(E,2S,3R)-3-methoxy-2,4-dimethylhex-4-enal | 1197011-37-2

• 分子结构分类: 有机化合物 - 有机氧化合物
• 英文名称: (E,2S,3R)-3-methoxy-2,4-dimethylhex-4-enal
• CAS: 1197011-37-2
• 化学式: C₉H₁₆O₂
• 分子量: 156.225
• InChiKey: BDBHHPDFTHAXKD-FQDVODHFSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.6
• 重原子数：
  11
• 可旋转键数：
  4
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.67
• 拓扑面积：
  26.3
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  乙氧甲酰基亚乙基三苯基 、 (E,2S,3R)-3-methoxy-2,4-dimethylhex-4-enal 以 二甲基亚砜 为溶剂， 反应 48.0h， 以3.32 g的产率得到(2E,6E)-(4R,5R)-5-Methoxy-2,4,6-trimethyl-octa-2,6-dienoic acid ethyl ester
  参考文献：
  名称：

  Total synthesis of (+)-piericidin A1 and (−)-piericidin B1

  摘要：

  The convergent syntheses of (+)-piericidin A(1) 1 and (-)-piericidin B-1 2 have been achieved based on classical Julia-Lythgoe olefination between 4-hydroxy-5,6-dimethoxy-3-methyl-2-[5-oxo-3-methyl-pent-(2E)-enyl]-pyridine 3 corresponding to the left half of the final molecule, and chiral phenyl sulfones, (4R,5R)-2,4,6-trimethyl-5-methoxy-1-phenylsulfonyl-octa-(2E,6E)-diene 20 and (4R,5R)-5-tert-butyldimethylsiloxy-2,4,6-trimethyl-1-phenylsulfonyl-octa-(2E,6E)-diene 33, corresponding to the right halves. The construction of the two stereogenic centers in the right half of piericidins was achieved based on lipase-catalyzed hydrolysis of methyl (2,3)-anti-3-acetoxy-2,4-dimethyl-hex-(4E)-enoate (+/-)-22. (C) 2009 Published by Elsevier Ltd.

  DOI：

  10.1016/j.tetasy.2009.07.044
• 作为产物：
  描述：

  (2R,3R)-3-methoxy-2,4-dimethyl-hex-(4E)-en-1-ol 在 草酰氯 、 二甲基亚砜 、 三乙胺 作用下， 以 二氯甲烷 为溶剂， 生成 (E,2S,3R)-3-methoxy-2,4-dimethylhex-4-enal
  参考文献：
  名称：

  Total synthesis of (+)-piericidin A1 and (−)-piericidin B1

  摘要：

  The convergent syntheses of (+)-piericidin A(1) 1 and (-)-piericidin B-1 2 have been achieved based on classical Julia-Lythgoe olefination between 4-hydroxy-5,6-dimethoxy-3-methyl-2-[5-oxo-3-methyl-pent-(2E)-enyl]-pyridine 3 corresponding to the left half of the final molecule, and chiral phenyl sulfones, (4R,5R)-2,4,6-trimethyl-5-methoxy-1-phenylsulfonyl-octa-(2E,6E)-diene 20 and (4R,5R)-5-tert-butyldimethylsiloxy-2,4,6-trimethyl-1-phenylsulfonyl-octa-(2E,6E)-diene 33, corresponding to the right halves. The construction of the two stereogenic centers in the right half of piericidins was achieved based on lipase-catalyzed hydrolysis of methyl (2,3)-anti-3-acetoxy-2,4-dimethyl-hex-(4E)-enoate (+/-)-22. (C) 2009 Published by Elsevier Ltd.

  DOI：

  10.1016/j.tetasy.2009.07.044

文献信息

• Total synthesis of (+)-piericidin A1 and (−)-piericidin B1
  作者：Ryosuke Kikuchi、Mikio Fujii、Hiroyuki Akita

  DOI：10.1016/j.tetasy.2009.07.044

  日期：2009.9

  The convergent syntheses of (+)-piericidin A(1) 1 and (-)-piericidin B-1 2 have been achieved based on classical Julia-Lythgoe olefination between 4-hydroxy-5,6-dimethoxy-3-methyl-2-[5-oxo-3-methyl-pent-(2E)-enyl]-pyridine 3 corresponding to the left half of the final molecule, and chiral phenyl sulfones, (4R,5R)-2,4,6-trimethyl-5-methoxy-1-phenylsulfonyl-octa-(2E,6E)-diene 20 and (4R,5R)-5-tert-butyldimethylsiloxy-2,4,6-trimethyl-1-phenylsulfonyl-octa-(2E,6E)-diene 33, corresponding to the right halves. The construction of the two stereogenic centers in the right half of piericidins was achieved based on lipase-catalyzed hydrolysis of methyl (2,3)-anti-3-acetoxy-2,4-dimethyl-hex-(4E)-enoate (+/-)-22. (C) 2009 Published by Elsevier Ltd.