alkaloid相关论文
The crystals of alkaloid Dehydrocrydaline chloride (C_(22)H_(24)NO_4·HCl) belong to the orthorhombic system. The space......
Two new indole alkaloids. wuchuyuamide Ⅰ and Ⅱ were isolated from the fruits of Evodia rutaecarpa (Juss.) Benth and th......
Tetrandrine, a bisbenylisoquinoline alkaloid isolated from the dried root of Stephenia tetrandra S Moore, exhib-its ver......
A E-2-[(3’-indole)cyanomethylene]-3-indolinone was isolated from the root of Isatis indigotica Fort. The structure elu......
目的:建立HPLC-DAD法同时测定中药苦参中氧化槐醇碱、氧化苦参碱、槐定碱、氧化槐果碱、槐醇、苦参碱及槐果碱七种生物碱的含量。......
A new nitro tetrahydronprotoberberins alkaloid, 1-nitro-apocavidine was isolated from Corydalis saxicola Bunting. The st......
Further phytochemical investigation of the unique C18-norditerpenoid alkaloids from the roots of Aconitum delavayi Franc......
The interaction between sanguinarine and guanosine was investigated by using UV-vis and fluorescence spectra at pH 7.2.T......
The enantioselective O-allylic alkylation of acetophenone oxime with various Morita-Baylis-Hillman (MBH) carbonates has ......
Atkamine is a complex marine pyrroloiminoquinone alkaloid that comprises a heptacyclic scaffold bearing five different h......
Recently, cloud point extraction (CPE) coupled with back extraction (BE) has been suggested as a promising alternative t......
为确定宾川白肋烟生物碱组成特点和品种更新改良的可行性,对云南宾川白肋烟生物碱组成和含量及不同白肋烟品种烟碱转化株比例和烟......
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Qualitative and Quantitative Analysis of Alkaloids in Cortex Phellodendri by HPLC-ESI-MS/MS and HPLC
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Alkaloids are plant secondary metabolites that are widely distributed in Nicotiana species and contribute greatly to the......
An alternative synthetic approach towards erythrinan and homoerythrinan alkaloids by tandem semipina
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Rapid Profiling of Alkaloids in Several Medicinal Herbs by Matrix-assisted Laser Desorption/Ionizati
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
In vitro Anti-viral Activity of the Total Alkaloids from Tripterygium hypoglaucum against Herpes Sim
Herpes simplex virus type 1 (HSV-1) is a commonly occurring human pathogen worldwide. There is an urgent need to discove......
目的研究并优化荷叶生物碱的提取工艺。方法采用酸提碱沉提取结合有机溶剂萃取纯化的方法从荷叶中提取生物碱。并通过单因素试验和......
Sinomenium acutum is widely used in East and South Asia for the treatment of many diseases, especially rheumatoid arthri......
目的 分离制备海南产红树植物老鼠簕中指标性成分并建立其含量测定方法.方法 选择老鼠簕高效液相色谱-二极管阵列检测器(HPLC-DAD)......
[目的]研究牛心朴子总生物碱对小鼠的亚急性毒性试验效果,为开发利用牛心朴子资源提供理论依据.[方法]将32只小鼠按灌药剂量分为12......
Trolline, a new bioactive alkaloid was isolated in 2004.We reported herein the first total synthesis of (±)-trolline, i......
从脉叶虎皮楠(Daphniphyllum paxianum)的枝干中分离并鉴定了四个生物碱,分别为daphnilactone A(1)、daphnicyclidin D(2)、daphni......
A new alkaloid compound I was obtained from Solanum cathayanum, a folk medicine of Hubei Province, together with a known......
Plant secondary metabolites play critical roles in plant-environment interactions.They are synthesized in different orga......
Nicotine to nornicotine conversion in cultivated tobacco was reviewed in four aspects, including the effecton TSNAs form......
目的: 研究凤仙花属植物冷水七Impatiens pritzellii Hook. f .var. hupehensis Hook. f.的化学成分.方法: 用柱色谱分离得到化学......
A new alkaloid, named prolifine (1), was isolated along with four known alkaloids, liriodenine (2), 6-hydroxyonychine (3......
一个新的化合物Nephoxaloid(1)具有独特的三环骨架结构和一个已知的化合物蕨藻素Caulerpin(2)从中国国西沙群岛的软珊瑚Nephthea s......
Two new diterpenoids, nagadine 1 and 14-benzoylsachaconitine 2 were isolated from the roots of Aconitum nagarum. Their s......
报道了一务哌啶生物碱(-)-Deoxoprosophylline的不对称合成方法.采用二碘化钐促进的手性叔丁基甲磺亚胺10与取代醛11交叉偶联为关......
A new dendrobine-type alkaloid has been isolated from stems of Dendrobium nobile lindl.. Its structure has been identifi......
IntroductionFritillaria hupehensis Hsiao et K. C. Hsia is a liliaceous plant growing in the southwest district of Hubei ......
A New Cytotoxic Compound from Penicillium auratiogriseum, Symbiotic or Epiphytic Fungus of Sponge My
A new compound, (S)-2, 4-dihydroxy-1-butyl (4-hydroxy) benzoate (1), and a known compound, fructigenines A (2), were iso......
IntroductionOne of the major root alkaloids of the Indian medicinal plant Rauvolfia serpenlina Benth. Ex Kurz is named a......
A new highly conjugated alkaloid of veratramine type, 22S,25S,5α-veratramine-7(8), 12( 14)-diene-3β,13β,23β-triol-6-......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Qualitative and Quantitative Analysis of Alkaloids in Cortex Phellodendri by HPLC-ESI-MS/MS and HPLC
A combined method of high performance liquid chromatograph-elecrtrospray-ionization mass spectro-meter(HPLC-ESI-MS/MS) c......
天然药物化学是一门重要的药学专业课程。其中的生物碱章节重点和难点知识多,对教学提出了高要求。作者根据多年来从事生物碱类化......
建立了红酒、牛奶、面包和米粉样品中20种有害生物碱的高效液相色谱-串联质谱分析检测方法.基于生物碱的特性,采用乙腈提取,使用Na......
摘要 [目的]研究披针叶黄华生物碱的具体种类及含量。[方法]采用生物碱系统提取、硅胶柱层析分离及重结晶技术从披针叶黄华干草粉......
采用烟碱转化株早期诱导鉴别方法,对3个白肋烟杂交种及其亲本的烟碱转化率进行了分析.结果表明,不同杂交种生物碱组成和含量存在显著......
从黄果茄(Solanum xanthocarpum:sx)果实中提取分离的3种新生物碱SXⅠ、Ⅱ、Ⅲ,其纯度分别为97.89%、98.71%、96.12%,使用浸泡法试验生物碱的......
目的建立同时测定咳速停糖浆中盐酸麻黄碱、盐酸伪麻黄碱以及磷酸可待因3种有效成分的量的超高效液相色谱-串联质谱(UPLC-MS/MS)分析......