Structure of calonysterone, an unusually modified phytoecdysone
Abstract
The structure of 2β,3β,6,20R, 22R,25-hexahydroxycholesta-5,8(9),14-trien-7-one (I) has been assigned to calonysterone, a phytoecdysone isolated from kaladana (I pomoea sp.), by 13C and 1H n.m.r. spectroscopy.
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CAL is a minor phytoecdysteroid and oxidized derivative of 20E, naturally occurring and isolated from kaladana seeds (Ipomoea hederacea), Vitex canescens, and Cyanotis arachnoidea.
“Calonysterone (CAL), a minor phytoecdysteroid and oxidized derivative of 20E, is regarded as a naturally occurring compound, having been isolated from kaladana seeds (Ipomoea hederacea) [16], Vitex canescens [17] and Cyanotis arachnoidea [18].”
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“Calonysterone (CAL), a minor phytoecdysteroid and oxidized derivative of 20E, is regarded as a naturally occurring compound, having been isolated from kaladana seeds ( Ipomoea hederacea ) [16], Vitex canescens [17] and Cyanotis arachnoidea [18].”
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Spectroscopic Techniques for the Characterization of Ecdysteroids
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- Authors
- Canonica, L., Danieli, B., Ferrari, G., Krepinsky, J., & Rainoldi, G.
- Venue
- Journal of the Chemical Society, Chemical Communications
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 1973
- Issue
- 19
- Pages
- 737
- ISSN
- 0022-4936 (ISSN-L)
- OpenAlex
- W2074113579
- Cited by
- 19
- References
- 1
- Citations by year
- 2026: 3 · 2022: 1 · 2018: 1 · 2015: 1 · 2012: 2
- FWCI
- 0.19
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Journal of the Chemical Society Chemical Communications (publishedVersion)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Phytochemical Studies and Bioactivities
- Physical Sciences › Materials Science › Biomaterials › Phytochemistry and Bioactive Compounds
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Steroid Chemistry and Biochemistry
- Keywords
- phytoecdysone, structure elucidation, Ipomoea, steroid structure, ecdysteroids
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