2-(4-(4-pentylcyclohexyl)cyclohexyl)acetaldehyde

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: 2-(4-(4-pentylcyclohexyl)cyclohexyl)acetaldehyde
• 英文别名: 4-(4-Pentylcyclohexyl)cyclohexylacetoaldehyde；2-[4-(4-pentylcyclohexyl)cyclohexyl]acetaldehyde
• 化学式: C₁₉H₃₄O
• 分子量: 278.478
• InChiKey: GPUSOMHBCFYZQM-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  7.3
• 重原子数：
  20
• 可旋转键数：
  7
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.95
• 拓扑面积：
  17.1
• 氢给体数：
  0
• 氢受体数：
  1

反应信息

• 作为反应物：
  描述：

  (4-fluorophenethyl)triphenylphosphonium bromide 、 potassium tert-butylate 、 2-(4-(4-pentylcyclohexyl)cyclohexyl)acetaldehyde 、 乙醚 在 ice 、 silica gel 作用下， 以 四氢呋喃 为溶剂， 反应 7.0h， 以to obtain a mixture (2.0 g, 5.2 mmol) of 1-(4-fluorophenyl)-4-(4-(4-pentylcyclohexyl)cyclohexyl)-2Z-butene with its E-isomer的产率得到1-(4-fluorophenyl)-4-(4-(4-pentylcyclohexyl)cyclohexyl)-2Z-butene
  参考文献：
  名称：

  Cis-1,4-substituted 2-butene derivative

  摘要：

  提供了一种新型液晶化合物，具有一个顺式-1,4-取代的2-丁烯基中间基团，低粘度和宽广的介温范围，该化合物由以下公式表示：##STR1## 其中R.sup.1表示1至10个碳原子的烷基，n表示1或2，X表示氢原子、烷基、卤素原子、氰基、烷氧基、1至3个卤素原子取代的甲基基团或三卤代烷氧基，Y和Y'各自独立表示氢原子或卤素原子。

  公开号：

  US05401434A1

文献信息

• Difluoromethyl ether derivative and process for producing the same
  申请人：CHISSO CORPORATION

  公开号：EP1182186A2

  公开（公告）日：2002-02-27

  The present invention provides a difluoromethyl ether derivative which shows various suitable physical properties as a liquid crystal compound, a liquid crystal composition comprising the compound and a liquid crystal display element containing the composition, and also provides a simple and efficient process for producing the difluoromethyl ether derivative. According to the present invention, the process for producing a difluoromethyl ether derivative represented by Formula (1d): wherein R1 and R2 each independently represent hydrogen, halogen, a cyano group or an alkyl group having 1 to 20 carbon atoms, in which at least one -CH2- may be substituted with -O-, -S-, -CH=CH- or -C≡C- but -O- is not adjacent to another -O-, and in which any hydrogen may be substituted with fluorine; rings A1, A2, A3 and A4 each independently represent a 1,4-cyclohexylene group in which at least one -CH2- may be substituted with -O- or -S-, or a 1,4-phenylene group in which at least one =CH- may be substituted with =N- and at least one hydrogen on the ring may be substituted with fluorine, a cyano group or an alkyl group having 1 to 10 carbon atoms; Z1, Z2, Z3 and Z4 each independently represent a single bond or an alkylene group having 1 to 4 carbon atoms, in which at least one -CH2- may be substituted with -O-, -S-, -CH=CH- or -C≡C- but -O- is not adjacent to another -O-, and in which any hydrogen may be substituted with fluorine; Y1, Y2, Y3 and Y4 each independently represent hydrogen, halogen, a cyano group or an alkyl group having 1 to 10 carbon atoms; and k, l, m and n each independently represent 0 or 1; is characterized by using an α,α-difluorocyclohexylidene derivative represented by Formula (1a): wherein R1, rings A1 and A2, Z1, Z2, k and 1 have the same meanings as defined above; as a starting material.

  本发明提供了一种二氟甲基醚衍生物，其作为液晶化合物具有各种适宜的物理性质，以及包含该化合物的液晶组合物和含有该组合物的液晶显示元件，同时提供了一种简单高效的制备二氟甲基醚衍生物的方法。根据本发明，制备式（1d）所表示的二氟甲基醚衍生物的方法包括使用式（1a）所表示的α，α-二氟环己烯基衍生物作为起始物质，其中R1和R2分别独立地表示氢、卤素、氰基或具有1至20个碳原子的烷基，其中至少一个-CH2-可以被取代为-O-、-S-、-CH=CH-或-C≡C-但-O-不与另一个-O-相邻，并且其中任何氢可以被氟取代；环A1、A2、A3和A4分别独立地表示至少一个-CH2-可以被取代为-O-或-S-的1,4-环己基烷基，或者至少一个=CH-可以被取代为=N-且环上至少一个氢可以被氟、氰基或具有1至10个碳原子的烷基取代的1,4-苯基烷基；Z1、Z2、Z3和Z4分别独立地表示单键或具有1至4个碳原子的烷基，在其中至少一个-CH2-可以被取代为-O-、-S-、-CH=CH-或-C≡C-但-O-不与另一个-O-相邻，并且其中任何氢可以被氟取代；Y1、Y2、Y3和Y4分别独立地表示氢、卤素、氰基或具有1至10个碳原子的烷基；k、l、m和n分别独立地表示0或1。
• Compound having alkyl on benzene ring, liquid crystal composition having the compound, and liquid crystal display device having the liquid crystal composition
  申请人：Sasada Yasuyuki

  公开号：US20060097226A1

  公开（公告）日：2006-05-11

  A compound represented by the following formula (1), a liquid crystal composition containing the compound and a liquid crystal display device containing the composition: all the symbols in the formula (1) are defined in the specification.

  以下是翻译结果： 由以下公式（1）表示的化合物，含有该化合物的液晶组合物以及包含该组合物的液晶显示装置：公式（1）中的所有符号均在规范中定义。
• Cis-1,4-substituted 2-butene derivative
  申请人：Chisso Corporation

  公开号：US05401434A1

  公开（公告）日：1995-03-28

  A novel liquid crystal compound having an intermediate group of a cis-1,4-substituted 2-butenyl group, low viscosity and a broad mesomorphic temperature range is provided, which compound is expressed by the following formula: ##STR1## wherein R.sup.1 represents an alkyl group of 1 to 10 carbon atoms, n represents 1 or 2, X represents a hydrogen atom, an alkyl group, a halogen atom, a cyano group, an alkoxy group, a methyl group substituted by 1 to 3 halogen atom(s) or a trihaloalkoxy group, and Y and Y' each independently represents a hydrogen atom, or a halogen atom.

  提供了一种新型液晶化合物，具有一个顺式-1,4-取代的2-丁烯基中间基团，低粘度和宽广的介温范围，该化合物由以下公式表示：##STR1## 其中R.sup.1表示1至10个碳原子的烷基，n表示1或2，X表示氢原子、烷基、卤素原子、氰基、烷氧基、1至3个卤素原子取代的甲基基团或三卤代烷氧基，Y和Y'各自独立表示氢原子或卤素原子。
• COMPOUND HAVING ALKYL ON BENZENE RING, LIQUID CRYSTAL COMPOSITION HAVING THE COMPOUND, AND LIQUID CRYSTAL DISPLAY DEVICE HAVING THE LIQUID CRYSTAL COMPOSITION
  申请人：SASADA Yasuyuki

  公开号：US20090230356A1

  公开（公告）日：2009-09-17

  A compound represented by the following formula (1), a liquid crystal composition containing the compound and a liquid crystal display device containing the composition: all the symbols in the formula (1) are defined in the specification.

  以下是该公式(1)所代表的化合物、含有该化合物的液晶组合物和含有该组合物的液晶显示器件的简介：公式(1)中的所有符号都在说明书中定义。
• Conjugated enyne derivative and liquid crystal composition
  申请人：CHISSO CORPORATION

  公开号：EP0597701A1

  公开（公告）日：1994-05-18

  Conjugated enyne compounds, which have superior characteristics as L.C. materials and are stable under conventional environments, have the formula: wherein A is 1,4-phenylene or 1,4-cyclohexylene; B,C and D are 1,4-phenylene, 1,4-cyclohexylene, 1,3-dioxane-2,5-diyl, pyridine-2,5-diyl or 1,3-pyrimidine-2,5-diyl; L and M are covalent bond, 1,2-ethylene, oxycarbonyl, carbonyloxy, 1,2-ethenylene, 1,2-ethynylene, oxymethylene or methyleneoxy; n,m and l are 0 or 1; X and Z are H or F; R is fluoroalkyl, alkyl, alkoxy, alkoxyalkyl or alkenyl; Y is alkyl, alkoxy, cyano, halogen, cyanate, alkyl or alkoxy having at least one H replaced by halogen; when n is 0, L is covalent bond; when m or n is 0, M is covalent bond; and m, n and l are not simultaneously 0.

  共轭炔化合物作为 L.C. 材料具有优异的特性，在常规环境下也很稳定，其化学式为 其中 A 是 1，4-亚苯基或 1，4-环己烯；B、C 和 D 是 1，4-亚苯基、1，4-环己烯、1，3-二氧六环-2，5-二基、吡啶-2，5-二基或 1，3-嘧啶-2，5-二基；L 和 M 是共价键、1,2-亚乙基、氧羰基、羰氧基、1,2-乙烯基、1,2-乙炔基、氧亚甲基或亚甲基氧；n、m 和 l 为 0 或 1；X 和 Z 为 H 或 F；R 为氟代烷基、烷基、烷氧基、烷氧基烷基或烯基；Y 为烷基、烷氧基、氰基、卤素、氰酸酯、至少有一个 H 被卤素取代的烷基或烷氧基；当 n 为 0 时，L 为共价键；当 m 或 n 为 0 时，M 为共价键；且 m、n 和 l 不同时为 0。