1-(3,4-Dimethoxyphenyl)-3-(dimethyl-lambda4-sulfanylidene)-5-phenylpentane-2,4-dione | 184166-40-3

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: 1-(3,4-Dimethoxyphenyl)-3-(dimethyl-lambda4-sulfanylidene)-5-phenylpentane-2,4-dione
• 英文别名: 1-(3,4-dimethoxyphenyl)-3-(dimethyl-λ4-sulfanylidene)-5-phenylpentane-2,4-dione
• CAS: 184166-40-3
• 化学式: C₂₁H₂₄O₄S
• 分子量: 372.485
• InChiKey: LAOAXIUEVZRPBT-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.8
• 重原子数：
  26
• 可旋转键数：
  8
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.29
• 拓扑面积：
  71.8
• 氢给体数：
  0
• 氢受体数：
  5

反应信息

• 作为反应物：
  描述：

  1-(3,4-Dimethoxyphenyl)-3-(dimethyl-lambda4-sulfanylidene)-5-phenylpentane-2,4-dione 在 溶剂黄146 、 锌 作用下， 以 二氯甲烷 为溶剂， 以68%的产率得到1-phenyl-5-(3,4-dimethoxyphenyl)-2,4-pentanedione
  参考文献：
  名称：

  3-Unsubstituted 1,5-Diaryl-2,4-pentanediones and -4-methoxy-2-pentanones:  Synthesis via Corresponding 3-Hydroxy Ketones Generated from 2-Isoxazolines

  摘要：

  Aryl acetaldoximes are reacted with allylarenes in the presence of sodium hypochlorite to give 3,5-bis(arylmethyl)-2-isoxazolines which are then converted to 1,5-diaryl-4-hydroxy-2-pentanones by a reductive hydrogenation in the presence of water. These intermediate aldols can then be either oxidized with Corey-Kim reagent to stable dimethylsulfonium 1-(arylacetyl)-2-oxo-3-arylpropylides followed by zinc-acetic acid reduction to give 1,5-diaryl-2,4-pentanediones, or converted to 1,5-diaryl-4-methoxy-2-pentanones by refluxing in methanol in the presence of hydrochloric acid. A detailed study of this general route is reported here.

  DOI：

  10.1021/jo960887a
• 作为产物：
  描述：

  苯乙醛肟 在 镍 吡啶 、 sodium hypochlorite 、 N-氯代丁二酰亚胺 、 水 、 氢气 、 溶剂黄146 、 三乙胺 作用下， 以 甲醇 、 二氯甲烷 、 氯仿 为溶剂， 反应 3.5h， 生成 1-(3,4-Dimethoxyphenyl)-3-(dimethyl-lambda4-sulfanylidene)-5-phenylpentane-2,4-dione
  参考文献：
  名称：

  3-Unsubstituted 1,5-Diaryl-2,4-pentanediones and -4-methoxy-2-pentanones:  Synthesis via Corresponding 3-Hydroxy Ketones Generated from 2-Isoxazolines

  摘要：

  Aryl acetaldoximes are reacted with allylarenes in the presence of sodium hypochlorite to give 3,5-bis(arylmethyl)-2-isoxazolines which are then converted to 1,5-diaryl-4-hydroxy-2-pentanones by a reductive hydrogenation in the presence of water. These intermediate aldols can then be either oxidized with Corey-Kim reagent to stable dimethylsulfonium 1-(arylacetyl)-2-oxo-3-arylpropylides followed by zinc-acetic acid reduction to give 1,5-diaryl-2,4-pentanediones, or converted to 1,5-diaryl-4-methoxy-2-pentanones by refluxing in methanol in the presence of hydrochloric acid. A detailed study of this general route is reported here.

  DOI：

  10.1021/jo960887a

文献信息

• 3-Unsubstituted 1,5-Diaryl-2,4-pentanediones and -4-methoxy-2-pentanones:  Synthesis via Corresponding 3-Hydroxy Ketones Generated from 2-Isoxazolines
  作者：Juha T. Pulkkinen、Jouko J. Vepsäläinen

  DOI：10.1021/jo960887a

  日期：1996.1.1

  Aryl acetaldoximes are reacted with allylarenes in the presence of sodium hypochlorite to give 3,5-bis(arylmethyl)-2-isoxazolines which are then converted to 1,5-diaryl-4-hydroxy-2-pentanones by a reductive hydrogenation in the presence of water. These intermediate aldols can then be either oxidized with Corey-Kim reagent to stable dimethylsulfonium 1-(arylacetyl)-2-oxo-3-arylpropylides followed by zinc-acetic acid reduction to give 1,5-diaryl-2,4-pentanediones, or converted to 1,5-diaryl-4-methoxy-2-pentanones by refluxing in methanol in the presence of hydrochloric acid. A detailed study of this general route is reported here.