(3S)-3-isopropyl-5-oxopentanoic acid | 72595-21-2

• 分子结构分类: 有机化合物 - 脂质和类脂质分子 - 脂肪酰基
• 英文名称: (3S)-3-isopropyl-5-oxopentanoic acid
• 英文别名: (3S)-4-methyl-3-(2-oxoethyl)pentanoic acid
• CAS: 72595-21-2
• 化学式: C₈H₁₄O₃
• 分子量: 158.197
• InChiKey: XMOPMCUDKAYLOZ-ZETCQYMHSA-N

物化性质

• 沸点：
  283.8±23.0 °C(Predicted)
• 密度：
  1.031±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  0.7
• 重原子数：
  11
• 可旋转键数：
  5
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.75
• 拓扑面积：
  54.4
• 氢给体数：
  1
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  (3S)-3-isopropyl-5-oxopentanoic acid 在 platinum(IV) oxide 双(乙腈)氯化钯(II) 、 水 、 氢气 、 二甲基氯化铝 、 对甲苯磺酸 作用下， 以 乙醇 、 正己烷 、 二氯甲烷 、 丙酮 为溶剂， 生成 (4S,6S)-6-{(S)-1-[(3S,5S,8R,9S,10S,13S,14S,17R)-3-(tert-Butyl-diphenyl-silanyloxy)-10,13-dimethyl-hexadecahydro-cyclopenta[a]phenanthren-17-yl]-ethyl}-4-isopropyl-tetrahydro-pyran-2-one
  参考文献：
  名称：

  Studies towards the total synthesis of contignasterol

  摘要：

  The (17R,20S,22S,24S) C-20-C-29 segment of contignasterol has been stereoselectively prepared in 8 steps and 40% overall yield from (S)-carvone. Synthetic studies towards contignasterol's C/D ring functionalization/isomerization are also reported. (C) 2004 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.tet.2004.04.083
• 作为产物：
  描述：

  (S)-3-Isopropyl-5,6-dioxo-heptanal 在 sodium periodate 作用下， 以 甲醇 为溶剂， 反应 4.0h， 生成 (3S)-3-isopropyl-5-oxopentanoic acid
  参考文献：
  名称：

  Studies towards the total synthesis of contignasterol

  摘要：

  The (17R,20S,22S,24S) C-20-C-29 segment of contignasterol has been stereoselectively prepared in 8 steps and 40% overall yield from (S)-carvone. Synthetic studies towards contignasterol's C/D ring functionalization/isomerization are also reported. (C) 2004 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.tet.2004.04.083

文献信息

• The total synthesis of (+)-ryanodol. Part II. Model studies for rings B and C of (+)-anhydroryanodol. Preparation of a key pentacyclic intermediate
  作者：Pierre Deslongchamps、André Bélanger、Daniel J. F. Berney、Hans-Juerg Borschberg、Robert Brousseau、Alain Doutheau、Robert Durand、Hajime Katayama、Richard Lapalme、Dominique M. Leturc、Chun-Chen Liao、Frederick N. MacLachlan、Jean-Pierre Maffrand、Fabrizio Marazza、Robert Martino、Claude Moreau、Luc Ruest、Louiselle Saint-Laurent、Roger Saintonge、Pierre Soucy

  DOI：10.1139/v90-022

  日期：1990.1.1

  This paper reports several model studies that were necessary for the rational conception of a simple four-step synthesis (6 + (S)-74 → 81a–b → 83 87 → 89) (Scheme 11) of the carbonate derivative 8...

  本文报告了几个模型研究，这些研究对于合理构想碳酸酯衍生物 8 的简单四步合成 (6 + (S)-74 → 81a–b → 83 87 → 89)（方案 11）是必要的。
• Belanger,A. et al., Canadian Journal of Chemistry, 1979, vol. 57, p. 3348 - 3354
  作者：Belanger,A. et al.

  DOI：——

  日期：——
• DESLONGCHAMPS, PIERRE;BELANGER, ANDRE;BERNEY, DANIEL J. F.;BORSCHBERG, HA+, CAN. J. CHEM., 68,(1990) N, C. 127-152
  作者：DESLONGCHAMPS, PIERRE、BELANGER, ANDRE、BERNEY, DANIEL J. F.、BORSCHBERG, HA+

  DOI：——

  日期：——
• Studies towards the total synthesis of contignasterol
  作者：Irene Izzo、Carmela Della Monica、Giuseppe Bifulco、Francesco De Riccardis

  DOI：10.1016/j.tet.2004.04.083

  日期：2004.6

  The (17R,20S,22S,24S) C-20-C-29 segment of contignasterol has been stereoselectively prepared in 8 steps and 40% overall yield from (S)-carvone. Synthetic studies towards contignasterol's C/D ring functionalization/isomerization are also reported. (C) 2004 Elsevier Ltd. All rights reserved.