2,4-Diethyl-9H-xanthen-9-one | 117283-60-0

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 苯并吡喃
• 英文名称: 2,4-Diethyl-9H-xanthen-9-one
• 英文别名: 2,4-diethylxanthen-9-one
• CAS: 117283-60-0
• 化学式: C₁₇H₁₆O₂
• 分子量: 252.31
• InChiKey: KODNTHAUOGOFJY-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.6
• 重原子数：
  19
• 可旋转键数：
  2
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.24
• 拓扑面积：
  26.3
• 氢给体数：
  0
• 氢受体数：
  2

文献信息

• Acid- and radical-generating agent and method for generating acid and radical
  申请人：FUJIFILM Wako Pure Chemical Corporation

  公开号：US10451967B2

  公开（公告）日：2019-10-22

  It is a subject of the present invention to provide an acid- and radical-generating agent which has high sensitivity to an active energy ray having a wavelength of around 300 to 450 nm, and can exert both high acid-generating performance and high radical-generating performance, and has heat resistance; and a method for generating an acid and a radical. The present invention relates to a compound represented by the general formula (A); an acid- and radical-generating agent comprising the compound; and a method for generating an acid and a radical: wherein n pieces of R1 each independently represent an alkyl group, which may have a specific functional group in the chain, or in which a hydrogen atom may be substituted by a halogen atom; an alkoxy group, in which a hydrogen atom may be substituted by a halogen atom; an aryl group or an aryloxy group, in which a hydrogen atom may be substituted by a halogen atom, an alkyl group or a haloalkyl group; or an arylalkyl group or an arylalkyloxy group, in which a hydrogen atom may be substituted by a halogen atom, an alkyl group or a haloalkyl group; n pieces of R2 and R3 each independently represent a hydrogen atom, an alkyl group or an alkoxycarbonyl group; R4 to R7 each independently represent a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an alkenyl group, an aryl group, an alkoxycarbonyl group, a dialkylamino group or a nitro group; Y represents an oxygen atom, a sulfur atom, or a carbonyl group; n pieces of Z each independently represent a sulfonyl group or an alkoxyphosphoryl group; n represents 1 or 2.

  本发明的一个目的是提供一种对波长约为300至450纳米的活性能量射线具有高灵敏度的酸和自由基生成剂，能够发挥高酸生成性能和高自由基生成性能，并具有耐热性；以及一种生成酸和自由基的方法。本发明涉及一种由通式（A）表示的化合物；包括该化合物的酸和自由基生成剂；以及生成酸和自由基的方法：其中n个R1分别独立表示一种烷基基团，该烷基基团可能在链中具有特定的功能基团，或者氢原子可能被卤原子取代；一种烷氧基团，其中氢原子可能被卤原子取代；一种芳基或芳氧基，其中氢原子可能被卤原子，烷基或卤代烷基取代；或一种芳基烷基或芳基氧基，其中氢原子可能被卤原子，烷基或卤代烷基取代；n个R2和R3分别独立表示氢原子，烷基基团或烷氧羰基团；R4到R7分别独立表示氢原子，卤原子，烷基基团，烷氧基团，烯基基团，芳基，烷氧羰基团，二烷基氨基团或硝基；Y表示氧原子，硫原子或羰基；n个Z分别独立表示磺酰基或烷氧基磷酰基；n表示1或2。
• POLYMERIZABLE POLAR COMPOUND, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE
  申请人：JNC CORPORATION

  公开号：US20200190016A1

  公开（公告）日：2020-06-18

  Provide is a polar compound having high chemical stability, high capability of aligning liquid crystal molecules, high solubility in a liquid crystal composition, and a large voltage holding ratio when the compound is used in a liquid crystal display device. A compound represented by formula (1) is applied. For example, in formula (1), P 1 is any one of formulas (1b) to (1i), Sp is a single bond, Z is —COO—, and A is 1,4-phenylene.

  提供的是极性化合物，具有高化学稳定性、高液晶分子排列能力、在液晶组合物中高溶解度，以及当该化合物用于液晶显示装置时具有较大的电压保持比。应用了由式（1）表示的化合物。例如，在式（1）中，P1是式（1b）到（1i）中的任意一种，Sp是单键，Z是—COO—，A是1,4-苯基。
• LIQUID CRYSTAL COMPOUND HAVING CYCLOHEXENE RING, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE
  申请人：JNC CORPORATION

  公开号：US20160280997A1

  公开（公告）日：2016-09-29

  A problem is to provide a liquid crystal compound satisfying at least one physical property such as high stability to heat and light, a high clearing point, low minimum temperature of liquid crystal phase, small viscosity, suitable optical anisotropy, large dielectric anisotropy, suitable elastic constant and excellent compatibility with other liquid crystal compounds, a liquid crystal composition containing the compound and a liquid crystal display device including the composition. A solution is a compound represented by formula (1). R 1 is alkyl having 1 to 10 carbons, rings A 1 , A 3 and A 4 are independently 1,4-phenylene, ring A 2 is a divalent group represented by any one of formulas (Ch), (Cx) and (ch). Z 1 , Z 2 , Z 3 and Z 4 are a single bond, X 1 is fluorine, L 1 and L 2 are fluorine, a, b and c are independently 0 or 1, and a sum of a, b and c is 0 or 1, for example.

  问题是提供一种液晶化合物，满足至少一种物理性质，如高热稳定性和耐光性、高清晰点、液晶相的低最低温度、低粘度、适当的光学各向异性、大介电各向异性、适当的弹性常数以及与其他液晶化合物的优良兼容性，一种含有该化合物的液晶组合物和包括该组合物的液晶显示装置。解决方案是由式（1）表示的化合物。R1是具有1到10个碳的烷基，环A1、A3和A4分别是1,4-苯撑，环A2是由任一式（Ch）、（Cx）和（ch）中的任一式表示的二价基团。Z1、Z2、Z3和Z4是单键，X1是氟，L1和L2是氟，a、b和c分别独立地为0或1，a、b和c的总和为0或1，例如。
• PIPERIDINE DERIVATIVE, LIQUID CRYSTAL COMPOSITION, AND LIQUID CRYSTAL DISPLAY ELEMENT
  申请人：JNC CORPORATION

  公开号：US20160289189A1

  公开（公告）日：2016-10-06

  To provide a compound having an effect for preventing photolysis of a liquid crystal composition, and having a high solubility in the liquid crystal composition, a liquid crystal composition containing the compound, and a liquid crystal display device including the composition. The compound is represented by formula (1), the liquid crystal composition contains the compound, and the liquid crystal display device includes the composition. In formula (1), R 1 , R 2 , R 3 and R 4 are independently hydrogen or alkyl having 1 to 4 carbons; ring A 1 and ring A 2 are independently 1,4-cyclohexylene, 1,4-phenylene or the like; Z 1 , Z 2 and Z 3 are independently a single bond, alkylene or the like; and n is 0, 1 or 2.

  为了提供一种具有防止液晶组分光解作用的效果，并且在液晶组分中具有高溶解度的化合物，提供了一种含有该化合物的液晶组合物和包含该组合物的液晶显示装置。该化合物由式（1）表示，液晶组合物中含有该化合物，液晶显示装置包括该组合物。在式（1）中，R1、R2、R3和R4分别独立表示氢或具有1至4个碳的烷基；环A1和环A2独立表示1,4-环己烯基、1,4-苯基或类似物；Z1、Z2和Z3独立表示单键、烷基或类似物；n为0、1或2。
• LIQUID CRYSTAL COMPOUND HAVING BENZOTHIOPHENE, LIQUID CRYSTAL COMPOSITION AND LIQUID CRYSTAL DISPLAY DEVICE
  申请人：JNC CORPORATION

  公开号：US20180290997A1

  公开（公告）日：2018-10-11

  A compound, represented by formula (1): In formula (1), R 1 is hydrogen, alkyl or the like; ring A 1 and ring A 2 are independently 1,4-cyclohexylene, 1,4-phenylene or the like; Z 1 , Z 2 and Z 3 are independently a single bond, —C≡C— or the like; L 1 , L 2 and L 3 are independently hydrogen, chlorine or fluorine; and a and b are independently 0, 1, 2, 3 or 4, and a sum of a and b is 4 or less.

  一种化合物，由公式（1）表示：在公式（1）中，R1是氢、烷基或类似物；环A1和环A2分别为1,4-环己亚甲基、1,4-苯亚甲基或类似物；Z1、Z2和Z3分别为单键、—C≡C—或类似物；L1、L2和L3分别为氢、氯或氟；a和b分别独立取0、1、2、3或4，且a和b之和不超过4。