ethyl 5-(4-hydroxy-3-methoxyphenyl)-7-methyl-3-oxo-2,3-dihydro-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate | 486994-05-2

• 分子结构分类: 有机化合物 - 苯类化合物 - 酚类
• 英文名称: ethyl 5-(4-hydroxy-3-methoxyphenyl)-7-methyl-3-oxo-2,3-dihydro-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
• 英文别名: ethyl 5-(4-hydroxy-3-methoxyphenyl)-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
• CAS: 486994-05-2
• 化学式: C₁₇H₁₈N₂O₅S
• 分子量: 362.406
• InChiKey: QZBIWCVEAGTPQX-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2
• 重原子数：
  25
• 可旋转键数：
  5
• 环数：
  3.0
• sp3杂化的碳原子比例：
  0.35
• 拓扑面积：
  114
• 氢给体数：
  1
• 氢受体数：
  7

反应信息

• 作为反应物：
  描述：

  ethyl 5-(4-hydroxy-3-methoxyphenyl)-7-methyl-3-oxo-2,3-dihydro-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate 在 劳森试剂 、 二甲基亚砜 作用下， 以 二氯甲烷 为溶剂， 反应 16.0h， 以38%的产率得到ethyl (2E)-2-[6-(ethoxycarbonyl)-5-(4-hydroxy-3-methoxyphenyl)-7-methyl-3-oxo-5H-[1,3]thiazolo[3,2-a]pyrimidin-2(3H)-ylidene]-5-(4-hydroxy-3-methoxyphenyl)-7-methyl-3-oxo-2,3-dihydro-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
  参考文献：
  名称：

  Oxidation of thiazolo[3,2-a]pyrimidin-3(2H)-ones with DMSO and Lawesson’s reagent

  摘要：

  2,2'-Dimers with a central double bond were prepared by the oxidation of 5,6-disubstituted 7-methyl-5H-[1,3]thiazolo[3,2-a]pyrimidin-3(2H)-ones with DMSO and Lawesson's reagent at room temperature. The role of DMSO as an oxidizing reagent was confirmed by NMR spectroscopy. The E-configuration of the central C=C bond for the two diastereomers of compound 8m was proven by single crystal X-ray data. The dimeric thiazolopyrimidines were orange or red colored and absorption bands at 283-330 and 459-476 nm were observed in the UV spectra. (C) 2018 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.tetlet.2018.02.014
• 作为产物：
  描述：

  氯乙酸乙酯 、 ethyl 4-(4-hydroxy-3-methoxyphenyl)-6-methyl-2-sulfanylidene-3,4-dihydro-1H-pyrimidine-5-carboxylate 在 氨 作用下， 以 乙醇 为溶剂， 反应 0.5h， 以54%的产率得到ethyl 5-(4-hydroxy-3-methoxyphenyl)-7-methyl-3-oxo-2,3-dihydro-5H-[1,3]thiazolo[3,2-a]pyrimidine-6-carboxylate
  参考文献：
  名称：

  Oxidation of thiazolo[3,2-a]pyrimidin-3(2H)-ones with DMSO and Lawesson’s reagent

  摘要：

  2,2'-Dimers with a central double bond were prepared by the oxidation of 5,6-disubstituted 7-methyl-5H-[1,3]thiazolo[3,2-a]pyrimidin-3(2H)-ones with DMSO and Lawesson's reagent at room temperature. The role of DMSO as an oxidizing reagent was confirmed by NMR spectroscopy. The E-configuration of the central C=C bond for the two diastereomers of compound 8m was proven by single crystal X-ray data. The dimeric thiazolopyrimidines were orange or red colored and absorption bands at 283-330 and 459-476 nm were observed in the UV spectra. (C) 2018 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.tetlet.2018.02.014

文献信息

• Pathak, Arun; Narayanaswamy, Venugopala Katharigatta; Joshi, Aakanksha, Indian Journal of Heterocyclic Chemistry, 2010, vol. 19, # 3, p. 273 - 276
  作者：Pathak, Arun、Narayanaswamy, Venugopala Katharigatta、Joshi, Aakanksha、Rao, Gopal Krishna、Devi, Kalpana

  DOI：——

  日期：——
• Oxidation of thiazolo[3,2-a]pyrimidin-3(2H)-ones with DMSO and Lawesson’s reagent
  作者：Eugenia A. Lashmanova、Anastasiya I. Kirdyashkina、Pavel A. Slepukhin、Andrey K. Shiryaev

  DOI：10.1016/j.tetlet.2018.02.014

  日期：2018.3

  2,2'-Dimers with a central double bond were prepared by the oxidation of 5,6-disubstituted 7-methyl-5H-[1,3]thiazolo[3,2-a]pyrimidin-3(2H)-ones with DMSO and Lawesson's reagent at room temperature. The role of DMSO as an oxidizing reagent was confirmed by NMR spectroscopy. The E-configuration of the central C=C bond for the two diastereomers of compound 8m was proven by single crystal X-ray data. The dimeric thiazolopyrimidines were orange or red colored and absorption bands at 283-330 and 459-476 nm were observed in the UV spectra. (C) 2018 Elsevier Ltd. All rights reserved.