The title compound [systematic name: [(1α,14α,16β)-20-ethyl-8,9,10-trihy-droxy-1,14,16-tri-meth-oxy-aconitan-4-yl 2-amino-benzoate], C30H42N2O8, a natural C19-diterpenoid alkaloid, possesses an aconitane carbon skeleton with four six-membered rings and two five-membered rings. The fused ring system contains two chair, one boat, one twist-boat and two envelope conformations. Intra-molecular N-H⋯O hydrogen bonds are observed between the amino and carbonyl groups. The mol-ecules are linked together via O-H⋯O hydrogen bonds, forming a three-dimensional framework.
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http://dx.doi.org/10.1107/S205698901501258X | DOI Listing |
Bioorg Chem
July 2024
Department of Pharmaceutical Engineering, School of Chemistry and Chemical Engineering and Jiangsu Province Hi-Tech Key Laboratory for Biomedical Research, Southeast University, Nanjing 211189, PR China. Electronic address:
The current standard treatment for ovarian cancer consists of surgery to reduce the size of the tumor, followed by treatment with chemotherapeutic drugs, which have major side effects. Therefore, finding a new natural product drug with fewer side effects is a strategy. Delphinium brunonianum (D.
View Article and Find Full Text PDFChem Biodivers
June 2024
School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, 610031, Sichuan, People's Republic of China.
Two new C-diterpenoid alkaloids of the lycoctonine-type (liangshanine A and liangshanine B) and nineteen known compounds (3-21) were isolated from the whole plant of Delphinium liangshanense W. T. Wang, and all the compounds were identified by different spectroscopic analyses, such as IR, HR-ESI-MS and NMR.
View Article and Find Full Text PDFNat Prod Res
September 2024
School of Life Science and Engineering Southwest, Jiaotong University, Chengdu, Sichuan, P. R. China.
Two unprecedented aconitine-type C19-diterpenoid alkaloids, refractines A-B (-), along with 12 known compounds (-) were isolated from the roots of (Finet et Gagnep.) Hand. -Mazz.
View Article and Find Full Text PDFChem Biodivers
May 2023
School of Life Science and Engineering, Southwest Jiaotong University, Chengdu, Sichuan, P. R. China.
Four new aconitine-type C -diterpenoid alkaloids, were isolated from the roots of Aconitum nagarum Stapf which were named as nagarutines A-D (1-4), together with eleven known compounds (5-15). The structures of the compounds were identified by IR, HR-ESI-MS, 1D and 2D NMR spectra. All compounds were tested for the inhibitory effect on LPS induced NO production in RAW 264.
View Article and Find Full Text PDFChem Biodivers
March 2023
State Key Laboratory Basis of Xinjiang Indigenous Medicinal Plants Resource Utilization, Chinese Academy of Sciences, South Beijing Road 40-1, Urumqi, 830011, Xinjiang, P. R. China.
Shawurenine C (1a) and D (1b), a new pair of regioisomeric C -diterpenoid alkaloids, and five known C -diterpenoid alkaloids (2-6) were isolated from the aerial part of Delphinium shawurense W. T. Wang.
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