The Calyxolanes: New 1,3-Diphenylbutanoid Metabolites Isolated from the Caribbean Marine Sponge Calyx podatypa

Calyxolanes A (1) and B (2) are rare 1,3-diphenylbutanoid compounds isolated from the marine sponge Calyx podatypa collected in Puerto Rico. Their structures, including relative stereochemistry, have been determined by spectroscopic methods. The unique 2,4-diphenyloxolane function in 1 and 2 was est...

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Veröffentlicht in:	Journal of natural products (Washington, D.C.) D.C.), 1997-09, Vol.60 (9), p.915-917
Hauptverfasser:	Rodríguez, Abimael D, Cóbar, Oscar M, Padilla, Omayra L
Format:	Artikel
Sprache:	eng
Schlagworte:	ACIDE BUTYRIQUE ACIDO BUTIRICO Analytical, structural and metabolic biochemistry Animals Aromatic and heterocyclic compounds BIOCHEMICAL PATHWAYS Biological and medical sciences BIOSINTESIS BIOSYNTHESE BIOSYNTHESIS BUTYRIC ACID CHEMICAL COMPOSITION CHEMICAL REACTIONS CHEMICAL STRUCTURE CHEMISTRY CHIMIE COMPOSICION QUIMICA COMPOSITION CHIMIQUE DERIVATIVES EPONGE ESPECTROMETRIA ESPONJAS ESTRUCTURA QUIMICA Fundamental and applied biological sciences. Psychology Furans - isolation & purification Furans - pharmacology Gas Chromatography-Mass Spectrometry Heterocyclic compounds, pigments Magnetic Resonance Spectroscopy METABOLITE METABOLITES METABOLITOS Other biological molecules PARAZOA Porifera - chemistry PORTO RICO PUERTO RICO QUIMICA REACCIONES QUIMICAS REACTION CHIMIQUE SPECTRAL ANALYSIS SPECTROMETRIE SPECTROMETRY SPONGES STEREOCHEMISTRY Stereoisomerism STRUCTURE CHIMIQUE VIA BIOQUIMICA DEL METABOLISMO VOIE BIOCHIMIQUE DU METABOLISME
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Zusammenfassung:	Calyxolanes A (1) and B (2) are rare 1,3-diphenylbutanoid compounds isolated from the marine sponge Calyx podatypa collected in Puerto Rico. Their structures, including relative stereochemistry, have been determined by spectroscopic methods. The unique 2,4-diphenyloxolane function in 1 and 2 was established by 2D 1H−1H and 1H−13C NMR correlation experiments and confirmed by mass spectral analysis. A suggestion is made as to their biogenetic origin.
ISSN:	0163-3864 1520-6025
DOI:	10.1021/np970215v