5-chloro-4,4-dimethyl-1-pentyne | 863234-25-7

• 分子结构分类: 有机化合物 - 乙炔化物
• 英文名称: 5-chloro-4,4-dimethyl-1-pentyne
• 英文别名: 5-Chloro-4,4-dimethylpent-1-yne
• CAS: 863234-25-7
• 化学式: C₇H₁₁Cl
• mdl: MFCD19233156
• 分子量: 130.617
• InChiKey: YAQWWMHCWLKYQI-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.6
• 重原子数：
  8
• 可旋转键数：
  2
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.714
• 拓扑面积：
  0
• 氢给体数：
  0
• 氢受体数：
  0

反应信息

• 作为反应物：
  描述：

  5-chloro-4,4-dimethyl-1-pentyne 、 p-(trifluoromethyl)phenyl(difluoro)-λ3-bromane 在 boron trifluoride-diisopropyl etherate 作用下， 反应 3.5h， 以78%的产率得到(E)-(2-chloro-4-fluoro-4-methyl-1-hexenyl)[4-(trifluoromethyl)phenyl](tetrafluoroborato)-λ³-bromane
  参考文献：
  名称：

  Synthesis and Characterization of β-Haloalkenyl-λ³-bromanes:  Stereoselective Markovnikov Addition of Difluoro(aryl)-λ³-bromane to Terminal Acetylenes

  摘要：

  Reported here for the first time are the synthesis, isolation, and characterization of hypervalent beta-haloalkenyl-lambda3-bromanes. Exposure of terminal alkynes to p-trifluoromethylphenyl(difluoro)-lambda3-bromane activated by BF3-i-Pr2O resulted in fluoro-lambda3-bromanation of the triple bonds in a Markovnikov fashion, yielding (E)-beta-fluoroalkenyl-lambda3-bromanes stereoselectively in good yields. 5-Chloro-1-pentynes undergo domino lambda3-bromanation-chlorine shift-fluorination or lambda3-bromanation-chlorine shift-alkyl shift-fluorination reaction, depending on the substituents and afford (E)-beta-chloroalkenyl-lambda3-bromanes stereoselectively in high yields. The beta-chloroalkenyl-lambda3-bromanes contain three kinds of halogen atoms, F, Cl, and Br, in the molecule.

  DOI：

  10.1021/ja051690f
• 作为产物：
  描述：

  2,2-二甲基-4-戊炔-1-醇甲苯磺酸酯 在 lithium chloride 作用下， 以 N,N-二甲基甲酰胺 为溶剂， 反应 13.0h， 以63%的产率得到5-chloro-4,4-dimethyl-1-pentyne
  参考文献：
  名称：

  Synthesis and Characterization of β-Haloalkenyl-λ³-bromanes:  Stereoselective Markovnikov Addition of Difluoro(aryl)-λ³-bromane to Terminal Acetylenes

  摘要：

  Reported here for the first time are the synthesis, isolation, and characterization of hypervalent beta-haloalkenyl-lambda3-bromanes. Exposure of terminal alkynes to p-trifluoromethylphenyl(difluoro)-lambda3-bromane activated by BF3-i-Pr2O resulted in fluoro-lambda3-bromanation of the triple bonds in a Markovnikov fashion, yielding (E)-beta-fluoroalkenyl-lambda3-bromanes stereoselectively in good yields. 5-Chloro-1-pentynes undergo domino lambda3-bromanation-chlorine shift-fluorination or lambda3-bromanation-chlorine shift-alkyl shift-fluorination reaction, depending on the substituents and afford (E)-beta-chloroalkenyl-lambda3-bromanes stereoselectively in high yields. The beta-chloroalkenyl-lambda3-bromanes contain three kinds of halogen atoms, F, Cl, and Br, in the molecule.

  DOI：

  10.1021/ja051690f

文献信息

• [EN] 4-(3,3-DIHALO-ALLYLOXY)PHENOXY ALKYL DERIVATIVES<br/>[FR] DERIVES 4-(3,3-DIHALO-ALLYLOXY)PHENOXYALKYLE
  申请人：SYNGENTA PARTICIPATIONS AG

  公开号：WO2004002943A1

  公开（公告）日：2004-01-08

  Compounds of formula (I), wherein A1, A2 and A3 are each independently of the others a bond or a C1-C6alkylene bridge; A4 is a C1-C6alkylene bridge; Di s CH or N; W is, for example, O, NR7 or S; T is, for example, a bond, O, NH or NR7; Q is O, NR7, S, SO or SO2; Y is O, NR7, S, SO, or SO2; X1 and X2 are each independently of the other fluorine, chlorine or bromine; R1, R2 and R3 ar, for example, H, halogen, CN, nitro, C1-C6alkyl, C1-C6haloalkyl, C1-C6alkylcarbonyl or C2-C6alkenyl; R4 is, for example, H, halogen, CN, nitro or C1-C6alkyl; R5 and R6 are, for example, H, CN, OH, C1-C6alkyl, C3-C8cycloalkyl, C3-C8cycloalkyl-C1-C6alkyl, C1-C6 haloalky, C1-C6alkoxy or C1-C6haloalkoxy; R7 is H, C1-C6alkyl, C1-C6alkoxyalkyl or C1-C6alkylcarbonyl; k, when D is nitrogen, is 1, 2 or 3; or, when D is CH, is 1, 2, 3 or 4; and m is 1 or 2; and, where applicable, their possible E/Z isomers, E/Z isomeric mixtures and/or tautomers, in each case in free form or in salt form, a process for the preparation of those compounds and their use, pesticidal compositions in which the active ingredient has been selected from those compounds or an agrochemically acceptable salt thereof, a process for the preparation of those compositions and their use, plant propagation material treated with those compositions, and a method of controlling pests.

  化学式为（I）的化合物，其中A1、A2和A3各自独立地为键或C1-C6烷基桥；A4为C1-C6烷基桥；Di为CH或N；W为例如O、NR7或S；T为例如键、O、NH或NR7；Q为O、NR7、S、SO或SO2；Y为O、NR7、S、SO或SO2；X1和X2各自独立地为氟、氯或溴；R1、R2和R3例如为H、卤素、CN、硝基、C1-C6烷基、C1-C6卤代烷基、C1-C6烷基羰基或C2-C6烯基；R4例如为H、卤素、CN、硝基或C1-C6烷基；R5和R6例如为H、CN、OH、C1-C6烷基、C3-C8环烷基、C3-C8环烷基-C1-C6烷基、C1-C6卤代烷氧基或C1-C6烷氧基；R7为H、C1-C6烷基、C1-C6烷氧基烷基或C1-C6烷基羰基；当D为氮时，k为1、2或3；或当D为CH时，k为1、2、3或4；m为1或2；适用时，它们的可能的E/Z异构体、E/Z异构体混合物和/或互变异构体，均为自由形式或盐形式，制备这些化合物的方法及其用途，所述活性成分被选自这些化合物或其农药学上可接受的盐的杀虫剂组合物，制备这些组合物的方法及其用途，用这些组合物处理的植物繁殖材料，以及控制害虫的方法。
• Internal Delivery of Soft Chlorine and Bromine Atoms:  Stereoselective Synthesis of (<i>E</i>)-β-Halogenovinyl(aryl)-λ³-iodanes through Domino λ³-Iodanation−1,4-Halogen Shift−Fluorination of Alkynes
  作者：Masahito Ochiai、Masaya Hirobe、Akira Yoshimura、Yoshio Nishi、Kazunori Miyamoto、Motoo Shiro

  DOI：10.1021/ol071345q

  日期：2007.8.1

  4-(Difluoroiodo)toluene-induced domino lambda(3)-iodanation-1,4-halogen shift-ring enlargement-fluorination reaction of 5-halopentynes with a four-, five-, or six-membered carbocycle afforded the ring-expanded (E)-delta-fluoro-beta-halovinyl-lambda(3)-iodanes stereoselectively in high yields, probably via the intermediacy of five-membered halonium ions. Use of internal alkynes makes it possible to synthesize tetrasubstituted beta-halovinyl-lambda(3)-iodanes with defined stereochemistry.
• 4-(3,3-DIHALO-ALLYLOXY)PHENOXY ALKYL DERIVATIVES
  申请人：Syngenta Participations AG

  公开号：EP1517881A1

  公开（公告）日：2005-03-30
• Synthesis and Characterization of β-Haloalkenyl-λ³-bromanes:  Stereoselective Markovnikov Addition of Difluoro(aryl)-λ³-bromane to Terminal Acetylenes
  作者：Masahito Ochiai、Yoshio Nishi、Takeshi Mori、Norihiro Tada、Takashi Suefuji、Hermann J. Frohn

  DOI：10.1021/ja051690f

  日期：2005.8.1

  Reported here for the first time are the synthesis, isolation, and characterization of hypervalent beta-haloalkenyl-lambda3-bromanes. Exposure of terminal alkynes to p-trifluoromethylphenyl(difluoro)-lambda3-bromane activated by BF3-i-Pr2O resulted in fluoro-lambda3-bromanation of the triple bonds in a Markovnikov fashion, yielding (E)-beta-fluoroalkenyl-lambda3-bromanes stereoselectively in good yields. 5-Chloro-1-pentynes undergo domino lambda3-bromanation-chlorine shift-fluorination or lambda3-bromanation-chlorine shift-alkyl shift-fluorination reaction, depending on the substituents and afford (E)-beta-chloroalkenyl-lambda3-bromanes stereoselectively in high yields. The beta-chloroalkenyl-lambda3-bromanes contain three kinds of halogen atoms, F, Cl, and Br, in the molecule.