2-ethyl-2-methylbutanal | 26254-88-6

• 分子结构分类: 有机化合物 - 有机氧化合物 - 有机氧化物
• 英文名称: 2-ethyl-2-methylbutanal
• CAS: 26254-88-6
• 化学式: C₇H₁₄O
• 分子量: 114.188
• InChiKey: BFKSYXOOFDWKFF-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.8
• 重原子数：
  8
• 可旋转键数：
  3
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.86
• 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：

  2-ethyl-2-methylbutanal 在 盐酸 、 4-二甲氨基吡啶 、 硫酸 、 sodium sulfate 、 盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺 作用下， 以 乙醚 、 二氯甲烷 、 水 、 甲苯 为溶剂， 反应 85.59h， 生成 (R)-benzyl 2-(tert-butoxycarbonylamino)-3-ethyl-3-methylpentanoate
  参考文献：
  名称：

  COMPOUNDS AND RELATED METHODS OF USE

  摘要：

  本文描述了式（I）的化合物、相关组合物及其用途，例如在形成α-氨基酸或其前体（如α-氨基腈）中的应用。

  公开号：

  US20130066109A1
• 作为产物：
  描述：

  2-乙基-2-甲基丁酸 在 dimethyl sulfide borane 、 pyridinium chlorochromate 作用下， 生成 2-ethyl-2-methylbutanal
  参考文献：
  名称：

  Chiral synthesis via organoboranes. 34. Selective reductions. 47. Asymmetric reduction of hindered .alpha.,.beta.-acetylenic ketones with B-chlorodiisopinocampheylborane to propargylic alcohols of very high enantiomeric excess. Improved workup procedure for the isolation of product alcohols

  摘要：

  The Midland reagent, Alpine-Borane (2a), is excellent for the asymmetric reduction of many acetylenic ketones, but it fails with hindered derivatives. On the other hand, B-chlorodiisopinocampheylborane (DIP-Chloride, 4) reacts with hindered alpha,beta-acetylenic ketones to provide the corresponding propargylic alcohols in 96 to greater-than-or-equal-to 99% ee. The reaction is in accordance with the tentative mechanism proposed earlier. While 4-phenyl-3-butyn-2-one is reduced in only 21% ee, 4 reduces 4-methyl-1-phenyl-1-pentyn-3-one in 53% ee and 4,4-dimethyl-1-phenyl-1-pentyn-3-one in greater-than-or-equal-to 99% ee. The generality of this observation is demonstrated by reducing a series of hindered acetylenic ketones with increasing steric requirements and differing electronic environments. Thus, 2,2-dimethyl-4-tridecyn-3-one, 1-cyclopentyl-4,4-dimethyl-1-pentyn-3-one, and 3,3-dimethyl-5-tetradecyn-4-one are all reduced to the corresponding alcohols in greater-than-or-equal-to 99% ee and 97% ee, respectively. A modified and operationally simpler workup procedure for obtaining the alcohols in high isolated yields is described. Comparison of reagent 4 with 2a is also made, making clear the range of applicability of each reagent. This development makes it possible to reduce asymmetrically any acetylenic ketone by a judicious choice of either 2a or 4.

  DOI：

  10.1021/jo00034a034

文献信息

• Novel Thiazole Inhibitors of Fructose 1,6-Bishosphatase
  申请人：Dang Qun

  公开号：US20070225259A1

  公开（公告）日：2007-09-27

  Compounds of Formula I, their prodrugs and salts, their preparation and their uses are described.

  公式I的化合物，它们的前药和盐，它们的制备以及它们的用途被描述了。
• [EN] INSECTICIDAL METHODS USING NITROGEN-CONTAINING HETEROAROMATIC COMPOUNDS<br/>[FR] PROCÉDÉS INSECTICIDES UTILISANT DES COMPOSÉS HÉTÉROAROMATIQUES CONTENANT DE L'AZOTE
  申请人：BASF SE

  公开号：WO2011064188A1

  公开（公告）日：2011-06-03

  Insectical methods using nitrogen containing heteroaromatic compounds The present invention relates to new insecticidal methods of using nitrogen-containing heteroaromatic compounds of the formula (I), wherein A, E, G, M, W, Y, X, R1 and R2 are defined as in the description, and to their enantiomers, diastereomers and agriculturally and veterinary acceptable salts. The present invention relates to methods of administering and applying such Pyridine compounds of formula I for insecticidal use and purposes in agriculture and in the veterinary field. The invention relates also to new derivatives of Pyridine compounds of formula I.

  使用含氮杂芳化合物的杀虫方法。本发明涉及使用式(I)的含氮杂芳化合物的新杀虫方法，其中A、E、G、M、W、Y、X、R1和R2如描述中所定义，并且其对映异构体、顺反异构体和农业和兽医可接受的盐。本发明涉及用于农业和兽医领域的杀虫用途和目的的给药和应用式I的吡啶化合物的方法。该发明还涉及式I的吡啶化合物的新衍生物。
• [EN] INSECTICIDAL METHODS USING PYRIDINE COMPOUNDS<br/>[FR] PROCÉDÉS INSECTICIDES UTILISANT DES COMPOSÉS À BASE DE PYRIDINE
  申请人：BASF SE

  公开号：WO2011057942A1

  公开（公告）日：2011-05-19

  The present invention relates to new insecticidal methods of using compounds of formula (I) wherein A, E, G, M, Y, X, R1 and R2 are defined as in the description, and to their enantiomers, diastereomers and agriculturally and veterinary acceptable salts. The present invention relates to methods of administering and applying such Pyridine compounds of formula I for insecticidal use and purposes in agriculture and in the veterinary field. The invention relates also to new derivatives of Pyridine compounds of formula (I).

  本发明涉及使用式(I)化合物的新杀虫方法，其中A、E、G、M、Y、X、R1和R2的定义如描述中所述，以及它们的对映体、二对映体和农业和兽医可接受的盐。本发明涉及用于杀虫用途和农业以及兽医领域的目的的给药和应用此类吡啶化合物的方法。该发明还涉及式(I)吡啶化合物的新衍生物。
• Processes for preparing beta-hydroxy-ketones and alpha,beta-unsaturated ketones
  申请人：Barnicki Donald Scott

  公开号：US20050004401A1

  公开（公告）日：2005-01-06

  Processes for producing β-hydroxy-ketones and α,β-unsaturated ketones are disclosed which comprise the crossed condensation of an aldehyde with a ketone in the presence of a hydroxide or alkoxide of alkali metal or an alkaline earth metal as catalyst. The products of the process, β-hydroxy-ketones and α,β-unsaturated ketones, are useful for the preparation of many commercially important products in the chemical process industries including solvents, drug intermediates, flavors and fragrances, other specialty chemical intermediates.

  披露了生产β-羟基酮和α,β-不饱和酮的过程，这些过程包括在碱金属或碱土金属的氢氧化物或醇盐的催化下，醛与酮的交叉缩合。该过程的产品，即β-羟基酮和α,β-不饱和酮，对于化学工艺工业中许多商业上重要产品的制备非常有用，包括溶剂、药物中间体、香精和香料、以及其他专用化学品中间体。
• 一种含有杂环配体的有机铱金属配合物及其应用
  申请人：吉林奥来德光电材料股份有限公司

  公开号：CN113620999A

  公开（公告）日：2021-11-09

  本发明公开了一种含有杂环配体的有机铱金属配合物，结构通式如式I所示：其中，R1、R2、R3、R4、R5和R6各自独立的选自氢、氘原子、卤素、氰基、取代或未取代的C1‑C40的烷基、取代或未取代的C6‑C40的芳基、取代或未取代的C3‑C40的环烷基、取代或未取代的C1‑C40的烷氧基、取代或未取代的C1‑C40的烷胺基、取代或未取代的C2‑C40的烯烃基、取代或未取代的C2‑C40的炔烃基、取代或未取代的2‑40元的杂环基、取代或未取代的C10‑C40的稠环基。本发明提供的有机铱金属配合物通过利用金属铱与特定的杂环配体结合制得，以及将得到的有机铱金属配合物用于有机电致发光器件后，可使器件的驱动电压降低、发光效率及寿命显著提高。