4-hydroxy-2-(1-methyl-2-propenyl)-2-cyclopenten-1-one | 79575-80-7

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: 4-hydroxy-2-(1-methyl-2-propenyl)-2-cyclopenten-1-one
• 英文别名: (RS)-3-(1-methyl-2-propenyl)4-oxocyclopent-2-en-1-ol；2-(α-methylallyl)-4-hydroxy-2-cyclopentenone；2-but-3-en-2-yl-4-hydroxycyclopent-2-en-1-one
• CAS: 79575-80-7
• 化学式: C₉H₁₂O₂
• 分子量: 152.193
• InChiKey: BPDIZZYKNXWROZ-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.8
• 重原子数：
  11
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.44
• 拓扑面积：
  37.3
• 氢给体数：
  1
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  4-hydroxy-2-(1-methyl-2-propenyl)-2-cyclopenten-1-one 生成 (3-but-3-en-2-yl-4-oxocyclopent-2-en-1-yl) (1R,3S)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate
  参考文献：
  名称：

  MATSUI, MASANAO;CHUN-ENG, LIAU;KOGAMI, KUNIO;YANO, TOSHIHIKO;MATSUO, NORI+

  摘要：

  DOI：
• 作为产物：
  描述：

  (+/-)-3-hydroxy-2-(1-methyl-2-propenyl)-4-cyclopenten-1-one 以95%的产率得到4-hydroxy-2-(1-methyl-2-propenyl)-2-cyclopenten-1-one
  参考文献：
  名称：

  Cyclopropanecarboxylates, their production and insecticide containing

  摘要：

  本发明涉及公式（I）的羧酸酯，其中R₁是氢原子或甲基基团，当R₁是氢原子时，R₂是以下式的基团，（其中X是甲基基团、氯、溴或氟原子），当R₁是甲基基团时，R₂是甲基基团；Y是1-甲基-2-丙烯基、1-甲基-2-丙炔基、2-环戊烯基或2-环己烯基，以及它们作为杀虫剂的制备和使用。

  公开号：

  US04496586A1

文献信息

• Ester compound, active agent for controlling noxious insect pests
  申请人：Sumitomo Chemical Company, Limited

  公开号：US05550258A1

  公开（公告）日：1996-08-27

  The present invention provides an ester compound represented by a formula I: ##STR1## wherein R.sub.1 denotes a hydrogen atom or a methyl group; R.sub.2 represents a 1-methyl-2-propenyl group, a 1-methyl-2-propynyl group, a 3,3-dihalogeno-1-methyl-2-propenyl group, or a C.sub.1 -C.sub.1 6 alkyl group which may be substituted with at least one halogen atom; and R.sub.3 represents an acid residue of pyrethroids. The invention also relates to an active agent for controlling noxious insect pests containing the ester compound as an active ingredient, an intermediate for production of the ester compound and a process for producing the intermediate. The ester compound represented by the formula I has good activities for controlling noxious insect pests.

  本发明提供了一种由公式I表示的酯化合物：##STR1## 其中R1表示氢原子或甲基；R2表示1-甲基-2-丙烯基，1-甲基-2-丙炔基，3,3-二卤代-1-甲基-2-丙烯基或C1-C16的烷基，该烷基可被至少一个卤素原子取代；R3表示拟除虫菊酯的酸残基。本发明还涉及一种含有该酯化合物作为活性成分的用于控制有害昆虫的活性剂，用于生产该酯化合物的中间体以及生产该中间体的方法。公式I所表示的酯化合物对控制有害昆虫具有良好的活性。
• Process for preparing cyclopentenolones
  申请人：Sumitomo Chemical Company, Limited

  公开号：US04398043A1

  公开（公告）日：1983-08-09

  A process for preparing cyclopentenolones of the formula: ##STR1## wherein R.sub.1 is a straight, branched or cyclic alkyl group having not more than 6 carbon atoms, a straight, branched or cyclic alkenyl group having not more than 6 carbon atoms, a straight or branched alkynyl group having not more than 6 carbon atoms or a group of the formula: ##STR2## wherein R.sub.2 is a hydrogen atom, a methyl group or a halogen atom directly from the corresponding furan-carbinols of the formula: ##STR3## wherein R.sub.1 is as defined above in a single step with an excellent yield, characterized in that the furan-carbinols are treated with water in the presence or absence of a catalyst.

  一种制备环戊烯酮的方法，其化学式为：##STR1## 其中R.sub.1是直链、支链或环烷基，其碳原子数不超过6个；直链、支链或环烯基，其碳原子数不超过6个；直链或支链炔基，其碳原子数不超过6个；或者是化学式：##STR2## 其中R.sub.2是氢原子、甲基基团或卤素原子。该方法可直接从相应的呋喃-碳醇中以极高的收率一步制备出所需的环戊烯酮，其中呋喃-碳醇在存在或不存在催化剂的情况下与水反应。
• A method for purification of cyclopentenolones
  申请人：SUMITOMO CHEMICAL COMPANY, LIMITED

  公开号：EP0065356A1

  公开（公告）日：1982-11-24

  Purification of cyclopentenolone such as, for example, 2-propargyl-3-methyl-4-hydroxy-2-cyclopenten-1-one, which is an intermediate to manufacture pyrethroidal insecticides, is made by reacting with calcium chloride to form the cyclopentenolone-calcium chloride complex and then decomposing the complex with water.

  环戊烯酮的提纯，例如 2-丙炔基-3-甲基-4-羟基-2-环戊烯-1-酮，是制造拟除虫菊酯类杀虫剂的中间体，其提纯方法是与氯化钙反应形成环戊烯酮-氯化钙络合物，然后用水分解该络合物。
• Ester compound, active agent for controlling noxious insect pests containing the same as active ingredient, intermediate for production of the ester compound, and process for producing the intermediate
  申请人：SUMITOMO CHEMICAL COMPANY, LIMITED

  公开号：EP0643037A1

  公开（公告）日：1995-03-15

  The present invention provides an ester compound represented by a formula I: wherein R₁ denotes a hydrogen atom or a methyl group; R₂ represents a 1-methyl-2-propenyl group, a 1-methyl-2-propynyl group, a 3,3-dihalogeno-1-methyl-2-propenyl group, or a C₁-C₁6 alkyl group which may be substituted with at least one halogen atom; and R₃ represents an acid residue of pyrethroids. The invention also relates to an active agent for controlling noxious insect pests containing the ester compound as an active ingredient, an intermediate for production of the ester compound and a process for producing the intermediate. The ester compound represented by the formula I has good activities for controlling noxious insect pests.

  本发明提供了一种由式 I 代表的酯类化合物： 其中 R₁ 表示氢原子或甲基； R₂ 表示 1-甲基-2-丙烯基、1-甲基-2-丙炔基、3,3-二卤代-1-甲基-2-丙 烯基或可被至少一个卤原子取代的 C₁-C₁6 烷基；以及 R₃ 代表拟除虫菊酯的酸残基。 本发明还涉及一种含有酯类化合物作为活性成分的防治有害害虫的活性剂、一种生产酯类化合物的中间体和一种生产该中间体的工艺。式 I 所代表的酯类化合物具有良好的防治有害害虫的活性。
• New cyclopropanecarboxylates, their production and insecticide containing them as an active ingredient
  申请人：SUMITOMO CHEMICAL COMPANY, LIMITED

  公开号：EP0050454B1

  公开（公告）日：1984-08-29