7,8-dihydroxy-3'-methylisoflavan

• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 异黄酮类化合物
• 英文名称: 7,8-dihydroxy-3'-methylisoflavan
• 英文别名: HIR-309；3,4-dihydro-7,8-dihydroxy-3-(3-methylphenyl)-2H-1-benzopyran；3-(3-methylphenyl)-3,4-dihydro-2H-chromene-7,8-diol
• 化学式: C₁₆H₁₆O₃
• 分子量: 256.301
• InChiKey: PHLLTOYGGHVCAQ-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.3
• 重原子数：
  19
• 可旋转键数：
  1
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.25
• 拓扑面积：
  49.7
• 氢给体数：
  2
• 氢受体数：
  3

反应信息

• 作为产物：
  描述：

  邻苯三酚 在 盐酸 、 硫酸 、 palladium 10% on activated carbon 、 三氟化硼乙醚 、 水 、 氢气 、 甲基磺酰氯 、 zinc(II) chloride 作用下， 以 乙醚 、 溶剂黄146 为溶剂， 反应 16.0h， 生成 7,8-dihydroxy-3'-methylisoflavan
  参考文献：
  名称：

  异黄酮和异黄酮作为人类12和15脂氧合酶的强抑制剂的体外研究

  摘要：

  在这项研究中，我们研究了16种异黄酮和异黄酮衍生物作为人类脂氧合酶的潜在抑制剂（血小板12-脂氧合酶，网状细胞15-脂氧合酶-1和上皮15-脂氧合酶-2）。类黄酮黄ical素（一种已知的脂加氧酶抑制剂）用作阳性对照。四种化合物，6,7-二羟基-3'-氯异黄酮（1c），7-羟基-8-甲基-4'-氯异黄酮（5a），7,8-二羟基-4'-甲基异黄酮（5b）和7， 8-dihydroxy-3'methylisoflavan（5c）是有效的12-lipoxygenases和15-lipoxygenase-1的抑制剂，IC 50小于10μm，而6,7-dihydroxy-4-4'-nitroisoflavone（1b）是12-脂氧合酶的选择性抑制剂。对三种最佳抑制剂（1b，5b，5c）进行了对接研究，抗氧化剂测定和动力学测量。结果表明，环A中的邻苯二酚基团对于这些化合物的抗氧化性能至关重要，并且可能对

  DOI：

  10.1111/cbdd.12157

文献信息

• <i>In Vitro</i>Study of Isoflavones and Isoflavans as Potent Inhibitors of Human 12- and 15-Lipoxygenases
  作者：Carolina Mascayano、Victoria Espinosa、Silvia Sepúlveda-Boza、Eric K. Hoobler、Steve Perry

  DOI：10.1111/cbdd.12157

  日期：2013.9

  In this study, we have investigated 16 isoflavone and isoflavan derivatives as potential inhibitors of human lipoxygenase (platelet 12‐lipoxygenase, reticulocyte 15‐lipoxygenase‐1, and epithelial 15‐lipoxygenase‐2). The flavonoid baicalein, a known lipoxygenase inhibitor, was used as positive control. Four compounds, 6,7‐dihydroxy‐3′‐chloroisoflavone (1c), 7‐hydroxy‐8‐methyl‐4′‐chloroisoflavan (5a)

  在这项研究中，我们研究了16种异黄酮和异黄酮衍生物作为人类脂氧合酶的潜在抑制剂（血小板12-脂氧合酶，网状细胞15-脂氧合酶-1和上皮15-脂氧合酶-2）。类黄酮黄ical素（一种已知的脂加氧酶抑制剂）用作阳性对照。四种化合物，6,7-二羟基-3'-氯异黄酮（1c），7-羟基-8-甲基-4'-氯异黄酮（5a），7,8-二羟基-4'-甲基异黄酮（5b）和7， 8-dihydroxy-3'methylisoflavan（5c）是有效的12-lipoxygenases和15-lipoxygenase-1的抑制剂，IC 50小于10μm，而6,7-dihydroxy-4-4'-nitroisoflavone（1b）是12-脂氧合酶的选择性抑制剂。对三种最佳抑制剂（1b，5b，5c）进行了对接研究，抗氧化剂测定和动力学测量。结果表明，环A中的邻苯二酚基团对于这些化合物的抗氧化性能至关重要，并且可能对
• Benzopyrans and use thereof in treating vascular diseases
  申请人：Zyma SA

  公开号：US04814346A1

  公开（公告）日：1989-03-21

  Isoflavans of the formula I ##STR1## wherein the groups OR, R', R" and ring B are as defined in the specification, exhibit valuable pharmacological properties, especially for the treatment of vascular diseases. They are prepared by methods known per se.

  式I中的异黄酮##STR1##其中OR，R'，R"和环B的基团如规范所定义，表现出有价值的药理特性，特别是用于治疗血管疾病。它们是通过已知的方法制备的。
• ISOFLAVANS DERIVATIVES AS INHIBITORS OF SOYBEAN LIPOXYGENASE: IN-VITRO AND DOCKING STUDIES
  作者：CAROLINA MASCAYANO、MARCOS CAROLI REZENDE、YENIFER RIVERA、VICTORIA ESPINOSA

  DOI：10.4067/s0717-97072011000400024

  日期：——

  The lipoxygenases (LOX) are a family of non-heme iron-containing dioxygenases which catalyze the stereospecific insertion of molecular oxygen lino arachidonic acid, leading to hydroxy derivatives as end products. In this work, we studied the behavior of seven isoflavans on 15-soybean lipoxygenases (15-sLOX), comparing them with the known inhibitors quercetin and 3,4-dihydroxybenzoic acid. Four of the seven investigated isoflavans showed IC50 values smaller than 50 mu M, being more potent than quercetin or 3, 4-dihydroxybenzoic acid. Besides a catecholic pattern, the presence of an aromatic ring B seems to confer additional activity to these compounds, a result which was rationalized by docking studies of these isoflavanss into the enzyme binding site.
• US4814346A
  申请人：——

  公开号：US4814346A

  公开（公告）日：1989-03-21
• Enzymatic Studies of Isoflavonoids as Selective and Potent Inhibitors of Human Leukocyte 5-Lipo-Oxygenase
  作者：Carolina Mascayano、Victoria Espinosa、Silvia Sepúlveda-Boza、Eric K. Hoobler、Steve Perry、Giovanni Diaz、Theodore R. Holman

  DOI：10.1111/cbdd.12469

  日期：2015.7

  Continuing our search to find more potent and selective 5‐LOX inhibitors, we present now the enzymatic evaluation of seventeen isoflavones (IR) and nine isoflavans (HIR), and their in vitro and in cellulo potency against human leukocyte 5‐LOX. Of the 26 compounds tested, 10 isoflavones and 9 isoflavans possessed micromolar potency, but only three were selective against 5‐LOX (IR‐2, HIR‐303, and HIR‐309), with IC50 values at least 10 times lower than those of 12‐LOX, 15‐LOX‐1, and 15‐LOX‐2. Of these three, IR‐2 (6,7‐dihydroxy‐4‐methoxy‐isoflavone, known as texasin) was the most selective 5‐LOX inhibitor, with over 80‐fold potency difference compared with other isozymes; Steered Molecular Dynamics (SMD) studies supported these findings. The presence of the catechol group on ring A (6,7‐dihydroxy versus 7,8‐dihydroxy) correlated with their biological activity, but the reduction of ring C, converting the isoflavones to isoflavans, and the substituent positions on ring B did not affect their potency against 5‐LOX. Two of the most potent/selective inhibitors (HIR‐303 and HIR‐309) were reductive inhibitors and were potent against 5‐LOX in human whole blood, indicating that isoflavans can be potent and selective inhibitors against human leukocyte 5‐LOX in vitro and in cellulo.