2,3,5-trimethyl-cyclopentanone | 90112-26-8

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: 2,3,5-trimethyl-cyclopentanone
• 英文别名: 2,3,5-Trimethyl-cyclopentanon；1.2.4-Trimethylcyclopentanon-3；2,3,5-trimethylcyclopentan-1-one
• CAS: 90112-26-8
• 化学式: C₈H₁₄O
• 分子量: 126.199
• InChiKey: SYGMBWDGTDMGPU-UHFFFAOYSA-N

物化性质

• 沸点：
  158°C (estimate)
• 密度：
  0.8778

计算性质

• 辛醇/水分配系数(LogP)：
  2
• 重原子数：
  9
• 可旋转键数：
  0
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.88
• 拓扑面积：
  17.1
• 氢给体数：
  0
• 氢受体数：
  1

反应信息

• 作为产物：
  描述：

  碘甲烷 、 alkaline earth salt of/the/ methylsulfuric acid 在 乙醚 、 sodium amide 作用下， 生成 2,3,5-trimethyl-cyclopentanone
  参考文献：
  名称：

  Haller; Cornubert, Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences, 1914, vol. 158, p. 1621

  摘要：

  DOI：

文献信息

• As-Indacen Derivatives
  申请人：Lietzau Lars

  公开号：US20070228328A1

  公开（公告）日：2007-10-04

  The present invention relates to compounds of the formula I where X 1 , X 2 , R 1 , R 2 , A 1 , A 2 , Z 1 , Z 2 , m, n and rings B and B′ are as defined in claim 1.

  本发明涉及公式I的化合物，其中X1、X2、R1、R2、A1、A2、Z1、Z2、m、n和环B和B'的定义如权利要求书中所述。
• Transition metal complex, catalyst for olefin polymerization, and process for producing olefin polymer with the same
  申请人：——

  公开号：US20040242410A1

  公开（公告）日：2004-12-02

  The present invention relates to a transition metal complex represented by the formula (I): 1 wherein M represents a Group 4 transition metal; —Y— represents (a): —C(R 1 )(R 20 )-A-, (b): —C(R 1 )(R 20 )-A 1 (R 30 )—, (c): —C(R 1 )=A 1 -, or (d): —C(R 1 )=A 1 -A 2 -R 30 ; A represents a Group 16 element and A 1 and A 2 each represents a Group 15 element; R 1 to R 9 , R 20 , and R 30 are the same or different and each represents an optionally substituted hydrocarbon group, etc.; and X 1 and X 2 are the same or different and each represents a hydrogen atom, a halogen atom, an optionally substituted C 1-10 alkyl group, etc., and an intermediate product thereof, and a catalyst for olefin polymerization which comprises said transition metal complex as a component.

  本发明涉及一种由式(I)表示的过渡金属配合物：1其中M代表4族过渡金属；—Y—表示(a)：—C(R1)(R20)-A-，(b)：—C(R1)(R20)-A1(R30)—，(c)：—C(R1)=A1-，或(d)：—C(R1)=A1-A2-R30；A代表16族元素，A1和A2分别代表15族元素；R1至R9、R20和R30相同或不同，每个代表可选取代的碳氢基团等；X1和X2相同或不同，每个代表氢原子、卤原子、可选取代的C1-10烷基团等，以及其中间产物，以及包括所述过渡金属配合物作为组分的烯烃聚合催化剂。
• TRANSITION METAL COMPLEX, CATALYST FOR OLEFIN POLYMERIZATION, AND PROCESS FOR PRODUCING OLEFIN POLYMER WITH THE SAME
  申请人：HANAOKA Hidenori

  公开号：US20100048933A1

  公开（公告）日：2010-02-25

  The present invention relates to a transition metal complex represented by the formula (I): wherein M represents a Group 4 transition metal; —Y— represents (a): —C(R 1 )(R 20 )-A-, (b): —C(R 1 )(R 20 )-A 1 (R 30 )—, (c): —C(R 1 )=A 1 -, or (d): —C(R 1 )=A 1 -A 2 -R 30 ; A represents a Group 16 element and A 1 and A 2 each represents a Group 15 element; R 1 to R 9 , R 20 , and R 30 are the same or different and each represents an optionally substituted hydrocarbon group, etc.; and X 1 and X 2 are the same or different and each represents a hydrogen atom, a halogen atom, an optionally substituted C 1-10 alkyl group, etc., and an intermediate product thereof, and a catalyst for olefin polymerization which comprises said transition metal complex as a component.

  本发明涉及一种由式(I)表示的过渡金属配合物：其中M代表4族过渡金属；-Y-代表(a)：-C(R1)(R20)-A-，(b)：-C(R1)(R20)-A1(R30)-，(c)：-C(R1)=A1-，或(d)：-C(R1)=A1-A2-R30；A代表16族元素，A1和A2各代表15族元素；R1至R9、R20和R30相同或不同，每个代表一个可选取代的碳氢基团等；X1和X2相同或不同，每个代表氢原子、卤原子、可选取代的C1-10烷基团等；以及其中间体产品和以该过渡金属配合物为组分的烯烃聚合催化剂。
• Process for the preparation of 5-oxohexane nitriles and the compound 2,4-dimethyl-5-oxohexane nitrile
  申请人：DSM N.V.

  公开号：EP0437290A1

  公开（公告）日：1991-07-17

  The invention relates to a process for the preparation of 5-oxohexane nitriles according to Formula 1, where at least R₁ or R₂ is an electron-donating group and at least one of the groups R₃, R₄ or R₅ is not hydrogen, by catalylic conversion of a methyl ketone according to Formula 2 where R₁ and R₂ denote the same as in Formula 1, and an α-β unsaturated nitrile according to Formula 3 in the presence of a strong base as a catalyst. The invention furthermore relates to the new substance 2,4-dimethyl-5-oxohexane nitrile. The obtained 5-oxohexane nitriles can be advantageously used in the preparation of 2-methylpyridines.

  本发明涉及一种根据式 1 制备 5-氧代己烷腈的工艺、 其中至少 R₁ 或 R₂ 是电子奉献基团，且至少一个基团 R₃、R₄ 或 R₅ 不是氢，通过催化转化根据式 2 的甲基酮来制备 其中 R₁ 和 R₂ 表示与式 1 相同，以及根据式 3 的 α-β 不饱和腈 在强碱作为催化剂的存在下。 本发明还涉及一种新物质 2,4-二甲基-5-氧代己烷腈。 所得到的 5-氧代己烷腈可用于制备 2-甲基吡啶。
• METHOD FOR PRODUCING CARBOXYLIC ACID
  申请人：National Institute of Advanced Industrial Science and Technology

  公开号：EP1544190A1

  公开（公告）日：2005-06-22

  The present invention provides a safe, convenient and efficient method for producing carboxylic acid by a reaction of alicyclic alcohol with an aqueous hydrogen peroxide to thereby obtain carboxylic acid in high yield from alicyclic alcohol or alicyclic ketone under mild reaction conditions, wherein the reaction operation is simple and easy, a step for removing solvent after completion of the reaction is not necessary and influence and toxicity upon the environment and human body are markedly small. In order to provide it, an oily alicyclic alcohol is allowed to react with an aqueous hydrogen peroxide in the presence of a catalyst containing a metal compound belonging to Group 6 of the Periodic Table in a heterogeneous solution system.

  本发明提供了一种安全、方便、高效的生产羧酸的方法，该方法通过脂环醇与过氧化氢水溶液反应，从而在温和的反应条件下，从脂环醇或脂环酮中高产率地获得羧酸，反应操作简单易行，反应完成后无需去除溶剂的步骤，对环境和人体的影响和毒性明显较小。为了实现这一目标，需要在一个异相溶液体系中，在含有元素周期表第 6 族金属化合物的催化剂存在下，使油性脂环醇与过氧化氢水溶液发生反应。