Cyclopentyl-n-pentylketon | 50395-66-9

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: Cyclopentyl-n-pentylketon
• 英文别名: 1-Cyclopentylhexan-1-one
• CAS: 50395-66-9
• 化学式: C₁₁H₂₀O
• 分子量: 168.279
• InChiKey: ASAKGOOHLHKKEQ-UHFFFAOYSA-N

物化性质

• 沸点：
  77-79 °C(Press: 0.9 Torr)
• 密度：
  0.904±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  3.33
• 重原子数：
  12.0
• 可旋转键数：
  5.0
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.91
• 拓扑面积：
  17.07
• 氢给体数：
  0.0
• 氢受体数：
  1.0

反应信息

• 作为产物：
  描述：

  Lithium;tricyclopentyl(hex-1-ynyl)boranuide 生成 Cyclopentyl-n-pentylketon
  参考文献：
  名称：

  炔基三烷基硼酸盐的烷基化和质子化-一种制备酮的新通用方法

  摘要：

  末端炔烃（R 2 C CH）可以通过烷基三烷基硼酸锂盐的烷基化或质子化反应再转化为酮（R 2 R 3 CHCOR 1），这是通向特定取代的酮的一般路线，也是炔烃化学的主要延伸。

  DOI：

  10.1039/c39730000544

文献信息

• PROCESS FOR PREPARATION OF NORBORNENE DERIVATIVES
  申请人：JX Nippon Oil & Energy Corporation

  公开号：EP2444386A1

  公开（公告）日：2012-04-25

  A method for producing a norbornene derivative, comprising: a first step of forming a Mannich base by reacting a carbonyl compound and an amine compound with each other in an acidic solvent, to thereby obtain a reaction liquid comprising the Mannich base in the acidic solvent, the acidic solvent comprising a formaldehyde derivative and 0.01 mol/L or more of an acid represented by the formula: HX (In the formula, X represents F or the like), the carbonyl compound being represented by any of the following general formulae (1) to (3): [in formulae (1) to (3), R1, R2, R3, R4, R5, and R6 each independently represent a hydrogen atom or the like, and n represents an integer of any of 0 to 4], the amine compound being represented by the following general formula (4): [in the formula (4), R7S each independently represent a linear chain saturated hydrocarbon group having 1 to 20 carbon atoms or the like, and X- represents F- or the like], the Mannich base being represented by any of the following general formulae (5) to (7): [R1, R2, R3, R4, R5, R6, and n in the formulae (5) to (7) have the same meanings as those of R1, R2, R3, R4, R5, R6, and n in the formulae (1) to (3), and R7 and X- in the formulae (5) to (7) have the same meanings as those of R7 and X- in the formula (4)] and a second step of reacting the Mannich base and a diene compound with each other by adding an organic solvent, a base in an amount of 1.0 to 20.0 equivalents to the acid, and the diene compound to the reaction liquid, and then heating the reaction liquid, to thereby form a norbornene derivative, the diene compound being represented by the following general formula (8): [in the formula (8), R8 represents a hydrogen atom or the like], the norbornene derivative being represented by any of the following general formulae (9) to (11): [R1, R2, R3, R4, R5, R6, and n in the formulae (9) to (11) have the same meanings as those of R1, R2, R3, R4, R5, R6, and n in the formulae (1) to (3), and R8 in the formulae (9) to (11) has the same meaning as that of R8 in the formula (8)].

  一种制备去氢莰烯衍生物的方法，包括以下步骤：第一步，在酸性溶剂中使羰基化合物和胺基化合物反应，形成曼尼希碱，从而在酸性溶剂中获得包含曼尼希碱的反应液，所述酸性溶剂包括甲醛衍生物和代表为HX的酸，其中HX中的X代表F或类似物，所述羰基化合物由以下通式（1）至（3）中的任一通式表示：[在通式（1）至（3）中，R1、R2、R3、R4、R5和R6各自独立地代表氢原子或类似物，n代表0至4中的任一整数]，所述胺基化合物由以下通式（4）表示：[在通式（4）中，R7S各自独立地代表具有1至20个碳原子或类似物的线性链饱和碳氢基团，X-代表F-或类似物]，所述曼尼希碱由以下通式（5）至（7）中的任一通式表示：[在通式（5）至（7）中，R1、R2、R3、R4、R5、R6和n的含义与通式（1）至（3）中的R1、R2、R3、R4、R5、R6和n的含义相同，通式（5）至（7）中的R7和X-的含义与通式（4）中的R7和X-的含义相同]；第二步，通过向反应液中加入有机溶剂、相当于酸的1.0至20.0当量的碱和二烯化合物，然后加热反应液，使曼尼希碱与二烯化合物发生反应，从而形成去氢莰烯衍生物，所述二烯化合物由以下通式（8）表示：[在通式（8）中，R8代表氢原子或类似物]，所述去氢莰烯衍生物由以下通式（9）至（11）中的任一通式表示：[在通式（9）至（11）中，R1、R2、R3、R4、R5、R6和n的含义与通式（1）至（3）中的R1、R2、R3、R4、R5、R6和n的含义相同，通式（9）至（11）中的R8的含义与通式（8）中的R8的含义相同]。
• METHOD FOR PRODUCING NORBORNENE DERIVATIVE
  申请人：Komatsu Shinichi

  公开号：US20120108851A1

  公开（公告）日：2012-05-03

  A method for producing a norbornene derivative includes forming a Mannich base represented by any of general formulae (5) to (7) by reacting a carbonyl compound represented by any of general formulae (1) to (3) and an amine compound represented by general formula (4) with each other in an acidic solvent, to thereby obtain a reaction liquid comprising the Mannich base in the acidic solvent, wherein the acidic solvent comprises a formaldehyde derivative and 0.01 mol/L or more of an acid represented by formula HX; reacting the Mannich base and a diene compound represented by general formula (8) with each other by adding an organic solvent, a base in an amount of 1.0 to 20.0 equivalents to the acid, and the diene compound to the reaction liquid, and then heating the reaction liquid, to thereby form the norbornene derivative represented by any of general formulae (9) to (11).

  一种制备诺博烯衍生物的方法，包括通过在酸性溶剂中反应通式（1）到（3）中的酮类化合物和通式（4）中的胺类化合物，以形成通式（5）到（7）中的曼尼希碱基，从而在酸性溶剂中获得包含曼尼希碱基的反应液，其中酸性溶剂包括福尔马林衍生物和0.01摩尔/升或更多的通式HX的酸；通过向反应液中添加有机溶剂、1.0到20.0当量的碱和通式（8）中的二烯化合物，并加热反应液，使曼尼希碱基和二烯化合物相互反应，从而形成通式（9）到（11）中表示的诺博烯衍生物。
• A general and stereospecific synthesis of trans-alkenes and regiospecific synthesis of ketones via stepwise hydroboration
  作者：Herbert C. Brown、D. Basavaiah、Surendra U. Kulkarni

  DOI：10.1021/jo00140a056

  日期：1982.9
• Vinylic organoboranes. 6. A general synthesis of (E)-disubstituted-alkenes or ketones via the (E)-(1-substituted-1-alkenyl)boronic esters
  作者：Herbert C. Brown、D. Basavaiah、Surendra U. Kulkarni、Hsiupu D. Lee、Eiichi Negishi、Jean Jacques Katz

  DOI：10.1021/jo00376a041

  日期：1986.12
• A general synthesis of B-(cis-1-bromo-1-alkenyl)dialkylboranes. Valuable intermediates for the synthesis of ketones, trans alkenes and trisubstituted alkenes
  作者：Herbert C. Brown、D. Basavaiah

  DOI：10.1021/jo00343a037

  日期：1982.2