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1.
Acta Pharmaceutica Sinica ; (12): 831-834, 2021.
Article in Chinese | WPRIM | ID: wpr-876526

ABSTRACT

Five cadinane-type sesquiterpenoids were isolated from the n-hexane extract of Commiphora myrrha by using various chromatographic techniques, including silica gel, ODS and semi-preparative HPLC. Their structures were identified by physicochemical properties and spectroscopic data. These compounds were defined as (3S,4R)-3,9-dimethoxymyrrhone (1), 9-methoxymyrrhone (2), myrrhone (3), commiterpene B (4) and comosone Ⅱ (5). Compound 1 is a new compound, of which the absolute configuration was established by single crystal X-ray crystallographic analysis. Compound 5 is firstly isolated from the Commiphora genus.

2.
Article in Chinese | WPRIM | ID: wpr-879180

ABSTRACT

This study aims to study the chemical components from the gum resin of Boswellia carterii. Five cembranoid diterpenes were isolated from the gum resin of B. carterii by various of column chromatographies including silica gel, Sephadex LH-20, and semi-preparative HPLC. Their structures were identified on the basis of physicochemical properties, mass spectrometry(MS), nuclear magnetic resonance(NMR), Ultraviolet(UV) and infrared(IR) spectroscopic data. These compounds were identified as(1S,2E,4R,5S,7E,11E)-4-methoxy-5-hydroxycembrane(1),(1R~*,4R~*,5E,8E,12E,15E)-4-hydroxycembra-5,8,12,15-tetraene(2), cembrene A(3),(3S,4S,7R)-4-hydroxycembrane(4), and pavidolide D(5). Compound 1 was a new compound. Compounds 2, 4, and 5 were obtained from the gum resin of B. carterii for the first time. Compound 2 showed weak inhibition on the human liver cancer cell line HepG2.


Subject(s)
Boswellia , Cell Line , Diterpenes , Humans , Molecular Structure , Resins, Plant
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