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Zhong-Jun Ma

Publications and source records attributed to Zhong-Jun Ma.

6 recordsLinked to original sources
PubMed2005

A new sesquiterpene ester from the fruits of Celastrus orbiculatus.

From the fruits of Celastrus orbiculatus Thunb. a new beta-dihydroagarofuran sesquiterpene ester named 1beta,2beta,13-triacetoxy-9alpha-cinnamoyloxy-beta-dihydroagarofuran (1) has been isolated along with two known compounds, 6alpha-acetoxy-1beta,9beta-dibenzoyloxy-8beta-hydroxy-beta-dihydroagarofuran (2), and 1beta, 6alpha-diacetoxy-9beta-benzoyloxy-8beta-hydroxy-beta-dihydroagarofuran (3). Their structures were elucidated on the basis of spectroscopic data.

Celastrus↗
PubMed2005

A new cycloartane glycoside from Comptosorus sibiricus rupr.

The structure of a new cycloartane glycoside isolated from the whole herbs of Comptosorus sibiricus Rupr. has been established, by chemical and spectroscopic methods (IR, 1D and 2D NMR, HRMS, ESI-MS), as 3beta,7beta,24beta,25,30-pentahydroxycycloartane 24-O-beta-D-glucopyranoside (1).

Chromatography, Gel↗
PubMed2004

Cycloartane-type triterpenoids from Sphaerophysa salsula.

Four novel cycloartanes, named sphaerophysone A (1), B (2), C (3) and D (4), were isolated from the ethanol extract of Sphaerophysa salsula (Pall.) DC. The structures were elucidated on the basis of spectral evidence, and the stereochemistry of compound 1 was defined by X-ray crystallographic analysis. Sphaerophysone B (2) may be an artifact formed in the isolation procedure.

Drugs, Chinese Herbal↗
PubMed2004

A new lignan from the seeds of Sphaerophysa salsula.

A new compound, sphaerophysin A (1), together with 16 known compounds (2-17) were obtained from the ethanolic extract of the seeds of Sphaerophysa salsula. The structure of 1 was elucidated on the basis of spectral and chemical evidence. Compounds 2-17 were isolated from the plant for the first time.

Drugs, Chinese Herbal↗
PubMed2003

A new isocoumarin from bark of Pellodendron chinense.

A new isocoumarin, 3-acetyl-3,4-dihydro-5,6-dimethoxy-1H-2-benzopyran-1-one, was isolated from the cortex of Phellodendron chinense schneid. The structure was determined on the basis of spectroscopic evidences.

Coumarins↗