(2S,3R)-3-hydroxy-2,4-dimethylpent-4-enyl 2,2-dimethylpropanoate | 933466-07-0

• 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: (2S,3R)-3-hydroxy-2,4-dimethylpent-4-enyl 2,2-dimethylpropanoate
• 英文别名: (2S,3R)-3-hydroxy-2,4-dimethylpent-4-en-1-yl pivalate；[(2S,3R)-3-hydroxy-2,4-dimethylpent-4-enyl] 2,2-dimethylpropanoate
• CAS: 933466-07-0
• 化学式: C₁₂H₂₂O₃
• 分子量: 214.305
• InChiKey: LCTFAWGZQYCXKS-UWVGGRQHSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  2.9
• 重原子数：
  15
• 可旋转键数：
  6
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.75
• 拓扑面积：
  46.5
• 氢给体数：
  1
• 氢受体数：
  3

反应信息

• 作为反应物：
  描述：

  (2S,3R)-3-hydroxy-2,4-dimethylpent-4-enyl 2,2-dimethylpropanoate 在 RuCl2(1,3-dimesityl-imidazolidin-2-yl)(PCy3)(=CHPh) 咪唑 、 4-二甲氨基吡啶 、 双氧水 作用下， 以 1,4-二氧六环 、 二氯甲烷 、 水 为溶剂， 反应 31.0h， 生成 (Z,2S,3R)-6-(tert-butyldiphenylsiloxy)-3-hydroxy-2,4-dimethylhex-4-enyl 2,2-dimethylpropanoate
  参考文献：
  名称：

  苯安沙霉素抗生素安沙链的实用合成：安沙三烯醇衍生物的全合成

  摘要：

  描述了一种实用且立体控制的合成苯环安沙霉素（mycotrienins）链的方法，该方法可以放大到数克的数量。该合成的关键特征是通过烯丙基（二异丙氧基）硼烷的一锅酯化和闭环复分解形成Z-构型三取代双键，通过重氮乙酸乙酯与醛的加成形成β-酮酯，以及使用 Duthaler-Hafner 醋酸羟醛反应在 C3 处引入立体中心。该合成的实用性通过制备红红三烯酚衍生物来证明，该衍生物代表红红三萜的正式全合成。

  DOI：

  10.1055/s-2006-958967
• 作为产物：
  描述：

  Ethyl (3R*,4S*)-(+/-)-3-hydroxy-2,4-dimethylpent-4-enoate 在 吡啶 、 lithium aluminium tetrahydride 作用下， 以 四氢呋喃 、 二氯甲烷 为溶剂， 反应 97.0h， 生成 (2S,3R)-3-hydroxy-2,4-dimethylpent-4-enyl 2,2-dimethylpropanoate
  参考文献：
  名称：

  Substrate-Directed Diastereoselective Hydroformylation: Key Step for the Assembly of Polypropionate Subunits

  摘要：

  Stereoselective hydroformylation of methallylic alcohols of types 3 and 4, that employed the substrate-bound catalyst-directing ortho-diphenyl-phosphanylbenzoyl (o-DPPB) group, was used as a key step for the construction of bifunctionalized stereotriads, which ale central building blocks of polyketide natural products. The required diastereomerically pure syn- and anti- starting methallylic alcohol systems 3 and 4 were obtained either by Cram-selective carbonyl reduction, Frater alkylation, or by chelation-controlled carbonyl reduction. Enantiomerically pure stereotriad building blocks were derived from a combination of an Evans aldol addition and subsequent o-DPPB-directed stereoselective hydroformylation (-->24). A crystal structure analysis for steretriad building block 24 confirmed the relative and absolute configuration of the stereogenic centers. Additionally, it provided evidence for a previously postulated preferred conformation of the catalyst-directing o-DPPB group as well as of the polyketide main chain.

  DOI：

  10.1002/(sici)1521-3765(19991001)5:10<2819::aid-chem2819>3.0.co;2-z

文献信息

• Highly diastereoselective hydrosilylations of allylic alcohols
  作者：Mark G. McLaughlin、Matthew J. Cook

  DOI：10.1039/c4cc00138a

  日期：——

  The highly syn-selective hydrosilylation of allylic alcohols was developed which, following oxidation, provided 1,3 alcohols containing two contiguous stereocentres.

  翻译结果：通过高度syn选择性的烯丙基醇氢硅烷化反应的开发，得到了含有两个相邻立体中心的1,3醇，经氧化后。
• Substrate-Directed Diastereoselective Hydroformylation: Key Step for the Assembly of Polypropionate Subunits
  作者：Bernhard Breit、Mario Dauber、Klaus Harms

  DOI：10.1002/(sici)1521-3765(19991001)5:10<2819::aid-chem2819>3.0.co;2-z

  日期：1999.10.1

  Stereoselective hydroformylation of methallylic alcohols of types 3 and 4, that employed the substrate-bound catalyst-directing ortho-diphenyl-phosphanylbenzoyl (o-DPPB) group, was used as a key step for the construction of bifunctionalized stereotriads, which ale central building blocks of polyketide natural products. The required diastereomerically pure syn- and anti- starting methallylic alcohol systems 3 and 4 were obtained either by Cram-selective carbonyl reduction, Frater alkylation, or by chelation-controlled carbonyl reduction. Enantiomerically pure stereotriad building blocks were derived from a combination of an Evans aldol addition and subsequent o-DPPB-directed stereoselective hydroformylation (-->24). A crystal structure analysis for steretriad building block 24 confirmed the relative and absolute configuration of the stereogenic centers. Additionally, it provided evidence for a previously postulated preferred conformation of the catalyst-directing o-DPPB group as well as of the polyketide main chain.
• A Practical Synthesis of the Ansa Chain of Benzenic Ansamycin Antibiotics: Total Synthesis of an Ansatrienol Derivative
  作者：Andreas Kirschning、Dmitry Kashin、Axel Meyer、Rüdiger Wittenberg、Kai-Uwe Schöning、Stefan Kamlage

  DOI：10.1055/s-2006-958967

  日期：2007.1

  features of the synthesis are the formation of the Z-configured trisubstituted double bond by a one-pot esterification of allyl(diisopropoxy)borane and ring-closing metathesis, formation of the β-keto ester via ethyl diazoacetate addition to an aldehyde, and use of the Duthaler-Hafner acetate aldol reaction for the introduction of the stereocenter at C3. The practicality of this synthesis is demonstrated

  描述了一种实用且立体控制的合成苯环安沙霉素（mycotrienins）链的方法，该方法可以放大到数克的数量。该合成的关键特征是通过烯丙基（二异丙氧基）硼烷的一锅酯化和闭环复分解形成Z-构型三取代双键，通过重氮乙酸乙酯与醛的加成形成β-酮酯，以及使用 Duthaler-Hafner 醋酸羟醛反应在 C3 处引入立体中心。该合成的实用性通过制备红红三烯酚衍生物来证明，该衍生物代表红红三萜的正式全合成。