Studies on indian medicinal plants-XLIV: Solanoforthine,a new steroidal alkaloid from solanum seaforthianum. a note on the mass spectrum of solanocapsine |
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| Authors: | Esahak Ali Ajit K. Chakravarty Satyesh C. Pakrashi Klaus Biemann Charles E. Hignite |
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| Affiliation: | Indian Institute of Experimental Medicine, Calcutta-700032, India;Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA 02139, U.S.A. |
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| Abstract: | The structure of solanoforthine, m.p. 208–10°, [α]D- 26.6°, a new steroidal alkaloid isolated from Solanum seaforthianum Andr., has been established as 3β-amino-22,26-epimino-16α,23-epoxy-22αH,25βH-cholest- 5- en -23β - ol 3, based on chemical and spectroscopic evidence and by its reduction to solanocapsine 2, another steroidal alkaloid encountered in the same species. The mass spectra of2 and 3 are discussed. |
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