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原花青素B5 | 12798-57-1

中文名称
原花青素B5
中文别名
——
英文名称
procyanidin B5
英文别名
(-)-epicatechin-(4β->6)-(-)-epicatechin;epicatechin-(4β->6)-epicatechin;epicatechin-(4β→6)-epicatechin;epicatechin-(4β-6)-epicatechin;epicatechin-4β-6-epicatechin;procyanidin B5;(2R,3R)-2-(3,4-dihydroxyphenyl)-6-[(2R,3R,4S)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-chromen-4-yl]-3,4-dihydro-2H-chromene-3,5,7-triol
原花青素B5化学式
CAS
12798-57-1
化学式
C30H26O12
mdl
——
分子量
578.529
InChiKey
GMISZFQPFDAPGI-CVJZBMGUSA-N
BEILSTEIN
——
EINECS
——
  • 物化性质
  • 计算性质
  • ADMET
  • 安全信息
  • SDS
  • 制备方法与用途
  • 上下游信息
  • 反应信息
  • 文献信息
  • 表征谱图
  • 同类化合物
  • 相关功能分类
  • 相关结构分类

物化性质

  • 沸点:
    1009.6±65.0 °C(Predicted)
  • 密度:
    1.705±0.06 g/cm3(Predicted)

计算性质

  • 辛醇/水分配系数(LogP):
    2.4
  • 重原子数:
    42
  • 可旋转键数:
    3
  • 环数:
    6.0
  • sp3杂化的碳原子比例:
    0.2
  • 拓扑面积:
    221
  • 氢给体数:
    10
  • 氢受体数:
    12

安全信息

  • 储存条件:
    室温、密封保存,并保持通风。

SDS

SDS:059f624b486caef288a7b774ff8181f8
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上下游信息

  • 上游原料
    中文名称 英文名称 CAS号 化学式 分子量
  • 下游产品
    中文名称 英文名称 CAS号 化学式 分子量

反应信息

  • 作为反应物:
    描述:
    原花青素B5 生成 [(2R,3R)-6-[(2R,3R,4S)-3-acetyloxy-2-(3,4-dimethoxyphenyl)-5,7-dimethoxy-3,4-dihydro-2H-chromen-4-yl]-2-(3,4-dimethoxyphenyl)-5,7-dimethoxy-3,4-dihydro-2H-chromen-3-yl] acetate
    参考文献:
    名称:
    KOLODZIEJ, HERBERT, PHYTOCHEMISTRY, 28,(1989) N2, C. 3487-3492
    摘要:
    DOI:
  • 作为产物:
    描述:
    (2R,3R,4R)-2,3-cis-3,4-trans-3,3',4',5,7-pentahydroxy-4-((2R,3S,4S)-2,3-cis-3,4-trans-3,3',4',5,7-pentahydroxy-4-phenylthioflavan-6-yl)flavan 在 W-2 Raney-Ni 作用下, 生成 原花青素B5
    参考文献:
    名称:
    Heterogeneity of interflavanoid bond location in loblolly pine bark procyanidins
    摘要:
    DOI:
    10.1016/s0031-9422(00)80105-3
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文献信息

  • Proanthocyanidins and a phloroglucinol derivative from Rumex acetosa L.
    作者:J. Bicker、F. Petereit、A. Hensel
    DOI:10.1016/j.fitote.2009.08.015
    日期:2009.12
    From the ethyl acetate soluble fraction of an acetone-water extract of the aerial parts of Rumex acetosa L. (Polygonaceae), a variety of monomeric flavan-3-ols (catechin, epicatechin, epicatechin-3-O-gallate), A- and B-type procyanidins and propelargonidins (15 dimers, 7 trimers, 2 tetramers) were isolated with 5 so far unknown natural products. Dimers: procyanidin B1, B2, B3, B4, B5, B7, A2, epia
    从鼠尾草(Polygonaceae)的地上部分的丙酮-水提取物中的乙酸乙酯可溶级分中,可以得到各种单体黄烷-3-醇(儿茶素,表儿茶素,表儿茶素-3-O-没食子酸酯),A- B型原花青素和炔丙基炔醇(15个二聚体,7个三聚体,2个四聚体)与5种迄今未知的天然产物分离。二聚体:原花青素B1,B2,B3,B4,B5,B7,A2,表阿哌齐林-(4beta-> 8)-表儿茶素,表阿哌齐林-(4beta-> 8)-表儿茶素-3-O-没食子酸酯(新的天然产物),Epiafzelechin-(4β-> 6)-表儿茶素-3-O-没食子酸酯(新天然产物),epiafzelechin-3-O-没食子酸酯-(4beta-> 8)-epicatechin-3-O-没食子酸酯,B2 -3'-O-没食子酸酯,B2-3,3'-二-O-没食子酸酯,B5-3'-O-没食子酸酯和B5-3,3'-二-O-没食子酸酯。三聚体:原花青素C1,表阿奇西林-(4beta->
  • 4-Carboxymethyl flavan-3-ols and procyanidins from Davallia divaricata
    作者:Tieh-Horng Hwang、Yoshiki Kashiwada、Gen-ichiro Nonaka、Itsuo Nishioka
    DOI:10.1016/0031-9422(90)89050-j
    日期:1990.1
    Abstract A series of flavan-3-ols and procyanidins, possessing a carboxymethyl group, and a procyanidin tetramer have been isolated from the fern, Davallia divaricata . The structures were characterized on the basis of chemical and spectral evidence.
    摘要 从蕨类植物Davallia divaricata 中分离得到一系列具有羧甲基的黄烷醇和原花青素以及原花青素四聚体。基于化学和光谱证据表征结构。
  • Preparation of Dimeric Procyanidins B1, B2, B5, and B7 from a Polymeric Procyanidin Fraction of Black Chokeberry (Aronia melanocarpa)
    作者:Tuba Esatbeyoglu、Peter Winterhalter
    DOI:10.1021/jf904354n
    日期:2010.4.28
    nucleophiles, such as (+)-catechin or ()-epicatechin. In this way, the polymeric procyanidins are degraded while dimeric procyanidins are formed. During this reaction only dimeric procyanidins are formed that contain ()-epicatechin in the upper unit, that is, B1 [()-EC-4β→8-(+)-C)], B2 [()-EC-4β→8-()-EC], B5 [()-EC-4β→6-()-EC], and B7 [()-EC-4β→6-(+)-C]. The reaction mixtures of the semisynthesis
    半合成方法已用于二聚体原花青素B1,B2,B5和B7的制备形成。作为半合成的原料,使用了来自黑苦莓的聚合原花青素。发现这些聚合物几乎完全由(-)-表儿茶素单元组成。在酸性条件下,聚合物原花青素的类黄酮间键断裂,释放的(-)-表儿茶素可与亲核试剂反应,例如(+)-儿茶素或(-)-表儿茶素。以这种方式,聚合的原花青素被降解,同时形成了二聚的原花青素。在该反应期间,仅形成在上部单元中包含(-)-表儿茶素的二聚原花青素,即B1 [(-)-EC-4β→8-(+)-C)],B2 [(-)-EC -4β→8-(-)-EC],B5 [(-)-EC-4β→6-(-)-EC]和B7 [(-)-EC-4β→6-(+)-C] 。
  • Bioassay-Guided Fractionation of a Leaf Extract from Combretum mucronatum with Anthelmintic Activity: Oligomeric Procyanidins as the Active Principle
    作者:Verena Spiegler、Jandirk Sendker、Frank Petereit、Eva Liebau、Andreas Hensel
    DOI:10.3390/molecules200814810
    日期:——
    Combretum mucronatum Schumach. & Thonn. is a medicinal plant widely used in West African traditional medicine for wound healing and the treatment of helminth infections. The present study aimed at a phytochemical characterization of a hydroalcoholic leaf extract of this plant and the identification of the anthelmintic compounds by bioassay-guided fractionation. An EtOH-H2O (1:1) extract from defatted leaves was partitioned between EtOAc and H2O. Further fractionation was performed by fast centrifugal partition chromatography, RP18-MPLC and HPLC. Epicatechin (1), oligomeric proanthocyanidins (OPC) 2 to 10 (mainly procyanidins) and flavonoids 11 to 13 were identified as main components of the extract. The hydroalcoholic extract, fractions and purified compounds were tested in vitro for their anthelmintic activity using the model nematode Caenorhabditis elegans. The bioassay-guided fractionation led to the identification of OPCs as the active compounds with a dose-dependent anthelmintic activity ranging from 1 to 1000 μM. Using OPC-clusters with a defined degree of polymerization (DP) revealed that a DP ≥ 3 is necessary for an anthelmintic activity, whereas a DP > 4 does not lead to a further increased inhibitory effect against the helminths. In summary, the findings rationalize the traditional use of C. mucronatum and provide further insight into the anthelmintic activity of condensed tannins.
    Combretum mucronatum Schumach. & Thonn.是一种药用植物,在西非传统医学中被广泛用于伤口愈合和治疗蠕虫感染。本研究旨在对该植物的水醇叶提取物进行植物化学鉴定,并通过生物测定指导分馏法鉴定抗蠕虫化合物。脱脂叶片的 EtOH-H2O (1:1) 提取物在 EtOAc 和 H2O 之间分配。通过快速离心分离层析、RP18-MPLC 和 HPLC 进行了进一步分馏。表儿茶素(1)、低聚原花青素(OPC)2 至 10(主要是原花青素)和黄酮类化合物 11 至 13 被鉴定为提取物的主要成分。利用模式线虫秀丽隐杆线虫对水醇提取物、馏分和纯化化合物的驱虫活性进行了体外测试。生物测定指导下的分馏结果表明,OPCs 是活性化合物,具有 1 至 1000 μM 的剂量依赖性驱虫活性。使用具有确定聚合度(DP)的 OPC 簇发现,DP ≥ 3 是抗蠕虫活性的必要条件,而 DP > 4 不会进一步增加对蠕虫的抑制作用。总之,这些发现合理解释了 C. mucronatum 的传统用途,并进一步揭示了缩合单宁的驱虫活性。
  • Thiolysis of birch bark procyanidins: Structural dependence in formation of 2,3-cis-3,4-cis-flavan-4-benzylthioethers from procyanidins
    作者:Herbert Kolodziej
    DOI:10.1016/0031-9422(90)80143-5
    日期:1990.1
    Abstract Thiolytic studies of the birch bark procyanidins, epicatechin-(4β→8)-catechin (B1), epicatechin-(4β→6)-catechin (B7) and epicatechin-(4β→8)-epicatechin-(4β→8)-catechin, provided, in addition to known β-thioethers, evidence for the presence of the first 2,3-cis-3,4-cis-flavan-4-benzylthioethers. Their formation is dependent on the 2,3-stereochemistry of the ‘ower’ terminal flavan unit and apparently
    摘要 桦树皮原花青素、表儿茶素-(4β→8)-儿茶素 (B1)、表儿茶素-(4β→6)-儿茶素 (B7) 和表儿茶素-(4β→8)-表儿茶素-(4β→8) 的硫解研究- 儿茶素,除了已知的 β-硫醚外,还提供了第一个 2,3-cis-3,4-cis-flavan-4-benzylthioethers 存在的证据。它们的形成取决于“下部”末端黄烷单位的 2,3-立体化学,并且显然取决于类黄酮间连接的相对不稳定性。相比之下,表儿茶素-(4β→8)-表儿茶素(B2)、表儿茶素-(4β→6)-表儿茶素(B5)和表儿茶素-(4β→8)-表儿茶素-(4β→8)-表儿茶素(C1),仅提供 2,3-cis-3,4-trans-flavan-4-benzylthioethers。
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