N-Tosyl-5,5-dimethyl-4-vinyl-2-oxazolidinone | 169179-91-3

• 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: N-Tosyl-5,5-dimethyl-4-vinyl-2-oxazolidinone
• 英文别名: N-p-toluenesulfonyl-5,5-dimethyl-4-vinyl-2-oxazolidinone；4-Ethenyl-5,5-dimethyl-3-(4-methylbenzene-1-sulfonyl)-1,3-oxazolidin-2-one；4-ethenyl-5,5-dimethyl-3-(4-methylphenyl)sulfonyl-1,3-oxazolidin-2-one
• CAS: 169179-91-3
• 化学式: C₁₄H₁₇NO₄S
• 分子量: 295.359
• InChiKey: LBWFAKDIJNCTNW-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.7
• 重原子数：
  20
• 可旋转键数：
  3
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.36
• 拓扑面积：
  72.1
• 氢给体数：
  0
• 氢受体数：
  4

反应信息

• 作为产物：
  描述：

  [(Z)-4-methyl-4-[(4-methylphenyl)sulfonylcarbamoyloxy]pent-2-enyl] acetate 在 palladium diacetate lithium bromide 作用下， 以 四氢呋喃 为溶剂， 生成 N-Tosyl-5,5-dimethyl-4-vinyl-2-oxazolidinone
  参考文献：
  名称：

  钯（II）催化双官能烯丙基N-甲苯磺酰胺的高度区域和非对映选择性环化。光学活性的4-乙烯基-2-恶唑烷酮的简便合成和1,4-二脱氧-1,4-亚氨基-L-木糖醇的全合成。

  摘要：

  具有高区域选择性和非对映选择性的Pd（II）催化双功能烯丙基氨基甲苯基氨基甲酸酯在卤化物离子存在下的环化反应。该反应涉及烯烃的氨基钯催化和β-杂原子消除，以再生Pd（II）物质。当将容易获得的高手性醇用作底物时，容易获得高旋光性的4-乙烯基-2-恶唑烷酮。该方法的实用性以方便地合成1，4-二脱氧-1，4-亚氨基-L-木糖醇为例。

  DOI：

  10.1021/jo0161429

文献信息

• Silver(I)-Catalyzed Aminocyclization of 2,3-Butadienyl and 3,4-Pentadienyl Carbamates: An Efficient and Stereoselective Synthesis of 4-Vinyl-2-oxazolidinones and 4-Vinyltetrahydro-2<i>H</i>-1,3-oxazin-2-ones
  作者：Masanari Kimura、Shuji Tanaka、Yoshinao Tamaru

  DOI：10.1246/bcsj.68.1689

  日期：1995.6

  Silver(I) salts in combination with an appropriate base (mostly triethylamine) catalyzed the aminocyclization of N-substituted 2,3-butadienyl carbamates 1 (benzene, 50 °C) to provide 4-vinyl-2-oxazolidinones 2 in good yields. The stereoselectivity (trans-2/cis-2) ranged from 1.4 for C5-Me to >30 for C5-phenyl, isopropenyl, and t-butyl derivatives. 3,4-Pentadienyl tosylcarbamates 3, the one-carbon higher homologues of 1, underwent a similar cyclization to give 4-vinyltetrahydro-2H-1,3-oxazin-2-one 4 in synthetically useful yields and in higher trans selectivities than 1.

  银(I)盐与适当的碱（主要是三乙胺）催化N-取代的2,3-丁二烯基氨基甲酸酯1（苯，50°C）进行环化反应，以良好产率得到4-乙烯基-2-恶唑啉酮2。立体选择性（反式2/顺式2）从C5-甲基的1.4到C5-苯基、异丙烯基和叔丁基衍生物的>30不等。3,4-戊二烯基对甲苯磺酰氨基甲酸酯3，作为1的碳数多一的同系物，经历了类似的环化反应，以合成上有用的产率得到4-乙烯基四氢-2H-1,3-恶嗪-2-酮4，并且其反式选择性高于1。
• Palladium-Catalyzed Stereoselective Allylaminocyclization and 1,3-Butadien-2-ylaminocyclization of Allenyl Tosylcarbamates
  作者：Masanari Kimura、Shuji Tanaka、Yoshinao Tamaru

  DOI：10.1021/jo00117a031

  日期：1995.6

  Palladium [PdCl2(PhCN)(2) or Pd-2(dba)(3) . CHCl3 (dba = dibenzylideneacetone)], in the presence of a base (Et(3)N or K2CO3) in THF at room temperature, catalyzes an allylaminocyclization of 2,3-butadienyl tosylcarbamates 1 with allylic chlorides to selectively provide trans-4,5-disubstituted 2-oxazolidinones 2 in good yields. Under similar conditions, Pd(PPh(3))(4) catalyzes an N-allylation of 1 to give 3. A limited number of 3,4-pentadienyl tosylcarbamates 5 undergo the allylaminocyclization to provide tetrahydro-1,3-oxazin-2-ones 6. In the absence of an allylic chloride, Pd(PPh(3))(4) and PdCl2(PhCN)(2) catalyze a formal dimerization of 1 to provide C-4-triene-substituted 2-oxazolidinones 4 in moderate to good yields.
• Palladium(II)-Catalyzed Highly Regio- and Diastereoselective Cyclization of Difunctional Allylic <i>N</i>-Tosylcarbamates. A Convenient Synthesis of Optically Active 4-Vinyl-2-oxazolidinones and Total Synthesis of 1,4-Dideoxy-1,4-imino-<scp>l</scp>-xylitol
  作者：Aiwen Lei、Guosheng Liu、Xiyan Lu

  DOI：10.1021/jo0161429

  日期：2002.2.1

  A Pd(II)-catalyzed cyclization of difunctional allylic N-tosyl carbamates in the presence of halide ions was developed with high regio- and diastereoselectivity. The reaction involves aminopalladation of alkene and beta-heteroatom elimination to regenerate Pd(II) species. When the readily available homochiral alcohols were used as substrates, highly optically active 4-vinyl-2-oxazolidinones were easily

  具有高区域选择性和非对映选择性的Pd（II）催化双功能烯丙基氨基甲苯基氨基甲酸酯在卤化物离子存在下的环化反应。该反应涉及烯烃的氨基钯催化和β-杂原子消除，以再生Pd（II）物质。当将容易获得的高手性醇用作底物时，容易获得高旋光性的4-乙烯基-2-恶唑烷酮。该方法的实用性以方便地合成1，4-二脱氧-1，4-亚氨基-L-木糖醇为例。