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Chemistry of natural compounds
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7981-2019
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2019 v.55 no.4
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- Author:
- Rongrui Wei; Qinge Ma; Guoyue Zhong
- Source:
- Chemistry of natural compounds 2019 v.55 no.4 pp. 654-657
- ISSN:
- 0009-3130
- Subject:
- Silene; acetylcholinesterase; chemistry; inhibitory concentration 50; spectral analysis
- Abstract:
- ... A new benzylbenzofuran, named 5′,7-dihydroxy-6-propenyl-2-(11′,12′-dimethylpyran)-benzylbenzofuran (1), and seven known benzylbenzofuran derivatives (2–8) were isolated from Silene conoidea L. for the first time. The structures of compounds 1–8 were identified by their spectral data and reference data. Compounds 1–8 were evaluated for anti-acetylcholinesterase (AChE) activities for the first time. ...
- DOI:
- 10.1007/s10600-019-02771-y
- https://doi.org/10.1007/s10600-019-02771-y
- Author:
- D. N. Olennikov; N. K. Chirikova
- Source:
- Chemistry of natural compounds 2019 v.55 no.4 pp. 642-647
- ISSN:
- 0009-3130
- Subject:
- Silene; chemistry; flavones; mass spectrometry; nuclear magnetic resonance spectroscopy
- Abstract:
- ... Flavonoids from Silene aprica Turcz. and S. samojedorum (Sambuk) Oxelman (Caryophyllaceae) growing in Baikal region were studied for the first time. A total of 14 compounds including three new compounds 1–3 were isolated. Their structures were established using UV, IR, and NMR spectroscopy and mass spectrometry. Apigenin-6-C-(2″-O-α-L-arabinopyranosyl-6″-O-acetyl)-β-D-glucopyranoside (sileneside A ...
- DOI:
- 10.1007/s10600-019-02768-7
- https://doi.org/10.1007/s10600-019-02768-7
- Author:
- Lei Cheng; Gui-Yuan Liu; Yin-Chi Pan; Mao-Sheng Zhang; Shi-Ji Xiao
- Source:
- Chemistry of natural compounds 2019 v.55 no.4 pp. 665-668
- ISSN:
- 0009-3130
- Subject:
- Daucus carota; aerial parts; chemical composition; chemical structure; ethanol; nuclear magnetic resonance spectroscopy; sesquiterpenoids; spectral analysis
- Abstract:
- ... A new sesquiterpenoid derivative, 8β,11-dihydroxy-1β,5β-epoxyarbutan-3-one (1), along with 18 known compounds (2–19), were isolated from the ethanol extract of the aerial parts of Daucus carota. The chemical structure of the new compound was established by means of spectroscopic analysis, including one and two-dimensional NMR spectroscopy. ...
- DOI:
- 10.1007/s10600-019-02773-w
- https://doi.org/10.1007/s10600-019-02773-w
- Author:
- Pablo A. Chacon-Morales; Juan M. Amaro-Luis; Luis B. Rojas Fermin; Nurby N. Rios Tesch; Maria E. Lucena Escalona; Miguel A. Rodriguez Pena; Philippe A. Peixoto; Remi Jacquet; Denis Deffieux; Laurent Pouysegu; Stephane Quideau
- Source:
- Chemistry of natural compounds 2019 v.55 no.4 pp. 677-684
- ISSN:
- 0009-3130
- Subject:
- Enterococcus faecalis; Escherichia coli; Pseudomonas aeruginosa; Staphylococcus aureus; antibacterial properties; benzoic acid; chemistry; diterpenoids; esters; heathlands; indigenous species; nuclear magnetic resonance spectroscopy; spectral analysis; Andes region
- Abstract:
- ... The diterpene 13(S)-labdan-8α,15-diol (1) was isolated in high yield from Oxylobus glanduliferus, a native species of Venezuelan Andean moorlands. Using this compound (1) as a starting material, it was possible to prepare 12 aromatic esters, which were structurally characterized by analysis of their spectroscopic data (IR, 1D and 2D NMR and MS). The bactericidal activity of these diterpene derivat ...
- DOI:
- 10.1007/s10600-019-02777-6
- https://doi.org/10.1007/s10600-019-02777-6
- Author:
- Qing-hu Wang; Wen-qiang Bao; Bi-li-ge-tu-lan Pa; Na-ren-chao-ke-tu Han
- Source:
- Chemistry of natural compounds 2019 v.55 no.4 pp. 651-653
- ISSN:
- 0009-3130
- Subject:
- chemistry; electrospray ionization mass spectrometry; ethyl acetate; nuclear magnetic resonance spectroscopy
- Abstract:
- ... A new compound, named cymbadahoside A (1), was isolated from the EtOAc extract of Cymbaria dahurica. The structure of cymbadahoside A was identified by UV, IR, ESI-MS, and 1D and 2D NMR. ...
- DOI:
- 10.1007/s10600-019-02770-z
- https://doi.org/10.1007/s10600-019-02770-z
- Author:
- Hai-bo Wu; Ting-ting Liu; Wen-jie Deng; Jing Zhang; Luo-wenlei Yang
- Source:
- Chemistry of natural compounds 2019 v.55 no.4 pp. 671-673
- ISSN:
- 0009-3130
- Subject:
- Ligularia; Meloidogyne incognita; chemistry; juveniles; lethal concentration 50; nematicidal properties; nuclear magnetic resonance spectroscopy; sesquiterpenoids; spectral analysis
- Abstract:
- ... A new eremophilane sesquiterpene, 10α-hydroxy-3-oxoeremophil-1(2),7(11),8(9)-trien-8(12)-olide (1), was isolated from Ligularia veitchiana. The structure of the new compound was elucidated by physical and spectroscopic data analysis, including 1D NMR and 2D NMR and HR-ESI-MS. Compound 1 showed inhibitory activity against the second-stage juveniles (J2) of Meloidogyne incognita with an LC₅₀ value o ...
- DOI:
- 10.1007/s10600-019-02775-8
- https://doi.org/10.1007/s10600-019-02775-8
- Author:
- Xia Liu; Jing Li; Jun Li; Qian Liu; Meng Xun
- Source:
- Chemistry of natural compounds 2019 v.55 no.4 pp. 638-641
- ISSN:
- 0009-3130
- Subject:
- Ligularia fischeri; chemistry; flavonoids; glycosides; spectral analysis
- Abstract:
- ... A new flavonoid glycoside, 7-hydroxy-4′-methoxy-3′-O-β-D-glucoside-flavone (1), together with nine known compounds (2–10), were isolated from the n-BuOH-soluble fraction of the alcoholic extract from the whole plant of Ligularia fischeri (Ledeb.) Turcz. Their structures were identified on the basis of spectroscopic analysis and by comparison of their spectral data with those of the corresponding c ...
- DOI:
- 10.1007/s10600-019-02767-8
- https://doi.org/10.1007/s10600-019-02767-8
- Author:
- Wei Xu; Chao-Jiang Xiao; Jun-Zhe Sun; Pan-Pan Zhang; Jing-Wen Wang; Xiang Dong; Bei Jiang
- Source:
- Chemistry of natural compounds 2019 v.55 no.4 pp. 685-688
- ISSN:
- 0009-3130
- Subject:
- Isodon lophanthoides; acetone; chemistry; diterpenoids; rhizomes; spectral analysis; triterpenoids
- Abstract:
- ... A new totarane diterpenoid, 7β,15-dihydroxytotarol-19-oic acid (1), along with six known diterpenoids (2–7) and seven known triterpenoids (8–14), were isolated from the EtOAc-soluble fraction of the 70% acetone extract of rhizomes of Isodon lophanthoides. Their structures were elucidated based on the analysis of extensive spectroscopic data. The antimalarial activities of all the isolated diterpen ...
- DOI:
- 10.1007/s10600-019-02778-5
- https://doi.org/10.1007/s10600-019-02778-5
- Author:
- Kh. A. Rasulova; Kh. M. Bobakulov; M. A. Eshonov; N. D. Abdullaev
- Source:
- Chemistry of natural compounds 2019 v.55 no.4 pp. 709-711
- ISSN:
- 0009-3130
- Subject:
- Haplophyllum; aerial parts; alkaloids; chemistry; spectral analysis; Uzbekistan
- Abstract:
- ... The new alkaloid pedicine and the known bases dictamnine, skimmianine, evoxine, haplophine, perfamine, and glycoperine were separated from total alkaloids from the aerial part of Haplophyllum pedicellatum collected in Surkhandarya Region, Republic of Uzbekistan. Pedicine was a quinolin-2-one derivative according to spectral characteristics. ...
- DOI:
- 10.1007/s10600-019-02784-7
- https://doi.org/10.1007/s10600-019-02784-7
- Author:
- Sh. M. Adizov; A. G. Eshimbetov; B. Tashkhodzhaev; M. M. Mirzaeva; P. Kh. Yuldashev
- Source:
- Chemistry of natural compounds 2019 v.55 no.4 pp. 705-708
- ISSN:
- 0009-3130
- Subject:
- alkaloids; chemistry; indoles; infrared spectroscopy; zwitterions
- Abstract:
- ... Reduction of the alkaloid norfluorocurarine, which may adopt a zwitterionic form in basic medium but reverts to the initial state in acidic and neutral media according to UV and IR spectroscopy and an X-ray structure analysis, was studied. Alkaloids of the α-methyleneindoline type formed indolenine species in acidic and neutral media; indole derivatives, in basic medium. ...
- DOI:
- 10.1007/s10600-019-02783-8
- https://doi.org/10.1007/s10600-019-02783-8
- Author:
- S. G. Yunusova; S. S. Lyashenko; N. I. Fedorov; Z. Yu. Tleptserisheva; O. N. Denisenko; M. S. Yunusov
- Source:
- Chemistry of natural compounds 2019 v.55 no.4 pp. 597-601
- ISSN:
- 0009-3130
- Subject:
- Pulmonaria; chemistry; climatic zones; polyunsaturated fatty acids; seeds; triacylglycerols
- Abstract:
- ... Lipids from seeds of Pulmonaria mollis (Boraginaceae) from two RF climate zones, i.e., Krasnodar Krai (I) and Republic of Bashkortostan (II), were characterized. The neutral lipid (NL) contents of I were greater than those of II (33.8 and 20.5%, respectively). The NL classes were characterized. A larger amount of polyunsaturated fatty acids (PUFAs) concentrated in NL and triacylglycerides (TAGs) f ...
- DOI:
- 10.1007/s10600-019-02757-w
- https://doi.org/10.1007/s10600-019-02757-w
- Author:
- S. V. Serkerov; G. K. Kasumova
- Source:
- Chemistry of natural compounds 2019 v.55 no.4 pp. 626-627
- ISSN:
- 0009-3130
- Subject:
- Peucedanum; chemistry; nuclear magnetic resonance spectroscopy; psoralens; roots
- Abstract:
- ... Extracts of Peucedanum ruthenicum roots contained the known peucedanin-type furocoumarins isoimperatorin, peucedanin, and ostruthin in addition to two new ones, peuceruthen and peuceruthenin. The structures of the new furocoumarins were elucidated by comparing their PMR spectra with those of peucedanin and using ¹³C NMR and ¹³C DEPT 135 NMR spectra. ...
- DOI:
- 10.1007/s10600-019-02764-x
- https://doi.org/10.1007/s10600-019-02764-x
- Author:
- D. B. Tukhtaev; A. Sh. Saidov; M. Alimova; E. O. Terent’eva; Z. S. Khashimova; Sh. S. Azimova; V. I. Vinogradova
- Source:
- Chemistry of natural compounds 2019 v.55 no.4 pp. 700-704
- ISSN:
- 0009-3130
- Subject:
- amides; amines; amino acids; chemistry; cytotoxicity
- Abstract:
- ... Amides were synthesized from N-benzoyl aliphatic α-amino acids and homoveratrylamine and screened for cytotoxicity. ...
- DOI:
- 10.1007/s10600-019-02782-9
- https://doi.org/10.1007/s10600-019-02782-9
- Author:
- T. V. Kharlamova; R. B. Seidakhmetova; K. D. Praliev
- Source:
- Chemistry of natural compounds 2019 v.55 no.4 pp. 622-625
- ISSN:
- 0009-3130
- Subject:
- Artemia salina; acylation; anthraquinones; chemical derivatives; chemical structure; chlorides; cytotoxicity; synthesis
- Abstract:
- ... Products were obtained from acylation of 1,2,4-trihydroxy-9,10-anthraquinone (purpurin) by saturated cyclic carboxylic acid chlorides. The compositions and structures of the monosubstituted compounds were confirmed by elemental analysis and IR and PMR spectroscopy. The cytotoxicities of the derivatives were evaluated in an Artemia salina Leach brine shrimp test. ...
- DOI:
- 10.1007/s10600-019-02763-y
- https://doi.org/10.1007/s10600-019-02763-y
- Author:
- L. A. Baltina; D. M. Shayakhmetova; L. A. Baltina Jr.; T. R. Nugumanov
- Source:
- Chemistry of natural compounds 2019 v.55 no.4 pp. 692-695
- ISSN:
- 0009-3130
- Subject:
- cyclization reactions; esters; glycyrrhetinic acid; synthesis
- Abstract:
- ... The butyl ester of 3-oxoglycyrrhetinic acid reacted with semicarbazide in EtOH in the presence of NaOAc to produce the 3-semicarbazone, Hurd–Mori cyclization of which gave in 85% yield a 1,2,3-thiadiazole annelated to ring A. ...
- DOI:
- 10.1007/s10600-019-02780-x
- https://doi.org/10.1007/s10600-019-02780-x
- Author:
- Yue Li; Yue-Li Wei; Jun-Ju Xu; Yan-Li Liang; Yu-Peng Li
- Source:
- Chemistry of natural compounds 2019 v.55 no.4 pp. 614-617
- ISSN:
- 0009-3130
- Subject:
- Jatropha curcas; aerial parts; chemistry; lignans; nuclear magnetic resonance spectroscopy
- Abstract:
- ... Two new lignan derivatives, jatrolignan A (1) and B (2), were isolated from the aerial parts of Jatropha curcas. Their structures were elucidated by spectroscopic methods, including extensive 1D and 2D NMR experiments, as well as high-resolution ESI mass analysis. ...
- DOI:
- 10.1007/s10600-019-02761-0
- https://doi.org/10.1007/s10600-019-02761-0
- Author:
- Xiao-Long Wang; Ping Li; Hai-Ying Xiang; Wan-Li Zeng; Jing Li; Lin Ye; Xin Liu; Guang-Yu Yang; Qiu-Fen Hu; Xue-Mei Li; Gang-Peng Li; Cheng-Ming Zhang
- Source:
- Chemistry of natural compounds 2019 v.55 no.4 pp. 648-650
- ISSN:
- 0009-3130
- Subject:
- antiviral properties; chemistry; nuclear magnetic resonance spectroscopy; viruses
- Abstract:
- ... Two new naphthaldehyde derivatives, 2-(hydroxymethyl)-5-methoxy-7-(2-oxopropyl)naphthalene-1-carbaldehyde (1) and 2-(hydroxymethyl)-5-methyl-7-(2-oxopropyl)naphthalene-1-carbaldehyde (2), were isolated from the whole plants of Comastoma pulmonarium. Their structures were elucidated by spectroscopic methods, including extensive ¹D and ²D NMR techniques. Compounds 1 and 2 were also evaluated for the ...
- DOI:
- 10.1007/s10600-019-02769-6
- https://doi.org/10.1007/s10600-019-02769-6
- Author:
- S. P. Bondarenko; G. P. Mrug; V. I. Vinogradova; V. P. Khilya; M. S. Frasinyuk
- Source:
- Chemistry of natural compounds 2019 v.55 no.4 pp. 628-631
- ISSN:
- 0009-3130
- Subject:
- aminomethylation; anabasine; coumarins
- Abstract:
- ... The possibility of using the alkaloid anabasine in Mannich aminomethylation of coumarins was studied. Anabasine-coumarin conjugates in which the benzopyrone core was conjugated to anabasine through a methylene linker were synthesized. ...
- DOI:
- 10.1007/s10600-019-02765-w
- https://doi.org/10.1007/s10600-019-02765-w
- Author:
- W. X. Liu; M. Dong; R. Q. Zhang; Z. H. Ma; Q. F. Yang; Y. J. Chen; Y. Q. Ye; L. M. Liao; P. Cheng; Z. Y. Jiang; M. Zhou
- Source:
- Chemistry of natural compounds 2019 v.55 no.4 pp. 696-699
- ISSN:
- 0009-3130
- Subject:
- Lepidium meyenii; amides; chemical structure; cytotoxicity; neoplasm cells; roots; spectral analysis
- Abstract:
- ... A new benzylated alkamide, N-(3-methoxybenzyl)hexadec-9Z-enamide (1), and a known analogue (2) were isolated from the roots of Lepidium meyenii. Their structures were elucidated by extensive NMR and MS spectroscopic analyses. All the isolated alkamides were evaluated for their cytotoxicity against five human cancer cell lines but found to be insignificant at concentrations up to 40 μM. ...
- DOI:
- 10.1007/s10600-019-02781-w
- https://doi.org/10.1007/s10600-019-02781-w
- Author:
- B. D. Komilov; K. A. Eshbakova; H. A. Aisa
- Source:
- Chemistry of natural compounds 2019 v.55 no.4 pp. 689-691
- ISSN:
- 0009-3130
- Subject:
- Pulicaria; aerial parts; chemistry; diterpenoids; spectral analysis
- Abstract:
- ... The new clerodane-type diterpenoid gnapholone (1) was isolated from the aerial part of Pulicaria gnaphalodes. Spectral data established the structure of 1 as 7-oxo-15,16-epoxy-trans-cleroda-3,13(14)-dien-19,6-olide. ...
- DOI:
- 10.1007/s10600-019-02779-4
- https://doi.org/10.1007/s10600-019-02779-4