2-methoxy-5-(3,4,5-trimethoxyphenyl)phenol | 138958-68-6

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: 2-methoxy-5-(3,4,5-trimethoxyphenyl)phenol
• 英文别名: 4,3',4',5'-tetramethoxybiphenyl-3-ol
• CAS: 138958-68-6
• 化学式: C₁₆H₁₈O₅
• 分子量: 290.316
• InChiKey: LSUQJGASNCSRNF-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.1
• 重原子数：
  21
• 可旋转键数：
  5
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.25
• 拓扑面积：
  57.2
• 氢给体数：
  1
• 氢受体数：
  5

反应信息

• 作为产物：
  描述：

  1-溴-3,4,5-三甲氧基苯 在 氢氧化钾 、 四(三苯基膦)钯 、 正丁基锂 、 硼酸三甲酯 、 碳酸氢钠 、 间氯过氧苯甲酸 作用下， 以 甲醇 、 二氯甲烷 为溶剂， 反应 19.0h， 生成 2-methoxy-5-(3,4,5-trimethoxyphenyl)phenol
  参考文献：
  名称：

  Synthesis of alkoxy-substituted diaryl compounds and correlation of ring separation with inhibition of tubulin polymerization: differential enhancement of inhibitory effects under suboptimal polymerization reaction conditions

  摘要：

  A number of cytostatic compounds (2-4, 7, and 8), which can be described as ''diaryl'', inhibit tubulin polymerization, cause cells to accumulate in mitotic arrest, and competitively inhibit the binding of colchicine to tubulin. They differ, however, in the separation of the two aryl moieties. To attempt to understand this variability we prepared a series of analogues modeled on 3 and 4 (''benzodioxole series'') and on 7 and 8 (''combretastatin series'') which differed only in the number of methylene units (ranging from none to four) separating the aryl moieties. These compounds were evaluated for their effects on tubulin polymerization, colchicine binding, and the growth of L1210 murine leukemia cells. In terms of inhibitory effects on tubulin polymerization, for the combretastatin series there was an optimal separation of the two phenyl rings by a two-carbon bridge (compound 24), with progressively decreasing inhibitory activity when the separation was by one carbon (20), three carbons (25), or four carbons (28) (the biphenyl analogue 16 was inactive). The benzodioxole series, however, did not permit us to generalize this finding, because the least active agents prepared (39 and 40) had a two-carbon bridge, while those with one- (5 and 6) and three-carbon (46 and 47) bridges were nearly equivalent in potency. Submicromolar IC50 values for inhibition of L1210 cell growth were only obtained for compounds 20 (IC50, 0.2-mu-M), 24 (0.07-mu-M), and 25 (0.4-mu-M). While evaluating the effects of these agents on tubulin polymerization, we noted with the combretastatin series and with several standard agents that apparent potency (in terms of IC50 values) was always lower if the reaction was performed at 30-degrees-C, with 0.25 mM MgCl2, than at 37-degrees-C, with 1.0 mM MgCl2. This enhancement of IC50 values in the former system as compared with the latter was particularly dramatic for the less active agents (e.g., 28) as compared with the more active (e.g. 24).

  DOI：

  10.1021/jm00084a011

文献信息

• One step entry to P,O- and P,N-type heterocyclic tertiary phosphine ligands and application in Suzuki–Miyaura cross-coupling reactions
  作者：Ehsan Ullah、James McNulty、Christine Kennedy、Al Robertson

  DOI：10.1039/c1ob05426k

  日期：——

  A direct synthesis of conformationally mobile P,O- and P,N-type heterocyclic phosphine ligands is described involving radical-mediated addition of diisobutylphosphine to olefinic-heterocycles. Palladium complexes of the P,N-ligand were determined to be highly active in the Suzuki-Miyaura cross-coupling reactions, including deactivated aryl chlorides.

  描述了构象可移动的P，O-和P，N-型杂环膦配体的直接合成，包括自由基介导的二异丁基膦加成至烯烃-杂环。经测定，P，N-配体的钯配合物在Suzuki-Miyaura交叉偶联反应（包括失活的芳基氯化物）中具有很高的活性。
• Synthesis of alkoxy-substituted diaryl compounds and correlation of ring separation with inhibition of tubulin polymerization: differential enhancement of inhibitory effects under suboptimal polymerization reaction conditions
  作者：Zelleka Getahun、Leonard Jurd、Ping S. Chu、Chii M. Lin、Ernest Hamel

  DOI：10.1021/jm00084a011

  日期：1992.3

  A number of cytostatic compounds (2-4, 7, and 8), which can be described as ''diaryl'', inhibit tubulin polymerization, cause cells to accumulate in mitotic arrest, and competitively inhibit the binding of colchicine to tubulin. They differ, however, in the separation of the two aryl moieties. To attempt to understand this variability we prepared a series of analogues modeled on 3 and 4 (''benzodioxole series'') and on 7 and 8 (''combretastatin series'') which differed only in the number of methylene units (ranging from none to four) separating the aryl moieties. These compounds were evaluated for their effects on tubulin polymerization, colchicine binding, and the growth of L1210 murine leukemia cells. In terms of inhibitory effects on tubulin polymerization, for the combretastatin series there was an optimal separation of the two phenyl rings by a two-carbon bridge (compound 24), with progressively decreasing inhibitory activity when the separation was by one carbon (20), three carbons (25), or four carbons (28) (the biphenyl analogue 16 was inactive). The benzodioxole series, however, did not permit us to generalize this finding, because the least active agents prepared (39 and 40) had a two-carbon bridge, while those with one- (5 and 6) and three-carbon (46 and 47) bridges were nearly equivalent in potency. Submicromolar IC50 values for inhibition of L1210 cell growth were only obtained for compounds 20 (IC50, 0.2-mu-M), 24 (0.07-mu-M), and 25 (0.4-mu-M). While evaluating the effects of these agents on tubulin polymerization, we noted with the combretastatin series and with several standard agents that apparent potency (in terms of IC50 values) was always lower if the reaction was performed at 30-degrees-C, with 0.25 mM MgCl2, than at 37-degrees-C, with 1.0 mM MgCl2. This enhancement of IC50 values in the former system as compared with the latter was particularly dramatic for the less active agents (e.g., 28) as compared with the more active (e.g. 24).