Acetic acid (1S,2S,3R,4R)-3-(tert-butyl-dimethyl-silanyloxymethyl)-7-oxa-bicyclo[2.2.1]hept-5-en-2-ylmethyl ester | 198822-19-4

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 英文名称: Acetic acid (1S,2S,3R,4R)-3-(tert-butyl-dimethyl-silanyloxymethyl)-7-oxa-bicyclo[2.2.1]hept-5-en-2-ylmethyl ester
• CAS: 198822-19-4
• 化学式: C₁₆H₂₈O₄Si
• 分子量: 312.481
• InChiKey: DXECWURLFBMKLC-CBBWQLFWSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.14
• 重原子数：
  21.0
• 可旋转键数：
  5.0
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.81
• 拓扑面积：
  44.76
• 氢给体数：
  0.0
• 氢受体数：
  4.0

反应信息

• 作为反应物：
  描述：

  Acetic acid (1S,2S,3R,4R)-3-(tert-butyl-dimethyl-silanyloxymethyl)-7-oxa-bicyclo[2.2.1]hept-5-en-2-ylmethyl ester 在 氢氧化钾 、 戴斯-马丁氧化剂 、 lithium diisopropyl amide 作用下， 以 甲醇 、 二氯甲烷 为溶剂， 反应 3.5h， 生成 (1R)-1-[(1S,2S,3R,4R)-3-[[tert-butyl(dimethyl)silyl]oxymethyl]-7-oxabicyclo[2.2.1]hept-5-en-2-yl]-1-hydroxyhexan-3-one
  参考文献：
  名称：

  A novel and efficient stereoselective synthesis of the southern part of pamamycin-607

  摘要：

  The C1'C11' portion of the antibiotic pamamycin-607 Was synthesized from the enantiomerically pure hydroxy acetate 3, readily available by enzymatic transesterification of the corresponding diol with vinylacetate. This synthesis entailed a series of stereoselective transformations: the absolute configurations of C-6' and C-8' were fixed by an aldol condensation followed by an anti-reduction of the resulting beta-hydroxyketone. The configurations of the last two asymmetric centers C-2' and C-3' were controlled by a novel highly diastereoselective intramolecular cyclization catalyzed by fluoride ions. (C) 1997 Elsevier Science Ltd.

  DOI：

  10.1016/s0957-4166(97)00475-8
• 作为产物：
  描述：

  叔丁基二甲基氯硅烷 、 (1S,2S,3R,4R)-2-乙酰氧基甲基-3-羟甲基-7-氧杂双环[2.2.1]庚-5-烯 在 咪唑 作用下， 以 N,N-二甲基甲酰胺 为溶剂， 反应 1.0h， 以95%的产率得到Acetic acid (1S,2S,3R,4R)-3-(tert-butyl-dimethyl-silanyloxymethyl)-7-oxa-bicyclo[2.2.1]hept-5-en-2-ylmethyl ester
  参考文献：
  名称：

  A novel and efficient stereoselective synthesis of the southern part of pamamycin-607

  摘要：

  The C1'C11' portion of the antibiotic pamamycin-607 Was synthesized from the enantiomerically pure hydroxy acetate 3, readily available by enzymatic transesterification of the corresponding diol with vinylacetate. This synthesis entailed a series of stereoselective transformations: the absolute configurations of C-6' and C-8' were fixed by an aldol condensation followed by an anti-reduction of the resulting beta-hydroxyketone. The configurations of the last two asymmetric centers C-2' and C-3' were controlled by a novel highly diastereoselective intramolecular cyclization catalyzed by fluoride ions. (C) 1997 Elsevier Science Ltd.

  DOI：

  10.1016/s0957-4166(97)00475-8