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Secoorthosiphols A–C: three highly oxygenated secoisopimarane-type diterpenes from Orthosiphon stamineus

✍ Scribed by Suresh Awale; Yasuhiro Tezuka; Seikichi Shimoji; Kazuhiko Taira; Shigetoshi Kadota

Publisher
Elsevier Science
Year
2002
Tongue
French
Weight
68 KB
Volume
43
Category
Article
ISSN
0040-4039

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✦ Synopsis

Three new highly oxygenated 2,3-secoisopimarane-type diterpenes, named secoorthosiphols A (1), B (2) and C (3), have been isolated as extremely minor constituents from the aerial parts of the Orthosiphon stamineus from Okinawa. A unique unprecedented structural feature of such a ring A opened system in newly isolated compounds was encountered for the first time in isopimarane-type diterpenes. Secoorthosiphol C (3) represents the first example of a biogenetically unique and unconventional secoisopimarane-type diterpene having a cyano group.

📜 SIMILAR VOLUMES

ChemInform Abstract: Secoorthosiphols A—
ChemInform Abstract: Secoorthosiphols A—C: Three Highly Oxygenated Secoisopimarane-Type Diterpenes from Orthosiphon stamineus.
✍ Suresh Awale; Yasuhiro Tezuka; Seikichi Shimoji; Kazuhiko Taira; Shigetoshi Kado 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 25 KB 👁 1 views

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