title: Halichondramine, a new tetracyclic bipiperidine alkaloid from the marine sponge Halichondria sp.
abstract: Halichondramine (1), a new tetracyclic alkylbipiperidine alkaloid, has been isolated from the marine sponge Halichondria sp., collected in the Dahlak archipelago (the Red Sea), Eritrea. The structure of halichondramine was elucidated by interpretation of MS, COSY, HMQC, HMBC, TOCSY, and HSQC-TOCSY data.
authors.affiliation: School of Chemistry, Tel Aviv University, Tel Aviv 69978, Israel.
authors.forename: Liat
authors.initials: L
authors.lastname: Chill
authors.forename: Tesfamariam
authors.initials: T
authors.lastname: Yosief
authors.forename: Yoel
authors.initials: Y
authors.lastname: Kashman
mesh_terms: D000470:Alkaloids / Q000737:chemistry / Q000302:isolation & purification*; D000818:Animals; D006576:Heterocyclic Compounds, 4 or More Rings / Q000737:chemistry / Q000302:isolation & purification*; D019156:Indian Ocean; D013058:Mass Spectrometry; D008968:Molecular Conformation; D015394:Molecular Structure; D019906:Nuclear Magnetic Resonance, Biomolecular; D010880:Piperidines / Q000737:chemistry / Q000302:isolation & purification*; D011161:Porifera / Q000737:chemistry*; D013237:Stereoisomerism
chemical_list: D000470:Alkaloids; D006576:Heterocyclic Compounds, 4 or More Rings; D010880:Piperidines; C471385:halichondramine