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1.
A new iridoid glycoside from Gardenia jasminoides 总被引:1,自引:0,他引:1
Xiao Qin Zhou Zhi Ming Bi Ping Li Dan Tang Hal Xia Cai 《中国化学快报》2007,18(10):1221-1223
A new iridoid glycoside,6′-O-sinapoylgeniposide,was isolated from Gardenia jasminoides Ellis and its structure was elucidated on the basis of 1D and 2D NMR,HR-ESI-MS techniques. 相似文献
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Yoshihisa Takaishi 《中国化学快报》2008,19(4):450-452
A new iridoid glycoside,versibirioside(1),and a known iridoid glycoside,verbaspinoside(2),were isolated from the whole plant of Veronica sibirica L.Their structures were elucidated by spectroscopic methods,including 2D-NMR spectra. 相似文献
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Yan Bo Zeng Wen Li Mei You Xing Zhao Ling Zhuang Kui Hong Hao Fu Dai 《中国化学快报》2007,18(12):1509-1511
Two new epimeric pairs of iridoid scyphiphin A_1(1a),A_2(1b) and scyphiphin B_1(2a),B_2(2b) were isolated from Scyphiphora hydrophyllacea Gaertn.F.Their structures were elucidated by spectroscopic methods.The mixture of scyphiphin B_1 and scyphiphin B_2 showed moderate cytotoxicity against human hepatoma SMMC-7721 cell line in vitro by MTT method. 相似文献
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A new cafferic ester, (+)-2-(1-hydroxyl-4-oxocyclohexyl) ethyl caffeate, was isolated from the 80% ethanol extract of the whole plants of Incarvillea mairei var. granditlora (Wehrhahn) Grierson. The structure of the compound was established by spectroscopic methods. 相似文献
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Xiao-Hui Li Li-He Lu Xu-Hong Li Yun-Biao Li Yuan-Chang Duan De-Huan Fu Shuang-Xi Mei Tao Cui Jing-Kun Wang Zhao-Yun Zhu 《Tetrahedron letters》2018,59(11):995-998
The extract of the aerial and underground parts of Phlomis likiangensis afforded two new iridoid derivatives, namely as phloloside H (1) and phloline (2), along with four known compounds (3–6), and compound 2 was a novel normonoterpene. Their structures were elucidated on the basis of spectroscopic studies and chemical methods. Six compounds were assayed for cytotoxic, antibacterial and antioxidative activities, but were either inactive or very weakly active. 相似文献
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<正>A new glycoside named 6β-O-β-D-glucosylpaederosidic acid(1) was isolated from Paederia scandens and its structure was elucidated on the basis of spectroscopic and chemical evidence,together with four known iridoids,paederoside(2),paederosidic acid(3),paederosidic acid methyl ester(4),and deacetyl asperulosidic acid methyl ester(5).Compound 5 was isolated from this plant for the first time. 相似文献
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Biswanath Dinda Sudhan Debnath Santanu Majumder Noriko Sato Yoshihiro Harigaya 《中国化学快报》2011,22(10):1233-1236
A new iridoid glucoside,10-O-veratroyleranthemoside(1) was isolated from the roots of Wendlandia tinctoria.The structure was established by spectroscopic(including 2D NMR) and chemical methods. 相似文献
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Two new oxindole alkaloids, rankiniridine (1) and humanteniridine (2), having a nitrogen-carbon linkage between a humantenine-type monoterpenoid indole alkaloid and a monoterpene unit with an iridoid skeleton, were isolated from Gelsemium rankinii and Gelsemium elegans, respectively. 相似文献
11.
Yong-Mei Ren Chang-Qiang Ke Chunping Tang Sheng Yao Yang Ye 《Tetrahedron letters》2017,58(24):2385-2388
Divaccinosides A–D (1–4), four rare iridoid glucoside cyclodimers in the truxillate forms, were characterized from the leaves of Vaccinium bracteatum. They were presumably biosynthesized from two known iridoid glucoside monomers, vaccinoside (5) and 10-O-trans-p-coumaroyl-6α-hydroxyl-dihydromonotropein (6), via a [2+2] cycloaddition reaction. The structures of the new compounds were established by comprehensive spectroscopic measurements, combined with chemical conversions and single crystal X-ray crystallographic analyses. 相似文献
12.
Lamberto Tomassini Mauro Serafini Sebastiano Foddai Antonio Ventrone Marcello Nicoletti 《Natural product research》2016,30(2):157-161
A new iridoid diglucoside has been isolated from an aqueous extract of Harpagophytum procumbens secondary roots, together with six known compounds. Its structure has been assigned as 6′-O-glucopyranosyl-8-O-trans-coumaroylharpagide by spectroscopic means. 相似文献
13.
Lamberto Tomassini Antonio Ventrone Claudio Frezza Maria Francesca Cometa 《Natural product research》2020,34(15):2137-2143
AbstractThe phytochemical examination of the polar constituents of Sambucus ebulus L. leaves led to the identification of patrinoside (1) and of a new diglycoside iridoid, patrinoside-aglycone-11-O-[β-D-glucopyranosyl-(1→6)-2′-deoxy-β-D-glucopyranoside] (trivially named as sambuloside) (2). Both of these structures have been assigned by spectroscopic means (NMR and MS). 相似文献
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G. G. Zapesochnaya V. A. Kurkin L. N. Pervykh B. S. Karasartov 《Chemistry of Natural Compounds》1991,27(6):686-690
A new cyclic analogue of luliberin possessing the capacity for stimulating ovulation in sexually mature and infantile rats and also exhibiting a pronounced prolongation of its influence on a number of behavioral reactions of animals has been synthesized.Leningrad State University, Scientific-Research Institute of Obstetrics and Gynecology, Academy of Medical Sciences of the USSR, Leningrad. Translated from Khimiya Prirodnykh Soedinenii, No. 6, pp. 805–810, November–December, 1990. 相似文献
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A new neolignan, 5-(3″-acetoxypropyl)-2-(4′-hydroxy-3′-methoxyphenyl)-7-methoxy-3-methylbenzofuran (1) along with nine analogues were isolated from the thorns of Gleditsia japonica var. delavayi by solvent extraction and repeated column chromatography. Their structures were elucidated by means of extensive spectroscopic analysis including 1D, 2D-NMR techniques and HR-ESIMS. All the isolates were reported for the first time from this species. 相似文献
17.
A new iridoid glycoside, named loganic acid ethyl ester (1), together with five known compounds: chlorogenic acid (2), caffeic acid (3), loganin (4), cantleyoside (5) and syringaresinol-4',4'-O-bis-β-D-glucoside (6) were isolated from the roots of Dipsacus asper. The structure of compound 1 was elucidated on the basis of detailed spectroscopic analyses. Lignan is isolated from Dipsacaceae species for the first time. Compounds 1, 4 and 5 had moderate neuroprotective effects against the Aβ????? induced cell death in PC12 cells. 相似文献
18.
Fei Li Feng Mei Zhang Ya Bin Yang Xue Qiong Yang Qiu E. Cao Zhong Tao Ding 《中国化学快报》2008,19(2):193-195
A new cyclopeptide as well as a known cyclopeptide were isolated from the whole plants of Dianthus caryophyllus. Their structures were elucidated as cyclo (-Thr-Gly-Pro-Tyr-Phe-) (1) and cyclo (-Ala-Gly-Ser-IIe-Phe-Phe-) (2) by means of chemical and spectroscopic methods including MS, 1D and 2D NMR techniques. 相似文献
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V2 iridoid (I) was isolated from the overground parts of the blooming plant and its complete structure has been established by spectroscopic and X-ray diffraction methods. 相似文献
20.
İhsan Çalış Ayşegül Güvenç Metin Armağan Mehmet Koyuncu Charlotte H. Gotfredsen Søren R. Jensen 《Helvetica chimica acta》2007,90(8):1461-1466
From the aerial parts of Eremostachys moluccelloides Bunge , a new iridoid glucoside, lamalbidic acid ( 7 ), was isolated as its choline salt 7a together with six known iridoid glucosides, 5‐deoxysesamoside ( 1 ), 6β‐hydroxy‐7‐epiloganin ( 2 ), lamalbide ( 3 ), shanzhiside methyl ester ( 4 ), sesamoside ( 5 ), and 5‐deoxypulchelloside I ( 6 ). The structures of 7a and 7 (obtained from 7a ) were elucidated by spectroscopic (UV, IR, 1D‐ and 2D‐NMR, and ESI‐MS) methods. 相似文献