tert.-Butyl-nonanoylacetat | 66697-01-6

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 酮酸及其衍生物
• 英文名称: tert.-Butyl-nonanoylacetat
• 英文别名: Undecanoic acid, 3-oxo-, 1,1-dimethylethyl ester；tert-butyl 3-oxoundecanoate
• CAS: 66697-01-6
• 化学式: C₁₅H₂₈O₃
• 分子量: 256.386
• InChiKey: LNNFBKHPEPQQEZ-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  4.5
• 重原子数：
  18
• 可旋转键数：
  11
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.87
• 拓扑面积：
  43.4
• 氢给体数：
  0
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  tert.-Butyl-nonanoylacetat 在 吡啶 、 sodium tetrahydroborate 、 磺酰氯 、 Lipase P 、 sodium hydride 、 三辛基氯化铵 、 对甲苯磺酸 作用下， 以 乙醇 为溶剂， 反应 101.83h， 生成 (3R,4R)-4-Acetoxy-3-chloro-dodecanoic acid methyl ester
  参考文献：
  名称：

  Highly Enantioselective Synthesis of Both Enantiomers of γ-Substituted Butenolides by Bakers' Yeast Reduction and Lipase-Catalyzed Hydrolysis. Total Synthesis of (3AS,6aS)-Ethisolide, Whisky Lactone, and (−)-Avenaciolide

  摘要：

  Reduction of 3-chloro-4-oxoalkanoates 5 with bakers' yeast gave (4S)-3-chloro-4-hydraxyalkanoates, which were hydrolyzed and dehydrochlorinated to give (gamma S)-alkylbutenolides with >96% ee. Reduction of 5 with NaBH4 gave syn-3-chloro-4-hydroxyalkanoate 6. Asymmetric hydrolysis of syn-4-chloro-3-hydroxyalkanoate (+/-)-10 with lipase afforded (3R,4R)-6 and (3S,4S)-10 with high optical purities. Hydrolysis and dehydrochlorination of (3R,4R)-6 gave (gamma R)-alkylbutenolides with >85% ee. Total syntheses of (3aS,6aS)-ethisolide, whisky lactone, and (-)-avenaciolide from these butenolides are described.

  DOI：

  10.1021/jo970045r
• 作为产物：
  描述：

  5-(1-hydroxynonylidene)-2,2-dimethyl-[1,3]dioxane-4,6-dione 、 叔丁醇 以 苯 为溶剂， 生成 tert.-Butyl-nonanoylacetat
  参考文献：
  名称：

  Meldrum's acid in organic synthesis. 2. A general and versatile synthesis of .beta.-keto esters

  摘要：

  DOI：

  10.1021/jo00404a066

文献信息

• Chemoselective, Regioselective, and <i>E</i>/<i>Z</i>-Diastereoselective Synthesis of 2-Alkylidenetetrahydrofurans by Sequential Reactions of Ambident Dianions and Monoanions
  作者：Peter Langer、Esen Bellur

  DOI：10.1021/jo034966f

  日期：2003.12.1

  A number of novel beta-ketoesters were prepared by regioselective alkylation reactions of simple beta-ketoester dianions. The cyclization of the dianions of these 1,3-dicarbonyl derivatives with 1-bromo-2-chloroethane afforded a variety of 2-alkylidenetetrahydrofurans with very good regioselectivity and E/Z-diastereoselectivity. These products were deprotonated to give novel ambident carbanions. The

  通过简单的β-酮酯二价基团的区域选择性烷基化反应制备了许多新颖的β-酮酯。这些1-，3-二羰基衍生物的二价阴离子与1-溴-2-氯乙烷的环化反应提供了具有非常好的区域选择性和E / Z-非对映选择性的各种2-亚烷基四氢呋喃。这些产品被去质子化，以产生新颖的碳负离子。这些碳负离子用卤代烷进行的烷基化反应具有非常好的区域选择性和E / Z-非对映选择性，并可以方便地合成许多新的2-亚烷基四氢呋喃。
• OIKAWA YUJI; SUGANO KIYOSHI; YONEMITSU OSAMU, J. ORG. CHEM., 1978, 43, NO 10, 2087-2088
  作者：OIKAWA YUJI、 SUGANO KIYOSHI、 YONEMITSU OSAMU

  DOI：——

  日期：——
• Highly Enantioselective Synthesis of Both Enantiomers of γ-Substituted Butenolides by Bakers' Yeast Reduction and Lipase-Catalyzed Hydrolysis. Total Synthesis of (3A<i>S</i>,6a<i>S</i>)-Ethisolide, Whisky Lactone, and (−)-Avenaciolide
  作者：Sadao Tsuboi、Jun-ichi Sakamoto、Hiroshi Yamashita、Takashi Sakai、Masanori Utaka

  DOI：10.1021/jo970045r

  日期：1998.2.1

  Reduction of 3-chloro-4-oxoalkanoates 5 with bakers' yeast gave (4S)-3-chloro-4-hydraxyalkanoates, which were hydrolyzed and dehydrochlorinated to give (gamma S)-alkylbutenolides with >96% ee. Reduction of 5 with NaBH4 gave syn-3-chloro-4-hydroxyalkanoate 6. Asymmetric hydrolysis of syn-4-chloro-3-hydroxyalkanoate (+/-)-10 with lipase afforded (3R,4R)-6 and (3S,4S)-10 with high optical purities. Hydrolysis and dehydrochlorination of (3R,4R)-6 gave (gamma R)-alkylbutenolides with >85% ee. Total syntheses of (3aS,6aS)-ethisolide, whisky lactone, and (-)-avenaciolide from these butenolides are described.
• Meldrum's acid in organic synthesis. 2. A general and versatile synthesis of .beta.-keto esters
  作者：Yuji Oikawa、Kiyoshi Sugano、Osamu Yonemitsu

  DOI：10.1021/jo00404a066

  日期：1978.5