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Rubescensins S and T: Seco-ent-Kaurane Diterpenoids from Isodon rubescens var. taihangensis.

โœ Scribed by Quan-Bin Han; Rong-Tao Li; Ji-Xia Zhang; Han-Dong Sun

Publisher
John Wiley and Sons
Year
2004
Weight
12 KB
Volume
35
Category
Article
ISSN
0931-7597

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Rubescensins S and T: Seco-ent-Kaurane D
Rubescensins S and T: Seco-ent-Kaurane Diterpenoids from Isodon rubescens var. taihangensis
โœ Quan-Bin Han; Rong-Tao Li; Ji-Xia Zhang; Han-Dong Sun ๐Ÿ“‚ Article ๐Ÿ“… 2004 ๐Ÿ› John Wiley and Sons ๐ŸŒ German โš– 112 KB

## Abstract Two new diterpenoids, rubescensin S (=(1__ฮฑ__,6__ฮฒ__,14__ฮฒ__)โ€7__ฮฑ__,20โ€epoxyโ€1,7,14โ€trihydroxyโ€16โ€oxoโ€15,16โ€secoโ€__ent__โ€kauranโ€6,15โ€olide; **1**) and rubescensin T (=(1__ฮฑ__,6__ฮฒ__,11__ฮฒ__,20__S__)โ€7__ฮฑ__,20โ€epoxyโ€1,6,7โ€trihydroxyโ€20โ€methoxyโ€8,15โ€secoโ€__ent__โ€kaurโ€16โ€enโ€11,15โ€olide; *

Ent-Kaurane Diterpenoids from Isodon rub
Ent-Kaurane Diterpenoids from Isodon rubescens var. rubescens.
โœ Quan-Bin Han; Wei-Lie Xiao; Yun-Heng Shen; Han-Dong Sun ๐Ÿ“‚ Article ๐Ÿ“… 2004 ๐Ÿ› John Wiley and Sons โš– 14 KB ๐Ÿ‘ 1 views

## Abstract For Abstract see ChemInform Abstract in Full Text.

A Novel Asymmetric ent-Kaurane Dimer fro
A Novel Asymmetric ent-Kaurane Dimer from Isodon rubescens var. rubescens
โœ Quan-Bin Han; Zhen-Dan He; Chun-Feng Qiao; Hong-Xi Xu; Han-Dong Sun ๐Ÿ“‚ Article ๐Ÿ“… 2005 ๐Ÿ› John Wiley and Sons ๐ŸŒ German โš– 77 KB

## Abstract A novel asymmetric __ent__โ€kaurane dimer, xindongnin P (**1**), was isolated from __Isodon rubescens__ var. __rubescens.__ Its structure was elucidated by detailed spectroscopic analysis. Compound **1** contains a tetrahydrofuran moiety whose formation leads to inversion of configuratio