Journal of natural products

Pyrrolizidine alkaloids from Onosma erecta

H Damianakos, G Sotiroudis…

Index: Poje, M.; Sokolic-Maravic, Lea Tetrahedron, 1986 , vol. 42, # 2 p. 747 - 752

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Citation Number: 8

Abstract

... Volume: Page: ... 4′and H 3 -6′/H-5′/H 3 -7′, as well as by HMBC correlations of C-1′ to H-3′, H-5′; C-2′ to H ... The structural formula corresponds to the molecular formula C 17 H 27 NO 7 with a molecular mass of 357.4, as confirmed by the m/z 358.4072 ...