(2Z)-2-pentylidenecyclopentanone | 163843-05-8

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: (2Z)-2-pentylidenecyclopentanone
• 英文别名: (2Z)-2-pentylidenecyclopentan-1-one
• CAS: 163843-05-8
• 化学式: C₁₀H₁₆O
• mdl: MFCD00482081
• 分子量: 152.236
• InChiKey: YZKUNNFZLUCEET-TWGQIWQCSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.7
• 重原子数：
  11
• 可旋转键数：
  3
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.7
• 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：

  (2Z)-2-pentylidenecyclopentanone 在 甘油 作用下， 以95 %的产率得到2-戊基-2-环戊烯-1-酮
  参考文献：
  名称：

  [EN] NOVEL COMPOSITIONS FOR THE SUSTAINABLE CATALYSIS OF ORGANIC SYNTHESIS REACTIONS
  [FR] NOUVELLES COMPOSITIONS POUR LA CATALYSE DURABLE DE RÉACTIONS DE SYNTHÈSE ORGANIQUE

  摘要：

  The present invention relates to a comprising K2CO3, KCI, and optionally K2SO4and/or KHCO3, wherein the weight content of potassium is between 9.0 and 60.0 % relative to the total weight of the composition, preferably between 10.0 and 50.0%, more preferably between 10.0 and 40.0%, advantageously between 20.0 and 40.0%.

  公开号：

  WO2023144167A1
• 作为产物：
  描述：

  正戊醛 、 环戊酮 在 heat treated leaves of Fallopia japonica, collected in Saint Bauzille de Putois 作用下， 生成 (2Z)-2-pentylidenecyclopentanone
  参考文献：
  名称：

  [EN] NOVEL COMPOSITIONS FOR THE SUSTAINABLE CATALYSIS OF ORGANIC SYNTHESIS REACTIONS
  [FR] NOUVELLES COMPOSITIONS POUR LA CATALYSE DURABLE DE RÉACTIONS DE SYNTHÈSE ORGANIQUE

  摘要：

  The present invention relates to a comprising K2CO3, KCI, and optionally K2SO4and/or KHCO3, wherein the weight content of potassium is between 9.0 and 60.0 % relative to the total weight of the composition, preferably between 10.0 and 50.0%, more preferably between 10.0 and 40.0%, advantageously between 20.0 and 40.0%.

  公开号：

  WO2023144167A1

文献信息

• Process for producing 2-alkyl-2cyclopentenones
  申请人：TAKASAGO INTERNATIONAL CORPORATION

  公开号：US20030109755A1

  公开（公告）日：2003-06-12

  Industrially advantageous processes for producing a 2-alkyl-2-cyclopentenone in high yields starting from a 2-(1-hydroxyalkyl)cyclopentanone or a 2-alkylidenecyclopentanone, which are obtainable from a cyclopentanone and a carbonyl compound. A 2-(1-hydroxyalkyl)cyclopentanone represented by the following general formula (1): 1 (wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 and R 7 each independently represents hydrogen atom, an alkyl group having 1 to 10 carbon atoms which may have one or more substituents or an aromatic group which may have one or more substituents, and each of (1) R 6 or R 7 with R 3 and (2) R 6 or R 7 with R 4 or R 5 may be together combined to form a ring which may have a double bond) is subjected to dehydrative isomerization in the presence of a bromine compound and/or an iodine compound.

  从环戊酮和羰基化合物获得的2-(1-羟基烷基)环戊酮或2-烷基亚烯环戊酮，是从高产率开始生产2-烷基-2-环戊酮的工业上有利的过程。在以下一般式（1）中表示的2-(1-羟基烷基)环戊酮中（其中R1、R2、R3、R4、R5、R6和R7分别独立地表示氢原子、具有1至10个碳原子的烷基基团，可能具有一个或多个取代基或可能具有一个或多个取代基的芳香基团，且(1) R6或R7与R3和(2) R6或R7与R4或R5中的每一个可能结合在一起形成可能具有双键的环)在溴化合物和/或碘化合物的存在下进行脱水异构化。
• Method for producing jasmonate derivatives and intermediates thereof
  申请人：Kao Corporation

  公开号：US20010049455A1

  公开（公告）日：2001-12-06

  The present invention provides a method for efficiently producing a 2-alkyl-2-cyclopentenone as well as a method for producing a jasmonate derivative by using the same. That is, in the present invention, the compound (2) is obtained by reacting an amine and a hydrogen halide with the compound (1) at a specific ratio to carry out isomerization reaction or by reacting a catalyst comprising an amine and a hydrogen halide with the compound (3) to carry out dehydration-isomerization reaction. Further, this compound (2) is reacted with a malonic acid diester and then reacted with water to obtain a jasmonate derivative (5): 1 wherein each of R 1 and R 2 represents H, a C 1-8 alkyl group or the like, and R 3 represents a C 1-3 alkyl group.

  本发明提供了一种有效生产2-烷基-2-环戊烯酮的方法，以及利用该方法生产茉莉酸衍生物的方法。也就是说，在本发明中，通过以特定比例将胺和氢卤酸与化合物（1）反应以进行异构化反应或通过将含有胺和氢卤酸的催化剂与化合物（3）反应以进行脱水异构化反应来获得化合物（2）。此外，这种化合物（2）与马来酸二酯反应，然后与水反应，得到茉莉酸衍生物（5）：其中R1和R2分别表示H、C1-8烷基或类似物，R3表示C1-3烷基。
• Process for producing cycloakanone derivatives
  申请人：KAO CORPORATION

  公开号：US20040171850A1

  公开（公告）日：2004-09-02

  The present invention provides a process for producing 2-(1-hydroxyalkyl)cycloalkanone and/or 2-(1-hydroxyaryl)cycloalkanone in high yield and selectivity, as well as a process using the same to produce a cycloalkanone derivative useful as a perfume material and a physiologically active substance. Disclosed is a process for producing compound (3), which includes subjecting a cycloalkanone, and aldehyde (2) containing carboxylic acid (1), to aldol condensation in the presence of water and a basic catalyst, wherein the molar amount (referred to hereinafter as A) of the basic catalyst added is not less than the molar amount (referred to hereinafter as B) of the carboxylic acid (1) contained in the aldehyde (2) and the difference between A and B, that is, (A-B) is 0.06 mol or less per mol of the aldehyde (2), as well as a process for producing compounds (7) and (8) by using the compound (3) obtained by the above process. 1 wherein n is an integer of 1 or 2, R 1 represents H or a C1 to C8 alkyl group or the like, and R 2 represents a C1 to C3 alkyl group.

  本发明提供了一种高产率和选择性制备2-(1-羟基烷基)环烷酮和/或2-(1-羟基芳基)环烷酮的方法，以及使用该方法制备环烷酮衍生物作为香料材料和生理活性物质的方法。公开了制备化合物(3)的方法，该方法包括将环烷酮和含有羧酸(1)的醛(2)在水和碱性催化剂存在下进行醛缩反应，其中所添加的碱性催化剂的摩尔量（以下简称A）不少于醛(2)中所含的羧酸(1)的摩尔量（以下简称B），且A与B之间的差值，即(A-B)每摩尔醛(2)不超过0.06摩尔。同时，本发明还提供了使用上述方法获得的化合物(3)制备化合物(7)和(8)的方法。其中n为1或2的整数，R1代表H或C1至C8烷基等，R2代表C1至C3烷基。
• Perfume compositions and 3,6-dicyclopentyl-ò-valero-lactone
  申请人：Watanabe Kazunori

  公开号：US20070027061A1

  公开（公告）日：2007-02-01

  A perfume composition containing a 3,6-disubstituted δ-valerolactone having fresh, fruity and floral musk-like fragrance, and 3,6-dicyclopentyl-δ-valerolactone. Specifically, the perfume composition contains a 3,6-disubstituted δ-valerolactone represented by formula [1]: wherein at least one of R 1 and R 2 represents cyclopentyl group, cyclopentenyl group, cyclohexyl group or cyclohexenyl group and, when only one of R 1 and R 2 represents cyclopentyl group, cyclopentenyl group, cyclohexyl group or cyclohexenyl group, the other of R 1 and R 2 represents an alkyl group having 1 to 10 carbon atoms, an alkenyl group having 2 to 10 carbon atoms, an alkynyl group having 2 to 10 carbon atoms, an aryl group having 6 to 10 carbon atoms, an aralkyl group having 6 to 10 carbon atoms or an alkylaryl group having 6 to 10 carbon atoms; and aforesaid 3,6-Dicyclopentyl-δ-valerolactone is represented by formula [2]:

  一种香水配方，含有具有清新、果香和花香麝香般气味的3,6-二取代δ-戊内酯和3,6-二环戊基-δ-戊内酯。具体来说，该香水配方包含由公式[1]表示的3,6-二取代δ-戊内酯：其中R1和R2中至少有一个代表环戊基、环戊烯基、环己基或环己烯基，当R1和R2中只有一个代表环戊基、环戊烯基、环己基或环己烯基时，另一个代表具有1至10个碳原子的烷基、具有2至10个碳原子的烯基、具有2至10个碳原子的炔基、具有6至10个碳原子的芳基、具有6至10个碳原子的芳基烷基或具有6至10个碳原子的烷基芳基；以及上述3,6-二环戊基-δ-戊内酯由公式[2]表示：
• NOVEL CYCLOPENTANOL COMPOUNDS
  申请人：International Flavors & Fragrances Inc.

  公开号：US20150159118A1

  公开（公告）日：2015-06-11

  The present invention pertains to novel cyclopentanols and their unexpected advantageous use thereof in enhancing, improving or modifying the fragrance of perfumes, colognes, toilet waters, fabric care products, personal products, and the like.

  本发明涉及新型环戊醇及其在增强、改善或调节香水、古龙水、洗手液、织物护理产品、个人护理产品等香气中的意外有利用途。