Table 10.
Enantiomeric manzamine alkaloids.
| Manzamine | Species | Biological Activity |
|---|---|---|
![]() (+)-8-hydroxymanzamine A |
Indonesian sponge Pachypellina sp.,[187] Okinawan sponge Xestospongia sp.,[188] Okinawan sponge Amphimedon sp.[188] | Anticancer[183] |
| (−)-8-hydroxymanzamine A | Unidentified Indo-Pacific sponge (family Petrosiidae, order Haplosclerida)[189] | Anticancer,[183] Antimalarial[183] |
![]() (+)-manzamine F |
Xestospongia sp.[190] | Antimicrobial,[183] Anticancer[183] |
| (−)-manzamine F | Unidentified Indo-Pacific sponge (family Petrosiidae, order Haplosclerida)[189] | Activity against Mycobacterium tuberculosis[183] |
![]() (±) keramaphidin B |
Amphimedon sp.,[191] Xestospongia ingens [optically active, [α]D +29.8° (c 1.1; MeOH)][192] | Anticancer[183] |


