(C6F5)B(acetate)(C6F4P(tBu)2CH2) | 1254689-44-5

• 英文名称: (C6F5)B(acetate)(C6F4P(tBu)2CH2)
• CAS: 1254689-44-5
• 化学式: C₂₃H₂₃BF₉O₂P
• 分子量: 544.205
• InChiKey: FCTGFFIEXMSTBX-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
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• 重原子数：
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• 可旋转键数：
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• 环数：
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• sp3杂化的碳原子比例：
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• 拓扑面积：
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• 氢给体数：
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• 氢受体数：
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反应信息

• 作为产物：
  描述：

  乙氧基[双(五氟苯基)]硼烷 在 盐酸 作用下， 以 乙醚 、 甲苯 、 苯 为溶剂， 反应 84.0h， 生成 (C6F5)B(acetate)(C6F4P(tBu)2CH2)
  参考文献：
  名称：

  Rigid, Fluoroarene-Containing Phosphonium Borates and Boranes: Syntheses and Reactivity Studies

  摘要：

  The reaction of (C6F5)(2)B(OEt) with (Bu2P)-Bu-t(CH2Li) yields the cyclic phosphonium ethoxyborate (C6F5)(OEt)B(CH2)(C6F4)(PBu2)-Bu-t ([1]OEt) via B-C adduct formation and ortho-fluoride substitution. Treatment of [1]OEt with HCl in Et2O gives the chloroborate [1]Cl in almost quantitative yield. The reaction of [1]Cl with Li[AlH4] leads not only to the reduction of the B-Cl bond but also to the selective substitution of one fluorine atom on the tetrafluorophenylene bridge ([4]H). [1]Cl is readily transformed into [1]F, [1]OAc, and [1]OTf upon reaction with Tl[PF6], AgOAc, and AgOTf, respectively (OAc = acetate; OTf = triflate). [1]OTf represents a convenient storage form of [1](+), because its B-O bond is highly labile. The free Lewis acid [1](+) was prepared in the form of its aluminate salt [1](+)[Al((OBuF)-Bu-t)4](-). The phenyl derivative of [1]OEt, (C6H5)(OEt)B(CH2)(C6F4)1)(PBu2)-Bu-t ([5]OEt), is also accessible and serves as starting material for the preparation of [5]Cl and [5](+)[Al((OBuF)-Bu-t)(4)](-).

  DOI：

  10.1021/om100776k