Chemistry of Natural Compounds p. 626 - 629 (1985)
Update date:2022-08-11
Topics:
Kuznetsova, T. A.
Kalinovskaya, N. I.
Kalinovskii, A. I.
Elyakov, G. B.
The structure of the previously unknown synaptogenin B, the main product of the acid hydrolysis of the triterpene oligosides synaptosides S-2 and S-3 from the holothurian Synapta maculata has been astablished.To prove the structure, diketones were obtained from synaptogenin B and the known stichopogenin, and their identity was shown on the basis of 1H NMR and mass spectra: Synaptogenin B is a 3β-hyrdoxyholost-9(11)-en-23-one.It has been shown that holost-9(11)-en-3β-ol is formed as minor component in the acid hydrolysis of the synaptosides.
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