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Polycyclic amine alkaloids

Polycyclic amine alkaloids (3-alkylpiperidine alkaloids) containing a complex skeleton with several macrocyclic rings have been isolated from marine sponges. They include manzamines, sarains, haliclamine A and ingenamines. Their structures, synthesis and biochemical aspects have been recently reviewed [35]. Our focus, therefore, is on the biogenetic origin of the bis-pyridinium macrocycle and on the role of precursors in their biosynthesis, as summarized in the retrosynthetic analysis for manzamines demonstrated schematically in Fig.(23). [Pg.369]

POLYCYCLIC AMINE ALKALOIDS (3-ALKYLPIPERIDBVE ALKALOIDS) - NOVEL MARINE BIOACTIVE COMPOUNDS STRUCTURE, SYNTHESIS AND BIOCHEMICAL ASPECTS... [Pg.573]

POLYCYCLIC AMINE ALKALOIDS GENERAL STRUCTURE AND CHEMICAL PROPERTIES... [Pg.575]

Fig (2). Typical 500 MHz HNMR spectra of some polycyclic amine alkaloids. [Pg.582]

Fig (7). Biosynthesis pathway for the polycyclic amine alkaloids (3-Alkylpiperidine alkaloids). [Pg.670]

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See also in sourсe #XX -- [ Pg.24 ]



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