Starfish saponins. Part 101. Further 24-O-glycosidated steroids from the starfishHacelia attenuata |
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Authors: | L. Minale C. Pizza R. Riccio F. Zollo |
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Affiliation: | (1) Istituto di Chimica Biorganica, Università, Via L. Rodinò 22, I-80138 Napoli, Italy;(2) Present address: Istituto per la Chimica M.I.B. del C.N.R., Via Toiano 2, Arco Felice, Napoli, Italy |
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Abstract: | Summary On the basis of comparative spectral data, the structures of 3 novel steroidal glycosides from the Mediterranean starfishHacelia attenuata have been elucidated as3, 4 and5. These are further examples of a novel group of 24-O-glycosidated steroids recently encountered in the same species and in the Pacific speciesProtoreaster nodosus.Part 9. L. Minale, C. Pizza, R. Riccio and F. Zollo, Experientia39 (1983) 567. This contribution is part of the Progetto Finalizzato Chimica fine e secondaria del C.N.R., Roma.Acknowledgments. We thank Prof. K. Nakanishi, Columbia University, New York, for FD-mass spectral analyses, the Centro Interfacoltà di Metodologie Chimico-Fisiche for 270 MHz NMR facilities, and Miss R. Aquino for part of the experimental work. |
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