Novel Polycyclic Guanidine Alkaloids from Two Marine Sponges of the Genus Monanchora
JC Braekman, D Daloze, R Tavares… - Journal of natural …, 2000 - ACS Publications
JC Braekman, D Daloze, R Tavares, E Hajdu, RWM Van Soest
Journal of natural products, 2000•ACS PublicationsTwo marine sponges of the genus Monanchora (Poecilosclerida, Crambeidae) have been
found to contain new polycyclic guanidine alkaloids bearing the (5, 6, 8 b)-
triazaperhydroacenaphthylene skeleton. Their structures have been determined by detailed
spectroscopic analysis. Dehydrobatzelladine C (1) has been isolated from M. arbuscula and
crambescidins 359 (2) and 431 (3) from M. unguiculata. The chemotaxonomic implications
of these findings are discussed.
found to contain new polycyclic guanidine alkaloids bearing the (5, 6, 8 b)-
triazaperhydroacenaphthylene skeleton. Their structures have been determined by detailed
spectroscopic analysis. Dehydrobatzelladine C (1) has been isolated from M. arbuscula and
crambescidins 359 (2) and 431 (3) from M. unguiculata. The chemotaxonomic implications
of these findings are discussed.
Two marine sponges of the genus Monanchora (Poecilosclerida, Crambeidae) have been found to contain new polycyclic guanidine alkaloids bearing the (5,6,8b)-triazaperhydroacenaphthylene skeleton. Their structures have been determined by detailed spectroscopic analysis. Dehydrobatzelladine C (1) has been isolated from M. arbuscula and crambescidins 359 (2) and 431 (3) from M. unguiculata. The chemotaxonomic implications of these findings are discussed.
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