N,N-dimethyl-2,3-diphenylpropanethioamide | 1437311-16-4

• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 二苯乙烯类
• 英文名称: N,N-dimethyl-2,3-diphenylpropanethioamide
• CAS: 1437311-16-4
• 化学式: C₁₇H₁₉NS
• 分子量: 269.411
• InChiKey: LGMRHSNYEUWJBK-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.9
• 重原子数：
  19
• 可旋转键数：
  4
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.24
• 拓扑面积：
  35.3
• 氢给体数：
  0
• 氢受体数：
  1

反应信息

• 作为反应物：
  描述：

  N,N-dimethyl-2,3-diphenylpropanethioamide 、 对苯醌 在 palladium diacetate 、 三甲基乙酸 作用下， 以 四氯化碳 为溶剂， 反应 24.0h， 以46%的产率得到2-(4-hydroxyphenoxy)-N,N-dimethyl-2,3-diphenylpropanethioamide
  参考文献：
  名称：

  Pd-Catalyzed Site-Selectivep-Hydroxyphenyloxylation of Benzylic α-C(sp³)–H Bonds with 1,4-Benzoquinone

  摘要：

  A Pd-catalyzed, site-selective p-hydroxypheny-loxylation of benzylic alpha-C(sp(3))-H bonds with 1,4-benzoquinone using thioamide as a directing group is reported. 1,4-Benzoquinone is employed as the p-hydroxyphenyloxy source without extra oxidants. This method exclusively gives site selectivity at alpha-C(sp(3))-H bonds rather than the usual beta-C(sp(3))-H bonds through C-H activation mode. The reactions proceed with high functional group tolerance in yields of 42-93%.

  DOI：

  10.1021/acs.orglett.6b02782
• 作为产物：
  描述：

  N,N-二甲基-2-苯基乙酰胺 在 劳森试剂 、 正丁基锂 、 二异丙胺 、 lithium diisopropyl amide 作用下， 以 四氢呋喃 、 甲苯 为溶剂， 反应 18.5h， 生成 N,N-dimethyl-2,3-diphenylpropanethioamide
  参考文献：
  名称：

  Pd-Catalyzed Site-Selectivep-Hydroxyphenyloxylation of Benzylic α-C(sp³)–H Bonds with 1,4-Benzoquinone

  摘要：

  A Pd-catalyzed, site-selective p-hydroxypheny-loxylation of benzylic alpha-C(sp(3))-H bonds with 1,4-benzoquinone using thioamide as a directing group is reported. 1,4-Benzoquinone is employed as the p-hydroxyphenyloxy source without extra oxidants. This method exclusively gives site selectivity at alpha-C(sp(3))-H bonds rather than the usual beta-C(sp(3))-H bonds through C-H activation mode. The reactions proceed with high functional group tolerance in yields of 42-93%.

  DOI：

  10.1021/acs.orglett.6b02782

文献信息

• Pd-catalyzed α-arylation of thioamides
  作者：Hailei Yu、Xuliang Liu、Lei Ding、Qin Yang、Bin Rong、Ang Gao、Baoguo Zhao、Haifeng Yang

  DOI：10.1016/j.tetlet.2013.03.114

  日期：2013.6

  Thioamides are unique and versatile synthetic building blocks with S, N, and alpha-C three adjacent nucleophile centers, however, they are rarely used as carbon nucleophiles for transition-metal-catalyzed C-C coupling reactions. This Letter describes the first Pd-catalyzed alpha-arylation of thioamides and demonstrated the feasibility of the application of thioamides in coupling chemistry. By the coupling process, a variety of alpha-arylated thioamides were prepared in moderate to good yields under mild reaction conditions, which provides an alternative way to access functionalized thioamides as well as a new synthetic transformation for thioamides. High chemoselectivity for thioamide over amide was observed in the reaction. (C) 2013 Elsevier Ltd. All rights reserved.