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Studies on the Constituents of the Leaves ofTinospora tuberculata, II. Isolation and Structure Elucidation of Four New Furanoid Diterpenes, Tinotufolin C–F

✍ Scribed by Fukuda, Naomichi ;Yonemitsu, Michiko ;Kimura, Takeatsu ;Isobe, Ryuichi ;Komori, Tetsuya


Publisher
John Wiley and Sons
Year
1994
Tongue
English
Weight
300 KB
Volume
1994
Category
Article
ISSN
0947-3440

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✦ Synopsis


Abstract

Four new furanoid diterpenes, named tinotufolin C (1), D (2), E (3), and F (4), were isolated from the fresh leaves of Tinospora tuberculata Beumée (Menispermaceae). The structures of 1–5 were elucidated by chemical and spectroscopic methods. magnified image


📜 SIMILAR VOLUMES


Studies on the Constituents of the Leave
✍ Fukuda, Naomichi ;Nakamura, Motoyuki ;Yonemitsu, Michiko ;Kimura, Takeatsu ;Isob 📂 Article 📅 1993 🏛 John Wiley and Sons 🌐 English ⚖ 225 KB

## Abstract Two new furanoid diterpenes, tinotufolin A (1) and B (2) were isolated from the fresh leaves of __Tinospora tuberculata__ Beumée (Menispermaceae). The structures of 1 and 2 were elucidated on the basis of chemical and spectroscopic findings.

Studies on the constituents of the stems
✍ Fukuda, Naomichi ;Yonemitsu, Michiko ;Kimura, Takeatsu 📂 Article 📅 1995 🏛 John Wiley and Sons 🌐 English ⚖ 203 KB

## Abstract The new diterpene glucoside borapetoside H (1) was isolated from the fresh stems of __Tinospora tuberculata__ Beumée (Menispermaceae). Its structure as 2‐__O__‐β‐D‐glucopyranosylborapetoside B was elucidated on the basis of chemical and spectroscopic findings.

Studies on the Constituents of the Stems
✍ Fukuda, Naomichi ;Yonemitsu, Michiko ;Kimura, Takeatsu 📂 Article 📅 1993 🏛 John Wiley and Sons 🌐 English ⚖ 483 KB

## Abstract Five new furanoid diterpene glycosides, named borapetoside C (1), D (2), E (3), F (4), and G (5), were isolated from the stems of __Tinospora tuberculata__ Beumée (Menispermaceae). The structures of 1–5 were elucidated by chemical and spectroscopic methods.

Studies on the constituents of the stems
✍ Yonemitsu, Michiko ;Fukuda, Naomichi ;Kimura, Takeatsu ;Isobe, Ryuichi ;Komori, 📂 Article 📅 1995 🏛 John Wiley and Sons 🌐 English ⚖ 280 KB

## Abstract Two new dinorditerpene glucosides, tinosineside A (1) and B (2‐O‐acetyltinosineside A, 2), were isolated from the fresh stems of __Tinospora sinensis__ Merr. (Menispermaceae). Their structures were established on the basis of chemical and spectroscopic findings.