2,6-二-叔丁基-4-壬苯酚 | 4306-88-1

• 物质功能分类: 有机原料 - 醇、酚、酚醇类化合物及衍生物 - 酚及其卤化、磺化、硝化或亚硝化衍生物
• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 中文名称: 2,6-二-叔丁基-4-壬苯酚
• 英文名称: Phenol, 2,6-bis(1,1-dimethylethyl)-4-nonyl-
• 英文别名: 2,6-ditert-butyl-4-nonylphenol
• CAS: 4306-88-1
• 化学式: C₂₃H₄₀O
• 分子量: 332.6
• InChiKey: VQQLTEBUMLSLFJ-UHFFFAOYSA-N

物化性质

• 沸点：
  389.6±11.0 °C(Predicted)
• 密度：
  0.899±0.06 g/cm3(Predicted)
• LogP：
  6.5 at 20℃
• 物理描述：
  Liquid

计算性质

• 辛醇/水分配系数(LogP)：
  9.5
• 重原子数：
  24
• 可旋转键数：
  10
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.74
• 拓扑面积：
  20.2
• 氢给体数：
  1
• 氢受体数：
  1

文献信息

• Cyclohexene derivative having alkenyl, liquid crystal composition and liquid crystal display device
  申请人：Shimada Teru

  公开号：US20080063814A1

  公开（公告）日：2008-03-13

  A liquid crystal compound selected from a group of compounds represented by formula (a): wherein Ra and Rb are each independently hydrogen, alkyl having 1 to 10 carbons or alkenyl having 2 to 10 carbons, provided that in the alkyl, —CH 2 — may be replaced by —O—, but plural —O— are not adjacent to each other, and hydrogen may be replaced by fluorine; ring A 1 and ring A 2 are each independently trans-1,4-cyclohexylene or 1,4-phenylene, provided that one or two hydrogens of the 1,4-phenylene may be replaced by halogen, and in a 6-membered ring of these groups, one —CH 2 — or two —CH 2 — that are not adjacent to each other may be replaced by —O—, and one or two —CH═ may be replaced by —N═; Z 1 and Z 2 are each independently a single bond, —(CH 2 ) 2 —, —(CH 2 ) 4 —, —CH═CH—, —C≡—, —CH 2 O—, —OCH 2 —, —COO—, —OCO— or —OCF 2 —; l and m are each independently 0, 1 or 2, provided that l+m is 0, 1, 2 or 3; and n is an integer of from 0 to 6, provided that in —(CH 2 ) n —, —CH 2 — may be replaced by —O—, but plural —O— are not adjacent to each other, and hydrogen may be replaced by fluorine.

  从由式（a）表示的化合物组中选择的液晶化合物： 其中Ra和Rb分别独立地是氢、具有1至10个碳的烷基或具有2至10个碳的烯基，前提是在烷基中，-CH2-可以被-O-替换，但多个-O-不相邻，氢可以被氟替换；环A1和环A2分别独立地是反-1,4-环己烯基或1,4-苯基，前提是1,4-苯基的一个或两个氢可以被卤素替换，在这些基团的6元环中，一个不相邻的-CH2-或两个不相邻的-CH2-可以被-O-替换，一个或两个-CH═可以被-N═替换；Z1和Z2分别独立地是单键，-(CH2)2-，-(CH2)4-，-CH═CH-，-C≡-，-CH2O-，-OCH2-，-COO-，-OCO-或-OCF2-；l和m分别独立地是0、1或2，前提是l+m为0、1、2或3；n是0至6的整数，前提是在-(CH2)n-中，-CH2-可以被-O-替换，但多个-O-不相邻，氢可以被氟替换。
• Chlorofluorobenzene liquid crystal compound, liquid crystal composition and liquid crystal display device
  申请人：Goto Yasuyuki

  公开号：US20080075891A1

  公开（公告）日：2008-03-27

  A liquid crystal compound selected from a group of compounds represented by formula (a): wherein Ra and Rb are each independently alkyl having 1 to 10 carbons, alkoxy having 1 to 9 carbons, alkoxyalkyl having 2 to 9 carbons, alkenyl having 2 to 10 carbons, alkenyloxy having 2 to 9 carbons, fluoroalkyl having 1 to 10 carbons or fluoroalkoxy having 1 to 9 carbons; ring A 1 , ring A 2 and ring A 3 are each independently trans-1,4-cyclohexylene, trans-1,3-dioxane-2,5-diyl, trans-tetrahydropyran-2,5-diyl, 1,4-phenylene, 2-fluoro-1,4-phenylene, 2,3-difluoro-1,4-phenylene, 2,5-difluoro-1,4-phenylene, 2,6-difluoro-1,4-phenylene, pyridine-2,5-diyl, 6-fluoropyridine-2,5-diyl or pyridazine-2,5-diyl; Z 1 , Z 2 and Z 3 are each independently a single bond, —(CH 2 ) 2 —, —CH═CH—, —C≡C—, —CH 2 O, —OCH 2 —, —COO—, —OCO—, —OCF 2 —, —CF 2 O—, —CH 2 CH 2 OCF 2 — or —CF 2 OCH 2 CH 2 —; l, m and n are each independently 0, 1 or 2, provided that l+m+n is 0, 1, 2 or 3; one of X 1 and X 2 is fluorine, and the other is chlorine; Q is and atoms comprising the compound each may be an isotope thereof.

  从由式（a）表示的化合物组中选择的液晶化合物： 其中Ra和Rb分别独立地是具有1至10个碳的烷基，具有1至9个碳的烷氧基，具有2至9个碳的烷氧基烷基，具有2至10个碳的烯基，具有2至9个碳的烯氧基，具有1至10个碳的氟烷基或具有1至9个碳的氟烷氧基；环A1，环A2和环A3分别独立地是反式-1,4-环己烷基，反式-1,3-二噁烷-2,5-二基，反式-四氢吡喃-2,5-二基，1,4-苯基，2-氟-1,4-苯基，2,3-二氟-1,4-苯基，2,5-二氟-1,4-苯基，2,6-二氟-1,4-苯基，吡啶-2,5-二基，6-氟吡啶-2,5-二基或吡啶并嗪-2,5-二基；Z1，Z2和Z3分别独立地是单键，—(CH2)—，—CH═CH—，—C≡C—，—CH2O，—OCH2—，—COO—，—OCO—，—OCF2—，—CF2O—，—CH2CH2OCF2—或—CF2OCH2CH2—；l，m和n分别独立地为0，1或2，前提是l+m+n为0，1，2或3；X1和X2中的一个是氟，另一个是氯；Q是 化合物中的原子均可是其同位素。
• METHOD FOR THE CONTINUOUS PRODUCTION OF UNSATURATED CARBOXYLIC ACID ANHYDRIDES
  申请人：Broell Dirk

  公开号：US20090264673A1

  公开（公告）日：2009-10-22

  Process for continuously preparing unsaturated carboxylic anhydrides of the general formula I R—C(O)—O—C(O)—R  (I) in which R is an unsaturated organic radical having 2 to 12 carbon atoms by transanhydridization of an aliphatic carboxylic anhydride with a carboxylic acid of the general formula II R—COOH  (II) in which R is as defined above in a rectification column having an upper, middle and lower region, characterized in that f) an inert boiling oil is initially charged in the bottom of the column, g) the reactants are fed into a reaction region in stoichiometric ratios, h) the carboxylic acid formed as the by-product is withdrawn at the top of the column, i) the unconverted reactants are recycled into the reaction region and j) the product of the formula I is obtained via a side draw, preferably between the middle and lower column region.

  将通式I R—C(O)—O—C(O)—R  (I) 中R为具有2至12个碳原子的不饱和有机基团 通过将脂肪族羧酸酐与通式II R—COOH  (II) 中R如上所定义的羧酸进行酸酐转化反应的过程 在具有上部、中部和下部区域的精馏塔中进行，其特征在于 f) 最初在塔底充入惰性沸腾油， g) 反应物以化学计量比进入反应区域， h) 作为副产物形成的羧酸在塔顶处被抽出， i) 未反应的反应物被循环回反应区域， j) 通过侧抽取获得通式I的产物，最好在中部和下部塔区域之间。
• METHOD FOR PURIFYING POLYMERIZABLE COMPOUNDS
  申请人：Broell Dirk

  公开号：US20090166176A1

  公开（公告）日：2009-07-02

  Process for distillatively purifying polymerizable compounds using a high-boiling, inert, thermally long-term-stable substance as a boiling oil, characterized in that the boiling oil is disposed in the bottom of a rectification column.

  使用一种高沸点、惰性、热稳定的物质作为沸腾油，对可聚合化合物进行精馏纯化的过程，其特征在于将沸腾油置于精馏塔的底部。
• Process for preparing acyloxybenzenesulfonates
  申请人：Clariant GmbH

  公开号：US20040198995A1

  公开（公告）日：2004-10-07

  A process for preparing acyloxybenzenesulfonates by reacting a carboxylic acid derivative with a salt of a phenolsulfonic acid in the presence of an antioxidant, preferably 2,6-di-tert-butyl-4-methylphenol. The addition of such antioxidants gives a product having a high color quality.

  通过在抗氧化剂存在下，将羧酸衍生物与苯磺酸盐反应，制备乙酰氧基苯磺酸酯的方法，最好使用2,6-二叔丁基-4-甲基苯酚。添加这种抗氧化剂可使产品具有高色彩质量。