(-)-semivioxanthin, a new abscisic active compound against hinoki cypress [Chamaecyparis obtusa] leaves isolated from Cryptosporiopsis abietina

The new naphthopyrone, (-)-semivioxanthin (1) was isolated from Cryptosporiopsis abietina. The structure of 1 was determined as the reversed optical isomer of semivioxanthin by comparing its spectroscopic data with those of semivioxanthin. Compound 1 exhibited abscisic activity against Hinoki cypres...

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Veröffentlicht in:	Bioscience, biotechnology, and biochemistry biotechnology, and biochemistry, 2001-02, Vol.65 (2), p.484-486
Hauptverfasser:	Yada, H. (National Food Research Inst., Tsukuba, Ibaraki (Japan)), Sato, H, Toshima, H, Deura, M, Ichihara, A
Format:	Artikel
Sprache:	eng
Schlagworte:	3,4-dihydro-9,10-dihydroxy-7-methoxy-3-methyl-1-oxo-1H-naphtho[2,3-c]pyran Abscisic Acid - chemistry Abscisic Acid - isolation & purification Abscisic Acid - pharmacology abscisic activity against Hinoki cypress leaves Antifungal Agents - chemistry Antifungal Agents - isolation & purification Antifungal Agents - pharmacology Ascomycota - chemistry Ascomycota - pathogenicity Biological and medical sciences CHAMAECYPARIS OBTUSA CHEMICAL STRUCTURE Cladosporium - drug effects Cryptosporiopsis abietina Fundamental and applied biological sciences. Psychology Fungal plant pathogens LEAF FALL Magnetic Resonance Spectroscopy Molecular Structure Naphthols - chemistry Naphthols - isolation & purification Naphthols - pharmacology PATHOGENS Pathology, epidemiology, host-fungus relationships. Damages, economic importance Phytopathology. Animal pests. Plant and forest protection Plant Growth Regulators - chemistry Plant Growth Regulators - isolation & purification Plant Growth Regulators - pharmacology Pyrones - chemistry Pyrones - isolation & purification Pyrones - pharmacology semivioxanthin Trees - drug effects Trees - growth & development Trees - microbiology
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Beschreibung
Zusammenfassung:	The new naphthopyrone, (-)-semivioxanthin (1) was isolated from Cryptosporiopsis abietina. The structure of 1 was determined as the reversed optical isomer of semivioxanthin by comparing its spectroscopic data with those of semivioxanthin. Compound 1 exhibited abscisic activity against Hinoki cypress leaves and antifungal activity against Cladosporium herbarum.
ISSN:	0916-8451 1347-6947
DOI:	10.1271/bbb.65.484