International Union of Crystallography
Year
2003
Tongue
English
Weight
233 KB
Volume
60
Category
Article
ISSN
1600-5368

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โœฆ Synopsis


Single-crystal X-ray study T = 293 K Mean '(CยฑC) = 0.003 A รŠ R factor = 0.040 wR factor = 0.104 Data-to-parameter ratio = 11.0 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.


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Dysibetaine: a new ฮฑ,ฮฑ-disubstituted ฮฑ-a
โœ Ryuichi Sakai; Chie Oiwa; Kojiroh Takaishi; Hisao Kamiya; Michito Tagawa ๐Ÿ“‚ Article ๐Ÿ“… 1999 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 209 KB

A new ct,o~-disubstituted ct-amino acid derivative, dysibetaine (1), was isolated from an aqueous extract of the marine sponge Dysidea herbacea collected in Yap, Micronesia. The structure of 1, (2R\*,4R\*)-2-(trimethylammonium)methyl-4-hydroxy-5-oxoprolinate, was determined by spectral methods and X