np7b00241_si_002.cif (407.15 kB)
Camellianols A–G, Barrigenol-like Triterpenoids with PTP1B Inhibitory Effects from the Endangered Ornamental Plant Camellia crapnelliana
dataset
posted on 2017-10-24, 18:05 authored by Juan Xiong, Jiang Wan, Jie Ding, Pei-Pei Wang, Guang-Lei Ma, Jia Li, Jin-Feng HuSeven new naturally occurring barrigenol-like
compounds, camellianols
A–G (1–7), and 10 known triterpenoids
were isolated from the twigs and leaves of the cultivated endangered
ornamental plant Camellia crapnelliana. According
to the ECD octant rule for saturated cyclohexanones, the absolute
configurations of camellianols D (4) and E (5) were defined. The backbones of the remaining new isolates are assumed
to have the same absolute configuration as compounds 4, 5, and harpullone (12). Compounds 2, 3, 9, 10, 13, and 16 exhibited inhibitory effects on the
protein tyrosine phosphatase 1B (PTP1B) enzyme, with IC50 values less than 10 μM.
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Triterpenoidplant Camellia crapnellianaEndangered Ornamental Plant Camellia crapnellianaCompounds 2PTP 1B Inhibitory EffectsBarrigenol-likeprotein tyrosine phosphatase 1 BIC 50 valuescompounds 4camellianols DtriterpenoidharpullonePTP 1B enzymeconfiguration10 μ MECD octant ruletwigscyclohexanonebarrigenol-like compoundsCamellianol
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