2-乙基-4-甲基-2-戊烯醛 | 28419-86-5

• 分子结构分类: 有机化合物 - 有机氧化合物
• 中文名称: 2-乙基-4-甲基-2-戊烯醛
• 英文名称: 2-ethyl-4-methyl-pent-2-enal
• 英文别名: (E)-2-ethyl-4-methyl-pent-2-enal；2-Aethyl-4-methyl-pent-2t-enal；(E)-2-Aethyl-4-methyl-pent-2-enal；(E)-2-ethyl-4-methyl-2-pentenal；2-Pentenal, 2-ethyl-4-methyl-；(E)-2-ethyl-4-methylpent-2-enal
• CAS: 28419-86-5
• 化学式: C₈H₁₄O
• 分子量: 126.199
• InChiKey: JBGRAQBQMATPJJ-VMPITWQZSA-N

物化性质

• 沸点：
  173-175 °C
• 密度：
  0.831±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.1
• 重原子数：
  9
• 可旋转键数：
  3
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.62
• 拓扑面积：
  17.1
• 氢给体数：
  0
• 氢受体数：
  1

安全信息

• 海关编码：
  2912190090

反应信息

• 作为反应物：
  描述：

  2-乙基-4-甲基-2-戊烯醛 在 吡啶 、 lithium aluminium tetrahydride 、 四(三苯基膦)钯 、 sodium hydride 、 肼 作用下， 以 四氢呋喃 、 乙醇 、 N,N-二甲基甲酰胺 为溶剂， 生成 N-(4-ethyl-6-methyl-2,4-heptadiene-1-yl)-3-pyridinecarboxamide
  参考文献：
  名称：

  New reagents for controlled release of nitric oxide. Structure-stability relationships

  摘要：

  The synthesis and structure-stability relationships of a series of novel FK409 derivatives (1, 2, and 3) are described. The rates of decomposition in aqueous solution (pH 8.0, 30 degrees C) were parallel with those of spontaneous NO release measured by ESR spectroscopy using carboxy-PTIO. The compounds can cover a wide range of NO releasing rates by appropriate modification of the molecule.

  DOI：

  10.1016/0960-894x(95)00547-7
• 作为产物：
  描述：

  正丁醛 、 异丁醛 在 sodium hydroxide 作用下， 生成 2-乙基-4-甲基-2-戊烯醛
  参考文献：
  名称：

  DE927626

  摘要：

  公开号：

文献信息

• Directed regio- and stereoselective hydroformylation of mono- and 1,3-disubstituted allylic alcohols: a catalytic approach to the anti-aldol-retronElectronic supplementary information (ESI) available: experimental. See http://www.rsc.org/suppdata/cc/b3/b311378g/
  作者：Bernhard Breit、Peter Demel、Antje Gebert

  DOI：10.1039/b311378g

  日期：——

  Regioselective and diastereoselective hydroformylation of mono- and 1,3-disubstituted allylic alcohol o-DPPB esters is described. The products represent synthetically important anti-aldol retrons.

  描述了单取代和1,3双取代烯醇o-DPPB酯的区域选择性和非对映选择性氢化羧基化反应。所产物代表了具有合成重要性的反-醇缩反应中间体。
• Nitro compounds, process for preparation thereof and use thereof
  申请人：Fujisawa Pharmaceutical Co., Ltd.

  公开号：US05495023A1

  公开（公告）日：1996-02-27

  A new nitro compound of the formula: ##STR1## wherein R.sup.1 and R.sup.2 are each lower alkyl or lower alkoxy(lower)alkyl, or ##STR2## is cyclized to form ##STR3## X is --O--, --S-- or --NH--, m is an integer 0 or 1, and R.sup.3 is carbamoyl, lower alkylcarbamoyl, lower alkanoyl, di-lower alkylaminosulfonyl, lower alkylsulfonyl, oxamoyl or a group of the formula: --(Y).sub.n --R.sup.4 wherein Y is --CO--, --SO.sub.2 --, --COCH.sub.2 -- or ##STR4## n is an integer of 0 or 1, and R.sup.4 is heterocyclic group which is optionally substituted with one or more substituents selected from lower alkyl, lower alkoxy, phenyl, carbamoyl, halogen, amino, lower alkylthio, hydroxy, lower alkylsulfonylamino and carbamoylmethyl, and pharmaceutically acceptable salt thereof, which are useful as vasodilators.

  一种新的硝基化合物的化学式为：##STR1## 其中R.sup.1和R.sup.2分别为低烷基或低烷氧基（低）烷基，或##STR2##环化形成##STR3## X为--O--，--S--或--NH--，m为0或1的整数，R.sup.3为氨基甲酰基，低烷基氨基甲酰基，低烷酰基，二低烷氨基磺酰基，低烷基磺酰基，草酰基或式为--(Y).sub.n --R.sup.4的基团，其中Y为--CO--，--SO.sub.2--，--COCH.sub.2--或##STR4## n为0或1的整数，R.sup.4为杂环基，可选地取代由一个或多个取代基选自低烷基，低烷氧基，苯基，氨基，低烷硫基，羟基，低烷基磺酰氨基和氨基甲酰甲基，以及其药学上可接受的盐，其作为血管扩张剂是有用的。
• Odour Compounds
  申请人：Kraft Philip

  公开号：US20120184630A1

  公开（公告）日：2012-07-19

  A compound of formula (I) wherein R1 and R2 are independently selected from hydrogen, methyl, ethyl, propyl and isopropyl; or R1 and R2 together form a saturated or monounsaturated 5- or 6-membered hydrocarbon ring, as represented by the arcuate dotted line; R3 is selected from methyl and ethyl; R4 is selected from methyl, ethyl, propyl, isopropyl, cyclopropyl, butyl, isobutyl, cyclobutyl and cyclopentyl; R5 is selected from hydrogen and methyl, and the dotted line between positions 3″ and 4″ represents an optional double bond. The compounds have a musk odour and are useful in fine and functional fragrances.

  化合物的式子为（I），其中R1和R2分别选自氢、甲基、乙基、丙基和异丙基；或者R1和R2共同形成一个饱和或单不饱和的5-或6-成员的烃环，如弧形虚线所示；R3选自甲基和乙基；R4选自甲基、乙基、丙基、异丙基、环丙基、丁基、异丁基、环丁基和环戊基；R5选自氢和甲基，3“和4”之间的虚线表示可选的双键。这些化合物具有麝香气味，可用于精细和功能性香料。
• COMPOSITION FOR REMOVING IRON SULFIDE
  申请人：Kuraray Co., Ltd.

  公开号：EP3486353A1

  公开（公告）日：2019-05-22

  Provided is a composition for removing iron sulfide, containing, as an active ingredient, an α,β-unsaturated aldehyde represented by the following general formula (1): wherein R1 to R3 each independently represent a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, an alkenyl group having 2 to 10 carbon atoms, or an aryl group having 6 to 12 carbon atoms, provided that R1 may be connected to R2 or R3, to constitute an alkylene group having 2 to 6 carbon atoms; and that R1 and R2 are not a hydrogen atom at the same time.

  本发明提供了一种去除硫化铁的组合物，该组合物的活性成分是由下式（1）表示的 α，β-不饱和醛： 其中 R1 至 R3 各自独立地代表氢原子、具有 1 至 10 个碳原子的烷基、具有 2 至 10 个碳原子的烯基或具有 6 至 12 个碳原子的芳基，但 R1 可与 R2 或 R3 连接，以构成具有 2 至 6 个碳原子的亚烷基；并且 R1 和 R2 不能同时为氢原子。
• IMPROVED NICKEL-COPPER-MANGANESE-CATALYST FOR THE PREPARATION OF ALCOHOLS BY HYDROGENATION OF THE CORRESPONDING ALDEHYDES AND KETONES
  申请人：BASF SE

  公开号：EP3878831A1

  公开（公告）日：2021-09-15

  The present invention relates to an improved supported nickel-copper-manganese-catalyst which is characterized by the presence of a phosphor compound for the preparation of alcohols by hydrogenation of the corresponding aldehydes and ketones. Such supported catalysts exhibit a superior yield and selectivity.

  本发明涉及一种改进的支撑镍-铜-锰催化剂，其特点是含有一种磷化合物，用于通过氢化相应的醛和酮制备醇。这种支撑催化剂具有优异的产率和选择性。