1) bis-secoiridoid glucoside
二聚体环烯醚萜苷
1.
RESULTS The compound was found to be the first bis-secoiridoid glucoside with a carbon-carbon double bond linkage and identified as centauroside.
结果分得一个通过碳碳双键连接而成的、结构罕见的二聚体环烯醚萜苷centauroside(Ⅰ)。
2) iridoid glycoside
环烯醚萜苷
1.
Effects of cornus officinals iridoid glycoside on cellular model of alzheimer disease induced by protein phosphatase inhibitor okadaic acid;
山茱萸环烯醚萜苷对蛋白磷酸酶抑制剂冈田酸拟阿尔采末病细胞模型的作用
2.
(Scrophulariaceae),one new iridoid glycoside,7-O-acetylgardoside methyl ester(2)was isolated,together with twelve known compounds,gardoside methyl ester(1),verbascoside(3),leucosceptoside A(4),jionoside D(5),martynoside(6),2″-O-acetylmartynoside(7),uridine(8),adenosine(9),benzyl alcohol-O-β-D-xylopyranosyl-(1→2)-β-D-glucopyranoside(10),2-phenylethyl O-β-D-xylopyranosyl-(1→2)-β-D-glu.
为了进一步研究玄参科长舟马先蒿的化学成分,我们从其全草的乙醇提取物中分离得到1个新环烯醚萜苷和12个已知化合物。
3.
Objective: To observe the change of nitric oxide(NO)and expression of nuclear factor-kappa B(NF-κΒ) in the cortex of cerebral infarction rat induced by photochemical reaction,and study the effect of extract from Cornus officinalis(whose main ingredient is iridoid glycoside) in the course of disease.
目的:观察光化学法诱导脑梗死大鼠大脑皮层一氧化氮(NO)与核转录因子-κΒ(NFκ-Β)含量的变化,以及中药山茱萸提取物(主要成分为环烯醚萜苷)对其的影响。
3) Iridoid glycosides
环烯醚萜苷
1.
Isolation and identification of iridoid glycosides from Ilex pubescens;
毛冬青中环烯醚萜苷类化合物的分离与鉴定
2.
Enrichment of iridoid glycosides from the 80% EtOH extract of Gardenia jasminoides Ellis by macroporous resin was studied.
采用大孔吸附树脂对栀子中环烯醚萜苷类成分的富集行为进行研究,结果表明,D101大孔吸附树脂柱层析适合分离纯化栀子中环烯醚萜苷类成分,采用80%乙醇洗脱,紫外-可见分光光度法进行定量测定。
3.
The iridoid glycosides in crude and processed extracts from cornus officinals have been analyzed by high performance liquid chromatography-electrospray ionization mass spectrometry.
利用高效液相色谱-电喷雾多级串联质谱(HPLC-ESI-MSn)联用技术,对传统中药山茱萸炮制过程中环烯醚萜苷类成分的变化进行了研究。
4) iridoid glucosides
环烯醚萜苷
1.
Study on identification of iridoid glucosides from Lagotis yunnanesis;
云南兔耳草中环烯醚萜苷类成分的研究Ⅱ
2.
Study on identification of iridoid glucosides from Lagotis yunnanensis;
云南兔耳草中环烯醚萜苷类成分的研究
3.
RESULTS Four iridoid glucosides were isolated and identified as 6-O-α-L-(4″-O-E-cinnamoyl)rhamnopyranosylcatalpol(Ⅰ),6-O-α-L-(2″-O-E-p-methoxycinnamoyl) rhamnopyranosylcatalpol(Ⅱ),6-O-α-L-(4″-O-E-feruloyl)rhamnopyranosylcatalpol(Ⅲ),gmelinoside L(Ⅳ).
结果分离鉴定了4个环烯醚萜苷类成分:6-O-α-L-(4″-O-E-cinnamoyl)rhamnopyranosylcatalpol(Ⅰ),6-O-α-L-(2″-O-E-p-methoxycinnamoyl)rhamnopyranosycatalpol(Ⅱ),6-O-α-L-(4″-O-E-feruloyl)rhamnopyranosylcatalpol(Ⅲ),gmelinoside L(Ⅳ)。
补充资料：(η5-环戊二烯基)二羰基铁二聚体
分子式：[(η5-C5H5)Fe(CO)2]2
CAS号：
性质：紫红色晶体。熔点194℃。红外(IR)谱(KBr):1955,1940,1756cm-1。如图a.,d(Fe—Fe)=249pm,距离较短,可认为它们之间存在有金属键(图暂缺)。[(η5-C5H5)Fe(CO)2]2为流变分子,通过红外(IR)谱和核磁共振(NMR)谱证实在溶液中存在顺、反异构体,羰基可为桥基或端基。它与水和空气都不反应。可被钠汞齐解聚。 [(η5-C5H5)Fe(CO)2]2(η5-C5H5)Fe(CO)2-还能被其他试剂解聚,形成重要的反应中间体： (1) [(η5-C5H5)Fe(CO)2]2(η5-C5H5)Fe(CO)2Cl (2)[( η5-C5H5)Fe(CO)2]2(η5-C5H5)Fe(CO)2I另外,在苯中回流,形成扭曲的立方型四聚物(图暂缺)。可由无羰基铁Fe(CO)5与环戊二烯反应而制取(反应中放出H2和CO)。用于有机合成,例如,与钠和烃基卤(Rx)反应,可经由(η5-C5H5)Fe(CO)2Na而制得(η5-C5H5)Fe(CO)2R。另外,此化合物加热可得到二茂铁。
CAS号：
性质：紫红色晶体。熔点194℃。红外(IR)谱(KBr):1955,1940,1756cm-1。如图a.,d(Fe—Fe)=249pm,距离较短,可认为它们之间存在有金属键(图暂缺)。[(η5-C5H5)Fe(CO)2]2为流变分子,通过红外(IR)谱和核磁共振(NMR)谱证实在溶液中存在顺、反异构体,羰基可为桥基或端基。它与水和空气都不反应。可被钠汞齐解聚。 [(η5-C5H5)Fe(CO)2]2(η5-C5H5)Fe(CO)2-还能被其他试剂解聚,形成重要的反应中间体： (1) [(η5-C5H5)Fe(CO)2]2(η5-C5H5)Fe(CO)2Cl (2)[( η5-C5H5)Fe(CO)2]2(η5-C5H5)Fe(CO)2I另外,在苯中回流,形成扭曲的立方型四聚物(图暂缺)。可由无羰基铁Fe(CO)5与环戊二烯反应而制取(反应中放出H2和CO)。用于有机合成,例如,与钠和烃基卤(Rx)反应,可经由(η5-C5H5)Fe(CO)2Na而制得(η5-C5H5)Fe(CO)2R。另外,此化合物加热可得到二茂铁。
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参考词条