Ptilocaulis spiculifer

The Senegalese sponge Ptilocaulis spiculifer has been shown to contain dakaramine (487), a tyrosine derivative containing iodine and an alkyl sulfate (488) as a counterion of dakaramine [416]. 

Diop M, Samb A, Costantino V, Fattorusso E, Mangoni A (1996) A New Iodinated Metabolite and a New Alkyl Sulfate from the Senegalese Sponge Ptilocaulis spiculifer. J Nat Prod 59 271... 

Ptilomycalin A Ptilocaulis Spiculifer Ptilocaulis / Hemimycale sp. Inhibitor of Na, K -, or Ca - ATPase Cytotoxic, antifungal, antimicrobial, and antiviral activities... 

Ptilomycalin A (96) is a novel polycyclic guanidine alkaloid isolated from the sponge Ptilocaulis spiculifer (31). It is highly cytotoxic, antifungal, and antiviral. The related alkaloids were reported from the Mediterranean sponge Crambe crambe that also contains other types of guanidine alkaloids such as... 

Guanidine metabolites of Ptilocaulis spiculifer and related compounds (marine alkaloids with tricyclic guanidine fragment) isolation and synthesis 00CSR57. 

A series of complex pentacyclic guanidines linked by a linear m-hydroxy fatty acid to a spermidine or hydroxy spermidine unit have been reported from the sponges Ptilocaulis spiculifer (41), Hemimycale sp. (42), Cramhe crambe... 

Sponge, Agelas coniferin A. cf. mauritiana Sponge, Mycale sp. Sponge, Theonetta sp. Sponges, Ptilocaulis spiculifer Hemimycale sp. 

Diop, M., Samb, A., Costantino, V, Fattorusso, E., and Mangoni, A. (1996) A new iodinated metabolite and a new alkyl sulfate from the Senegalese sponge Ptilocaulis spiculifer. J. Nat. Prod., 59, 271-272. 

Heys, L, Moore, C.G., and Murphy, P.J. (2000) The guanidine metabolites of Ptilocaulis spiculifer and related compounds isolation and synthesis. Chem. Soc. Rev., 29, 57-67. 

Ptilocaulin owes its name to the species Ptilocaulis spiculifer, from which it was isolated for the first time in 1981, with isoptilocaulin (see Figure 19.94 and Harbour et al., 1981). 

Gabant, M., Schmitz-Afonso, 1., Galard, J.-F., Menou, J.-L., Lament, D Debitus, C and Al-Mourabit, A. (2009a) Sulfated steroids Ptilosteroids A-C and ptilosaponosides A and B from the Solomon marine sponge Ptilocaulis spiculifer. J. Nat. Prod., 72, 760-763. 

Rudi, A., Stein, Z., Goldberg, 1., Yosief T, Kashman, Y, and Schleyer, M. (1998) Yardenone and abudinol, two new triterpenes from the marine sponge Ptilocaulis spiculifer. Tetrahedron Lett., 39, 1445-1448. 

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