Organic Letters 2007-Oct
Chamobtusin A, a novel skeleton diterpenoid alkaloid from Chamaecyparis obtusa cv. tetragon.
Nur registrierte Benutzer können Artikel übersetzen
Einloggen Anmelden
Der Link wird in der Zwischenablage gespeichert
Schlüsselwörter
Abstrakt
The novel diterpenoid alkaloid chamobtusin A (1) was isolated from the branches and leaves of Chamaecyparis obtusa cv. tetragon. Its structure and relative stereochemistry were mainly determined by MS, 2D NMR, and X-ray methods. The methanol extracts, total alkaloids of C. obtusa cv. tetragon, and chamobtusin A were tested for their cytotoxicities against A549 and K562 human tumor cell lines.