Guttiferic acid, a novel rearrangement product from minor chromenoxanthone pigments of Garcinia morella Desr

Morellic and isomorellic acids (2 and 3), present in the seed coat as well as resinous exudate of Garcinia morella Desr., are geometric isomers and structurally related to morellin (1), the major chromenoxanthone pigment. Both form crystalline complexes with pyridine and afford guttiferic acid (7),...

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Veröffentlicht in:	Magnetic resonance in chemistry 2007-07, Vol.45 (7), p.578-582
Hauptverfasser:	Rajagopal Rao, D., Gurudutt, K. N., Mamatha, S., Mohan Rao, L. J.
Format:	Artikel
Sprache:	eng
Schlagworte:	13C NMR 1H NMR 2D NMR Benzopyrans - chemistry chromenoxanthone Crystallization Garcinia - chemistry Garcinia morella guttiferic acid Hot Temperature Magnetic Resonance Spectroscopy Molecular Structure morellic and isomorellic acids NMR Plant Extracts - chemistry Pyridines - chemistry Xanthones - chemistry
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