Ethyl (2Z)-3-methyl-2-heptenoate | 42778-40-5

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 脂肪酰基
• 英文名称: Ethyl (2Z)-3-methyl-2-heptenoate
• 英文别名: ethyl (Z)-3-methyl-hept-2-enoate；Ethyl 3-methyl-(Z)-2-heptenoate；ethyl (Z)-3-methyl-2-heptenoate；Ethyl 3-methyl-2-heptenoat；(Z)-Ethyl 3-methylhept-2-enoate；ethyl (Z)-3-methylhept-2-enoate
• CAS: 42778-40-5
• 化学式: C₁₀H₁₈O₂
• 分子量: 170.252
• InChiKey: ODIGGGLINZKHCV-HJWRWDBZSA-N

物化性质

• 沸点：
  97-98 °C(Press: 13 Torr)
• 密度：
  0.893±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  3.4
• 重原子数：
  12
• 可旋转键数：
  6
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.7
• 拓扑面积：
  26.3
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  Ethyl (2Z)-3-methyl-2-heptenoate 在 lithium monoethoxyaluminum hydride 作用下， 以 乙醚 为溶剂， 以90%的产率得到(Z)-3-methylhept-2-en-1-ol
  参考文献：
  名称：

  Pheromone study on acarid mites. Part IX. Syntheses of alarm pheromone analogues of the mold mite, Tyrophagus putrescentiae, and their biological activities.

  摘要：

  针对霉菌螨（Tyrophagus putrescentiae），3, 7-二甲基-(Z)-2-辛烯酸甲酯（II）是除了天然信息素（奈尔酸甲酯 I）外，作为警报信息素最活跃的化合物，其活性与 I 相当（1-10ppm）。为了阐明诱导警报信息素活性的结构要求，制备了16个 I 的类似物，通过改造 II 的结构。为制备3-甲基和3-乙基-(Z)-2-烯酸甲酯，采用了乙氧基或甲氧基碳酰基甲烯三苯基膦与2-烷酮或3-烷酮的威蒂格反应。与2-烷酮的反应产生了约40%的(Z)-2-烯酸酯和约60%的(E)-2-烯酸酯，平均产率为60%。与3-烷酮的反应则得到了56%的(Z)-2-烯酸酯和44%的(E)-2-烯酸酯。在14种(Z)-2-烯酸甲酯化合物中展示了警报信息素活性。研究表明，分子中存在(Z)-烯丙基初级醇酸甲酯基团是诱导信息素活性的关键，且不需要非环状单萜碳骨架。

  DOI：

  10.1271/bbb1961.46.1855
• 作为产物：
  描述：

  3-(二乙氧基亚膦酰氧基)-2-丁烯酸乙酯 在 碲化氢 作用下， 以 四氢呋喃 、 正己烷 为溶剂， 反应 0.83h， 生成 Ethyl (2Z)-3-methyl-2-heptenoate
  参考文献：
  名称：

  Diastereoselective synthesis of α,β-unsaturated systems

  摘要：

  Functionalized Z-vinylic tellurides were used in substitution reactions with lower order cyanocuprates leading to alpha, beta-unsaturated ketones and esters in good yields. In the case of acyclic tellurides, the product was obtained in high diastereoselectivity. The control of the stereoselectivity was achieved by simple change of the reaction temperature. (C) 2005 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.tet.2005.01.025

文献信息

• SUBSTITUTED CYANO CYCLOALKYL PENTA-2,4-DIENES, CYANO CYCLOALKYL PENT-2-EN-4-YNES, CYANO HETEROCYCLYL PENTA-2,4-DIENES AND CYANO HETEROCYCLYL PENT-2-EN-4-YNES AS ACTIVE SUBSTANCES
  申请人：BAYER CROPSCIENCE AKTIENGESELLSCHAFT

  公开号：US20170210701A1

  公开（公告）日：2017-07-27

  The invention relates to cyano cycloalkyl penta-2,4-dienes, cyano cycloalkyl pent-2-en-4-ynes, cyano heterocyclyl penta-2,4-dienes and cyano heterocyclyl pent-2-en-4-ynes of general formula (I), or the salts thereof, where [X-Y], Q, R 1 , R 2 , A 1 , A 2 , V, W, m and n have the definitions specified in the description. The invention also relates to a production method for same and to the use of same for increasing stress tolerance in plants against abiotic stress, and/or for increasing the plant yield.

  该发明涉及一般式(I)的氰基环烷基戊二烯、氰基环烷基戊-2-炔、氰基杂环烷基戊二烯和氰基杂环烷基戊-2-炔，或其盐，其中[X-Y]、Q、R1、R2、A1、A2、V、W、m和n的定义如描述中所指定。该发明还涉及同类物质的生产方法以及将其用于增加植物对非生物胁迫的抗逆性和/或增加植物产量。
• SUBSTITUTED 5-(BICYCLO[4.1.0]HEPT-3-EN-2-YL)PENTA-2,4-DIENES AND 5-(BICYCLO[4.1.0]HEPT-3-EN-2-YL)PENT-2-ENE-4-INES AS ACTIVE AGENTS AGAINST ABIOTIC STRESSES IN PLANTS
  申请人：Frackenpohl Jens

  公开号：US20140051577A1

  公开（公告）日：2014-02-20

  The invention relates to substituted 5-(bicyclo[4.1.0]hept-3-en-2-yl)penta-2,4-dienes and 5-(bicyclo[4.1.0]hept-3-en-2-yl)pent-2-ene-4-ines of the formula (I) and salts thereof, where the radicals R1, R2, R3, R4, R5, [X—Y] and Q are each as defined in the description, to processes for preparation thereof and to the use thereof for enhancing stress tolerance in plants with respect to abiotic stress, and/or for increasing plant yield.

  该发明涉及代换的5-(bicyclo[4.1.0]庚-3-烯-2-基)戊-2,4-二烯和5-(bicyclo[4.1.0]庚-3-烯-2-基)戊-2-烯-4-炔的化合物及其盐，其中基团R1、R2、R3、R4、R5、[X—Y]和Q的定义如描述中所示，以及其制备方法和用途，用于增强植物对非生物胁迫的抗压能力，和/或增加植物产量。
• SUBSTITUTED 5-(CYCLOHEX-2-EN-1-YL)-PENTA-2,4-DIENES AND 5-(CYCLOHEX-2-EN-1-YL)-PENT-2-EN-4-INES AS ACTIVE AGENTS AGAINST ABIOTIC STRESS IN PLANTS
  申请人：Frackenpohl Jens

  公开号：US20140087949A1

  公开（公告）日：2014-03-27

  The invention relates to substituted 5-(cyclohex-2-en-1-yl)penta-2,4-dienes and 5-(cyclohex-2-en-1-yl)pent-2-en-4-ines of the formula (I) and their salts where the radicals R 1 , R 2 , R 3 , R 4 , [X—Y] and Q are each as defined in the description, to processes for preparation thereof and to the use thereof for enhancing stress tolerance in plants with respect to abiotic stress, and/or for increasing plant yield.

  该发明涉及代换的5-(环己-2-烯-1-基)戊-2,4-二烯和5-(环己-2-烯-1-基)戊-2-烯-4-炔的化合物(I)及其盐，其中基团R1、R2、R3、R4、[X—Y]和Q如描述中所定义，以及其制备方法和用途，用于增强植物对非生物胁迫的抗逆性，并/或增加植物产量。
• Improved Synthesis of Three Methyl-Branched Pheromone Components Produced by the Female Lichen Moth
  作者：Tomonori TAGURI、Rei YAMAKAWA、Yasushi ADACHI、Kenji MORI、Tetsu ANDO

  DOI：10.1271/bbb.90639

  日期：2010.1.23

  three methyl-branched ketones: 6-methyl-2-octadecanone (I), 14-methyl-2-octadecanone (II), and 6,14-dimethyl-2-octadecanone (III). Their structures were confirmed by syntheses accomplished by a different route for each component. In order to obtain a sufficient amount of the synthetic pheromone, we developed new routes via methyl-branched 1-alkenes: 6-methyl-1-octadecene (1), 14-methyl-1-octadecene (2)

  lyclene dharma dharma（Arctiidae，Lithosiinae）的雌蛾产生一种新颖的性信息素，该信息素由三种甲基支化的酮组成：6-甲基-2-十八烷酮（I），14-甲基-2-十八烷酮（II）和6,14 -二甲基-2-十八烷酮（III）。它们的结构通过针对每个组分的不同途径完成的合成得到证实。为了获得足够量的合成信息素，我们开发了通过甲基支化的1-烯烃的新途径：6-甲基-1-十八碳烯（1），14-甲基-1-十八碳烯（2）和6,14 -二甲基-1-十八碳烯（3）。化合物1通过在C（10）链溴化物和由3-甲基-1,5-戊二醇2制备的3-甲基支链C（8）单元（A）之间偶联来合成，方法是在C（ 11）-链溴化物和由2-己酮和3通过连接A和B制备的3-甲基支链的C（7）单元（B），使用炔丙醇作为C（3）关键。还研究了使用3-氯-1-丙醇和乙酰乙酸叔丁酯作为关键化合物，以连接3个化
• Identification of sex pheromones from cowpea weevil,Callosobruchus maculatus, and related studies withC. analis (coleoptera: Bruchidae)
  作者：Thomas W. Phillips、Joel K. Phillips、Francis X. Webster、Rong Tang、Wendell E. Burkholder

  DOI：10.1007/bf02029543

  日期：1996.12

  Female cowpea weevils, Callosobruchus maculatus, produce a sex pheromone that elicits orientation and sexual behavior in males. Bioassay-directed isolation of the sex pheromone was conducted and compounds in the active fraction were identified and synthesized. Volatiles were collected from individual virgin females by adsorption on filter paper discs and hexane extraction. A bioassay was used in which the locomotory response of single males in glass vials was recorded upon exposure to treatments or controls. Crude extracts were subjected to silica gel column chromatography with solvents of increasing polarity; all activity eluted with methanol. Activity in the highly polar methanol fraction suggested a carboxylic acid or a compound with multiple polar functionality. Acid-base partitioning of the crude extract isolated all activity in the acid fraction, confirming that the pheromone was a carboxylic acid. The acid fraction was further fractionated by preparative GC with a Carbowax column. The most active GC fraction contained the following five 8-carbon acids identified by GC-MS and comparison with synthetic candidates: 3-methyleneheptanoic acid, (Z)-3-methyl-3-heptenoic acid, (E)-3-methyl-3-heptenoic acid, (Z)-3-methyl-2-heptenoic acid, and (E)-3-methyl-2-heptenoic acid. Each of the synthetic acids was active individually for males, and combinations of two or more of the acid pheromones had an additive effect. Upwind flight responses to natural and synthetic pheromones were observed in a flight tunnel. (Z)-3-Methyl-2-heptenoic acid was previously identified as the sex pheromone for the related C. analis, but this and the other four acid pheromones from C. maculatus were inactive for male C. analis. There was no cross-attraction between C. maculatus and C. analis in reciprocal studies using extracted volatiles from females of both species, GCMS analysis of C. analis female volatiles failed to detect any of the C. maculatus compounds but did find an unidentified C-8 acid with a GC retention time different from any of the C. maculatus pheromones.