Results 121 to 130 of about 9,192 (180)

Huperzia serrata flavonoids are involved in regulating male reproductive processes

open access: yesTraditional Medicine Research
Long Li   +6 more
openaire   +1 more source

Secondary metabolites of endophytic fungi isolated from Huperzia serrata

open access: yesFitoterapia, 2021
The natural product Huperzine A isolated from Huperzia serrata is a targeted inhibitor of acetylcholinesterase that has been approved for clinical use in the treatment of Alzheimer's disease. Given the large demand for natural sources of Huperzine A  (Hup.
Duo, Cao   +7 more
openaire   +3 more sources

Insights into Pipecolic Acid Biosynthesis in Huperzia serrata

open access: yesOrganic Letters, 2018
For the biosynthesis of Pip in Huperzia serrata, the mechanistic studies were evaluated. Through a series of biochemical analyses, Pip is biosynthesized through a two-step cascade reaction. Three intermediates possibly exist simultaneously as an equilibrium matter in the first-step reaction catalyzed by HsAld1, while HsSard4 performs as a ketimine ...
Baofu Xu   +5 more
openaire   +3 more sources

Three New Hydroxylated Serratidine Alkaloids from Huperzia Serrata

Natural Product Research, 2002
A known compound, serratidine (1), along with three hydroxylated serratidine alkaloids, 6alpha-hydroxyserrati dine (2), 4alpha-hydroxyserratidine (3) and 4alpha,6alpha-dihydroxyserratidine (4) were isolated from the CHCl3 fraction of basic materials of whole plant of the Chinese medicinal herb Huperzia serrata.
Chang-Heng Tan   +2 more
exaly   +3 more sources

Lycopodium alkaloids from Huperzia serrata

Fitoterapia, 2019
Five new Lycopodium alkaloids, huperzine Y1 (1), huperzine Y2 (2), huperzine Y3 (3), (+)-huperzine Z (4a) and (-)-huperzine Z (4b) as well as ten known alkaloids (5-14) were isolated from Huperzia serrata. The structures of the new compounds were established using extensive spectroscopic (1D and 2D NMR, IR, and HRESIMS) and calculated electronic ...
Fangfang, Jiang   +10 more
openaire   +2 more sources

Huperserratinine from Huperzia serrata

Phytochemistry, 1994
Abstract A new Lycopodium alkaloid, huperserratinine, was isolated from Huperzia serrata and its structure and NMR data were assigned unambiguously by a combination of NMR experiments and computer modelling calculations.
Da-Yuan Zhu   +4 more
openaire   +1 more source

New Epoxyserratanes from Huperzia serrata

Planta Medica, 2003
Three new serratane-type epoxytriterpenoids were isolated from the whole plant of Huperzia serrata. The structures of these new compounds were characterized as 14 beta,15 beta-epoxy-3 beta-hydroxyserratan-21 beta-ol (1), 14 beta,15 beta-epoxy-3 beta-hydroxyserratan-21alpha-ol (2), and 14 beta,15 beta-epoxy-3 beta-hydroxyserratan-21alpha-ol-3 beta-O ...
Hui, Zhou   +4 more
openaire   +2 more sources

Lycopodium Alkaloids from Huperzia serrata

Helvetica Chimica Acta, 2007
AbstractThree new Lycopodium alkaloids, 2‐chlorohuperzine E (1), huperzines E′ (2), and F′ (3), along with two known compounds, huperzines E and F, were isolated from Huperzia serrata (Thunb.) Trev. Their structures were elucidated by spectroscopic methods.
Heng‐Bin Wang   +6 more
openaire   +1 more source

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