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NMR Studies of Alkaloids. Assignment of the Configuration at C(20) in Tubotaiwine (Dihydrocondylocarpine)

โœ Scribed by Mauri Lounasmaa; Ari Koskinen; John O'Connell

Book ID
102256142
Publisher
John Wiley and Sons
Year
1986
Tongue
German
Weight
285 KB
Volume
69
Category
Article
ISSN
0018-019X

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โœฆ Synopsis

Two-dimensional, high-field NMR methods are employed in confirming the relative configuration at the C(20) ethyl side-chain junction as S + in the natural alkaloid tubotaiwine (dihydrocondylocarpine).

๐Ÿ“œ SIMILAR VOLUMES

The Configuration of Naturally Occurring
The Configuration of Naturally Occurring Iridoid Glucosides at C(6) and C(8): A Complementary Assignment Aid by 13C-NMR. Spectroscopy
โœ Ratan K. Chaudhuri; Fatma รœ. Afifi-Yazar; Otto Sticher ๐Ÿ“‚ Article ๐Ÿ“… 1979 ๐Ÿ› John Wiley and Sons ๐ŸŒ German โš– 144 KB

## Abstract Evidence is presented which demonstrates that ^13^Cโ€NMR. spectroscopy can be used with confidence in evaluating the configuration of R^1^R^2^CHOH centers at C(6) and C(8) of iridoid glucosides.