Gabant, M, Schmitz-Afonso, I., Gallard, J.F., Menou, J.L., Laurent, D., Debitus, C., and Al-Mourabit, A. 2009. Sulfated steroids: ptilosteroids A–C and ptilosaponosides A and B from the Solomon Island marine sponge Ptilocaulis spiculifer. J. Nat. Prod. 72:760-763. |
|
Yang, S.W., Chan, T.M., Pomponi, S.A., Chen, G., Wright, A.E., and Patel, M. 2003. A new bicyclic guanidine alkaloid, Sch 575948, from a marine sponge, Ptilocaulis spiculifer. J. Antibiot. 56:970-972. |
|
Rudi, A., Yosief, T., Schleyer, M., and Kashman, Y. 1999a. Several new isoprenoids from two marine sponges of the family Axinellidae. Tetrahedron. 55:5555-5566. |
|
Rudi, A., Stein, Z., Goldberg, I., Yosief, T., Kashman, Y., and Schleyer, M. 1998a. Yardenone and abudinol two new triterpenes from the marine sponge Ptilocaulis spiculifer. Tetrahedron Lett. 39:1445-1448. |
|
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. |
|
Kashman, Y., Hirsch, S., McConnell, O.J., Ohtani, I., Kusumi, T., and Kakisawa, H. 1989. Ptilomycalin A: a novel polycyclic guanidine alkaloid of marine origin. J. Am. Chem. Soc. 111:8925-8926. |
|