Two new diterpene alkaloids from Delphinium chrysotrichum

Chemical investigation on the ethanol extract from the whole plants of Delphinium chrysotrichum resulted in the isolation of two new diterpene alkaloids named delphatisine A （1） and delphatisine B （2）, respectively. The structures of the new compounds were deduced on the basis of their spectral data （IR, HREIMS, EIMS, 1 D, 2D-NMR）. This is the first report on the isolation of diterpenoid alkaloids from the D. chrysotrichum.

Two New C_(19)-Diterpenoid Alkaloids from Delphinium davidii Franch

Two new C19-diterpenoid alkaloids, davidisines A （1） and B （2） along with thirteen known alkaloids were isolated from the whole herb of Delphinium davidii Franch. Their structures were established by spectral methods, especially 2D NMR techniques.

Three new C_(20)-diterpenoid alkaloids from Delphinium anthriscifolium var.savatieri

Three new C20-diterpenoid alkaloids, designated as anthriscifolmines A-C （1-3）, together with two known alkaloids denudatine and delgramine, were isolated from the whole herb of Delphinium anthriscifolium var. savatieri. The structures of these new alkaloids were elucidated on the basis of spectral data.

Delphinium nortonii Dunn的重新描述

通过检查藏南翠雀花Delphiniumnortonii的主模式标本 ,发现《中国植物志》、《西藏植物志》和《Flo raofChina》中对该种的鉴定和描述有误。该种的花的退化雄蕊黑褐色 ,属于翠雀亚属的密花翠雀花组subgen .Delphinastrumsect.Elatopsis,而上述几种植物志中长期以来将其置于退化雄蕊为蓝色或蓝紫色的翠雀组sect.Delphinastrum中。这几种植物志中记载的D .nortonii实际上代表一个新种 ,即李恒翠雀花D .lihengianum。D .nortonii略相似于冰川翠雀花D .glaciale,而李恒翠雀花与蓝翠雀花D .caeruleum近缘。本文对D .

Three new C_(19)-diterpenoid alkaloids from Delphinium laxicymosum var. pilostachyum

Three new lycoctonine-type C19-diterpenoid alkaloids, laxicymine 1, laxicymisine 2, and laxicyminine 3 have been isolated from the whole herb of Delphinium laxicymosum var. pilostachyum W.T. Wang. Their structures were established by spectra data.

New Diterpenoid Alkaloids from Delphinium Souliei Franch

Continuing investigation of Delphinium souliei Franch yielded two minor new diterpenoid alkaloids--souline E(1) and souline F(2), their structures were determined on the basis of spectroscopic evidences.

SWINANINE C＆D，TWO NEW DITERPENE ALKALOIDS FROM DELPHINIUM SWINANENSE VAR LEPTOPOGON

s: Two new diterpene alkaloids named swinanine C and D were isolated from Delphinium swinanense var leptopogon (H. -M. ) W. T. Wang. Their structures were elucidated by means of spectral methods , principally 1H-NHR, DEPT and 13CNMR techniques.

Diterpenoid Alkaloids from Delphinium Tongolense

The phytochemical investigation of Delphinium tongolense Franch. yielded two new diterpenoid alkaloids tongolenine C and tongolenine D. Their structures were elucidated by spectroscopical methods.

Jadwar(Delphinium denudatum Wall.):a medicinal plant

Delphinium denudatum Wall.is one of the important medicinal herbs of traditional Persian medicine and is known as Jadwar.Medicinal plants are the most widely used drugs in traditional Persian medicine and has been used for various diseases since earlier times.The medicinal uses of Delphinium denudatum Wall.date back to over 1,000 years ago.Rhazes(845–925 C.E.)was the first Persian physician and scientist who reported the use of Delphinium denudatum Wall.as a herbal remedy.During the following centuries,the usages of Delphinium denudatum Wall.in the treatment of various diseases has been mentioned in the books and references of traditional Persian medicine for cures to various diseases such as neurologic and psychiatric disease,gastrointestinal disease,fever,pain,and poisoning.According to modern studies,the dried roots of Delphinium denudatum Wall.have antipyretic,antimicrobial,anticonvulsant,hepatoprotective,antioxidant,and pain-relieving properties.Biomolecules from roots of Delphinium denudatum Wall.were also identified as potential cures for central nervous system diseases as well as for the amelioration of morphine addiction.Delphinium denudatum Wall.,with its properties involving the prevention of mitochondrial dysfunction,reduction of oxidative stress,and inflammation and immune dysregulation,can be utilized in curing inflammatory disorders.The effective therapeutic influence of root extract of Delphinium denudatum Wall.against several diseases needs to be confirmed through controlled clinical trials.This article reviews the different features of Delphinium denudatum Wall.and focuses on the well-known therapeutic effects of this herbal drug on various human disorders and animal disease models.

TWO NEW C_(19)-DITERPENE ALKALOIDS FROM DELPHINIUM SWINANENSE VAR LEPTOPOGON

An investigation of the alkaloids of Delphinium swinanense var. leptopogon resulted in the isolation and identification of two new C(19)-diterpene alkaloids named swinanine A and B, together with one known tatsiensine. The structures of the new alkaloids were established from spectraf evidence.

Chemical constituents and anticoagulant activity from Delphinium brunonianum Royle

Delphinium brunonianum Royle belongs to Ranunculaceae family and has the effects of dispelling wind to relieve itching and cooling blood to detoxify.It was found that the extracts of D.brunonianum had good anticoagulant activity which was extracted with 70%ethanol in our previous researches.Then,16 compounds were isolated and identified from the extract of D.brunonianum,among which compounds 5,7-10,12,14,15-16 were isolated from this genus for the first time,and compounds 2-4 were isolated from this plant for the first time.And the coagulation activity assay showed that compounds 10,14 and 15 had good anticoagulant activity by activated partial thromboplastin time(APTT),thrombin time(TT)and prothrombin time(PT)in vitro.

New C_(19)-Diterpenoid Alkaloids from the Roots of Delphinium

Three new C19-diterpenoid alkaloids, giraldines A (1), B (3) and C (4), were isolated from the roots of Delphinium giraldii Diels, together with three known C19-diterpenoid alkaloids, di-hydrogadesine (5), tatsiensine (6) and siwanine A (7), as well as their structures were elucidated by chemical evidence and spectral analyses, including IR, MS, 1D NMR and 2D NMR.

A new diterpenoid alkaloid isolated from Delphinium caeruleum

The present study was designed to determine the chemical constituents of Delphinium caeruleum Jacq. ex Camb.. The chemical constituents were isolated and purified by column chromatography with silica gel, ODS, and Sephadex LH-20. Their structures were elucidated by IR, MS, and NMR. Ten compounds were obtained and identified as caerudelphinine A(1), lycoctonine(2), talitine B(3), talitine A(4), talitine C(5), tatsienine-V(6), d-magnoflorine(7), 2-trimethyl-ammonio-3-(3-indolyl) propionate(8), vakhmatine(9), and delatisine(10). Compound 1 was a new lycoctonine-type C19-diterpenoid alkaloid, and compounds 4-10 were isolated from this plant for the first time.

翠雀的二萜生物碱类成分研究

采用硅胶柱色谱和制备型高效液相等方法对毛茛科植物翠雀(Delphinium grandiflorum L.)的化学成分进行分离纯化,并通过NMR等波谱学技术对所分离化合物进行结构鉴定。从翠雀全草中分离鉴定了8个C19-牛扁碱型二萜生物碱类化合物,即tatsiensine(1)、deacetyltatsiensine(2)、siwanine A(3)、siwanine B(4)、elasine(5)、anthriscifoldine B(6)、browniine(7)、和牛扁碱(8)。其中化合物1~6首次从翠雀中分离得到。

峨嵋翠雀、黑水翠雀和拳距瓜叶乌头根中的生物碱成分研究

从峨嵋翠雀（Ｄｅｌｐｈｉｎｉｕｍ ｏｍ ｅｉｅｎｓｅ） 根中分出牛扁碱（ｌｙｃｏｃｔｏｎｉｎｅ） １、甲基牛扁碱（ｍ ｅｔｈｙｌｌｙｃａｃｏｎｉｔｉｎｅ）２、氨茴酰牛扁碱（ａｎｔｈｒｏｙｌｌｙｃｏｃｔｏｎｉｎｅ）３、德拉瓦印甲（乙）（ｄｅｌａｖａｉｎｅｓ Ａ，Ｂ）４（５）和黑翠生碱乙（ｐｏｔａｎｉｓｉｎｅ Ｂ）６；从黑水翠雀（Ｄ．Ｐｏｔａｎｉｎｉｉ）根中分出牛扁碱１、甲基牛扁碱２、氨茴酰牛扁碱３、德拉瓦印甲（乙）４（５）、德尔色明甲（ｄｅｌｓｅｍ ｉｎｅ Ａ，Ｂ）（乙）７（８）和塔卡萨明（ｔａｋａｏｓａｍ ｉｎｅ）９；从拳距瓜叶乌头（Ａｃｏｎｉｔｕｍ ｈｅｍ ｓｌｅｙａｎｕｍ ｖａｒ．ｃｉｒｃｉｎａｔｕｍ ）根中分出塔拉萨明（ｔａｌａｔｉｚａｍ ｉｎｅ）１０。

PEG干旱胁迫对大花飞燕草幼苗生理特性的影响

为研究大花飞燕草(Delphinium grandiflorum)幼苗抗旱性,采用不同浓度(0、5%、10%、15%、20%和25%)的PEG溶液对大花飞燕草幼苗进行模拟干旱胁迫,测定了其细胞膜透性、丙二醛、脯氨酸、过氧化物酶、超氧化物歧化酶以及可溶性蛋白等生理生化指标。结果表明,随着干旱胁迫的加剧,大花飞燕草幼苗叶片细胞膜透性、丙二醛含量和脯氨酸总体呈上升趋势;超氧化物歧化酶和过氧化物酶活性总体呈先升后降的趋势,可溶性蛋白在各个胁迫条件下差异不大;综合各指标表明大花飞燕草幼苗具有一定的耐旱性。

大花飞燕草的组织培养及再生体系建立

分别采用种子切段、无菌苗真叶作外植体首次成功建立了大花飞燕草的组织培养和再生体系．结果表明：大花飞燕草种子切段和无菌苗真叶大多数是通过愈伤组织途径再生，也有极少数不经过愈伤组织阶段而直接再生出小植株。在合适的培养基上，种子切段和叶片两种外植体离体培养均能高效再生，平均每个外植体能分化出１０—２０个不定芽．种子切段培养的最适通用培养基为改良ＭＳ附加ＺＴ３ ｍｇＬ－１和 ＮＡＡ ０．３ ｍｇ Ｌ－１；叶培养的最适通用培养基为 ＭＳ附加６－ＢＡ ３ ｍｇ Ｌ－１和 ＮＡＡ ０．３ ｍｇ Ｌ－１．

秦岭翠雀花中生物碱成分的研究

从秦岭翠雀花 (DelphiniumgiraldiiDiels)全草中分得 14个已知生物碱 :tongolinine (1)、氨茴酰牛扁碱 (anthranoyllycoctonine) (2 )、牛扁碱 (lycoctonine) (3)、dihydrogadesine (4 )、tatsiensine (5 )、siwa nineA (6 )、delsemineA (7)、delsemineB (8)、甲基牛扁碱 (methyllycaconitine) (9)、ajacine (10 )、dela jacine (11)、delsoline (12 )、滇乌碱 (yunaconitine) (13)和查斯曼宁 (chasmanine) (14 )。应用光谱和与已知品对照TLC法鉴定了所有化合物的结构。

大花翠雀化学成分的研究

采用常压柱层析及薄层层析从大花翠雀(Delphinium grandiflorum L.)中分离出7个化合物,利用物化特性及波谱分析鉴定了其中6个化合物的结构,分别为4′,7-二甲氧基-5-羟基黄酮(1),1-O-去甲基塔拉萨敏(2),甲基牛扁亭(3),翠雀胺(4),翠雀固灵(5),大花翠雀素(6).经文献检索确定化合物1,2均系首次从该植物中分离得到.

三小叶翠雀花中生物碱成分的研究

目的 研究三小叶翠雀花(ＤｅｌｐｈｉｎｉｕｍｔｒｉｆｏｌｉｏｌａｔｕｍＦｉｎｅｔｅｔＧａｇｎｅｐ)全草中的生物碱化学成分。方法 离子交换树脂法提取总碱,硅胶层析法分离,波谱法鉴定结构。结果 从中分得10个已知Ｃ19-二萜生物碱。分别为氨茴酰牛扁碱(ａｎｔｈｒａｎｏｙｌｌｙ ｃｏｃｔｏｎｉｎｅ)1、牛扁碱(ｌｙｃｏｃｔｏｎｉｎｅ)2、ｄｅｌｓｅｍｉｎｅＡ(3)、ｄｅｌｓｅｍｉｎｅＢ(4)、ｇｉｒａｌｄｉｎｅＧ(5)、ｊｉｕｆｅｎｇｄｉｎｅ(6)、ｂｒｏｗｎｉｉｎｅ(7)、14-ｄｅｈｙｄｒｏ ｂｒｏｗｎｉｉｎｅ(8)、ｄｅｌｓｏｌｉｎｅ(9)和ｄｅｌｐｈａｔｉｎｅ(10)。结论 应用光谱法和与已知物ＴＬＣ对照的方法鉴定了所有化合物的结构。