Journal of Organic Chemistry p. 3941 - 3945 (1983)
Update date:2022-08-31
Topics:
Schmitz, Francis J.
Vanderah, David J.
Hollenbeak, Keith H.
Enwall, Carol E.L.
Gopichand, Yalamanchili
et al.
A new hydroxylated atisane, atisane-3β,16α-diol (5), has been isolated from the Caribbean sponge Tedania ignis, and its structure has been determined by single-crystal X-ray diffraction.The absolute configuration was assigned from circular dichroism data for the derived ketone 6.Also identified in the extracts were batyl and chimyl alcohol, the diketopiperazines cyclo-(L-Pro-L-Leu) (1), cyclo-(L-Pro-L-Val) (2), and cyclo-(Pro-Ala) (3), and epiloliolide (4).
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