Urochordamines A and B: Larval settlement/metamorphosis-promoting, pteridine-containing physostigmine alkaloids from the tunicate Ciona savignyi

Urochordamines A and B: Larval settlement/metamorphosis-promoting, pteridine-containing physostigmine alkaloids from the tunicate Ciona savignyi Isolation of 2-(3‘-Bromo-4‘-hydroxyphenol)ethanamine from the New Zealand Ascidian <i>Cnemidocarpa bicornuta</i> Isolation of 2-(3‘-Bromo-4‘-hydroxyphenol)ethanamine from the New Zealand Ascidian <i>Cnemidocarpa bicornuta</i> Stellettadine A: a new acylated bisguanidinium alkaloid which induces larval metamorphosis in ascidians from a marine sponge Stelletta sp. Cynthichlorine: a bioactive alkaloid from the tunicate Cynthia savignyi Marine alkaloids. 2. Bromo alkaloids from a marine bryozoan Flustra foliacea. Isolation and structure elucidation 7-Bromo-1-ethyl-β-carboline, an Alkaloid from the New Zealand Marine Bryozoan Pterocella vesiculosa Three New Alkaloids from the Marine Tunicate <i>Cystodytes violatinctus</i> Saldedines A and B, Dibromo Proaporphine Alkaloids from a Madagascan Tunicate New physostigmine related bromoalkaloids from the marine bryozoan <i>Flustra</i><i>foliacea</i>