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New oxidized zoanthamines from a Canary Islands Zoanthus sp.


ABSTRACT: Three new norzoanthamine-type alkaloids, named 2-hydroxy-11-ketonorzoan thamide B (1), norzoanthamide B (2) and 15-hydroxynorzoanthamine (3), were isolated from Zoanthus sp. specimens collected at the Canary Islands. Their structures were determined by interpretation of NMR and HR-ESIMS data. Relative configurations of their chiral centers were proposed on the basis of ROESY spectra and by comparison of their spectroscopic data with those of the well-known compound, norzoanthamine.

SUBMITTER: Cen-Pacheco F 

PROVIDER: S-EPMC4210893 | biostudies-other | 2014 Oct

REPOSITORIES: biostudies-other

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New oxidized zoanthamines from a Canary Islands Zoanthus sp.

Cen-Pacheco Francisco F   Martín Manuel Norte MN   Fernández José Javier JJ   Hernández Daranas Antonio A  

Marine drugs 20141014 10


Three new norzoanthamine-type alkaloids, named 2-hydroxy-11-ketonorzoan thamide B (1), norzoanthamide B (2) and 15-hydroxynorzoanthamine (3), were isolated from Zoanthus sp. specimens collected at the Canary Islands. Their structures were determined by interpretation of NMR and HR-ESIMS data. Relative configurations of their chiral centers were proposed on the basis of ROESY spectra and by comparison of their spectroscopic data with those of the well-known compound, norzoanthamine. ...[more]

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