4-Methoxy-2-methylene-3-phenyl-butan-1-ol | 204335-17-1

• 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: 4-Methoxy-2-methylene-3-phenyl-butan-1-ol
• CAS: 204335-17-1
• 化学式: C₁₂H₁₆O₂
• 分子量: 192.258
• InChiKey: BGHDYUMVYNSMFN-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.97
• 重原子数：
  14.0
• 可旋转键数：
  5.0
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.33
• 拓扑面积：
  29.46
• 氢给体数：
  1.0
• 氢受体数：
  2.0

反应信息

• 作为反应物：
  描述：

  4-Methoxy-2-methylene-3-phenyl-butan-1-ol 在 indium 、 N-溴代丁二酰亚胺(NBS) 、 三苯基膦 作用下， 以 二氯甲烷 、 水 为溶剂， 反应 1.0h， 生成 7-methoxy-2-methyl-5-methylidene-6-phenylheptan-3-ol
  参考文献：
  名称：

  Effective 1,4-Asymmetric C−C/C−O Stereoinduction in Indium-Promoted Coupling Reactions of Aldehydes to Protected and Unprotected [1-(Bromomethyl)vinyl] Alkanols. The Status of Intramolecular Chelation within Functionalized Allylindium Reagents

  摘要：

  The stereochemistry of the coupling reactions of oxygen-substituted bromides 8-10 with isobutyraldehyde, benzaldehyde, and cyclohexanecarboxaldehyde in water is described. The examples involving the O-silylated derivatives 8 exhibit moderate anti stereoselectivity. In contrast, rather high (most often in excess of 80:20) syn diastereofacial bias is observed when hydroxy bromides 10 are involved. Consequently, stereocontrolled 1,4-asymmetric induction under aqueous conditions can be realized in either direction on demand. These results are considered to reflect the fact that the siloxy systems enter into C-C bond formation via conventional Felkin-Anh transition state arrangements. The crossover observed for the unprotected analogues is believed to be a consequence of the preferred adoption of chelated transition states, these interactions likely being fundamental to aqueous organometallic chemistry.

  DOI：

  10.1021/jo9715534
• 作为产物：
  描述：

  2-(羟基苯基甲基)-丙烯酸甲酯 在 咪唑 、 indium 、 N-溴代丁二酰亚胺(NBS) 、 二甲基硫 、 二异丁基氢化铝 作用下， 以 四氢呋喃 、 正己烷 、 二氯甲烷 、 水 为溶剂， 反应 41.0h， 生成 4-Methoxy-2-methylene-3-phenyl-butan-1-ol
  参考文献：
  名称：

  Effective 1,4-Asymmetric C−C/C−O Stereoinduction in Indium-Promoted Coupling Reactions of Aldehydes to Protected and Unprotected [1-(Bromomethyl)vinyl] Alkanols. The Status of Intramolecular Chelation within Functionalized Allylindium Reagents

  摘要：

  The stereochemistry of the coupling reactions of oxygen-substituted bromides 8-10 with isobutyraldehyde, benzaldehyde, and cyclohexanecarboxaldehyde in water is described. The examples involving the O-silylated derivatives 8 exhibit moderate anti stereoselectivity. In contrast, rather high (most often in excess of 80:20) syn diastereofacial bias is observed when hydroxy bromides 10 are involved. Consequently, stereocontrolled 1,4-asymmetric induction under aqueous conditions can be realized in either direction on demand. These results are considered to reflect the fact that the siloxy systems enter into C-C bond formation via conventional Felkin-Anh transition state arrangements. The crossover observed for the unprotected analogues is believed to be a consequence of the preferred adoption of chelated transition states, these interactions likely being fundamental to aqueous organometallic chemistry.

  DOI：

  10.1021/jo9715534