Design of Fine Acid Base Catalysts and their Utility in Selective Organic Synthesis

精细酸碱催化剂的设计及其在选择性有机合成中的应用

基本信息

  • 批准号:
    13853003
  • 负责人:
  • 金额:
    $ 79.29万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for Scientific Research (S)
  • 财政年份:
    2001
  • 资助国家:
    日本
  • 起止时间:
    2001 至 2005
  • 项目状态:
    已结题

项目摘要

In this research project, we focused our attention on the rational design of truly efficient acid/base catalysts for the development of synthetic processes in order to achieve the high reactivity and selectivity, not observable by ordinary, acid/base catalysts. In the sophisticated Lewis acid chemistry, a new, chiral bidentate Ti(IV) complex was successfully designed and can be utilized for simultaneous coordination to aldehyde carbonyls, thereby allowing the precise enantioface discrimination of such carbonyls for a new catalytic, practical enantioselective allylation of aldehydes with allyltributyltin. This chiral bidentate Ti(IV) complex has been successfully applied to asymmetric 1, 3-dipolar cycloaddition of nitrones or diazoacetates. On the other hand, phase transfer catalysis is a very useful approach that typically involves simple experimental operations, mild reaction conditions, inexpensive and environmentally benign reagents and solvents, and the large-scale reactions. Accordingly, structurally rigid, chiral spiro ammoniurn salts derived from commercially available (S)- or (R)-binaphthol have been designed as new C_2-symmetric chiral phase transfer catalysts and successfully applied to the highly efficient, catalytic enantioselective synthesis under mild phase transfer conditions. Quite recently, we have successfully designed simplified, yet very active chiral phase transfer catalysts for practical asymmetric synthesis of α-alkyl- and α,α-dialkylamino acids. In addition, chiral, helical-type phase transfer catalysts were newly designed for effecting asymmetric Strecker reaction for large-scale production of sterically hindered α-alkylamino acids. A bowl-shaped organometallic host, tris(2, 6-diphenylbenzyl)-silyl, -germyl, and -tin compounds can be prepared, and applied to selective organic transformations.
在本研究项目中,我们将注意力集中在合理设计真正有效的酸/碱催化剂,用于开发合成工艺,以实现普通酸/碱催化剂无法观察到的高反应性和选择性。在复杂的刘易斯酸化学中,成功地设计了一种新的手性双齿钛(IV)配合物,并可用于同时配位醛羰基,从而允许精确的对映体歧视,这种羰基的一种新的催化,实用的烯丙基三丁基锡醛的不对称选择性烯丙基化。该手性双齿钛配合物已成功地应用于硝酮或重氮乙酸酯的不对称1,3-偶极环加成反应。另一方面,相转移催化是一种非常有用的方法,通常涉及简单的实验操作,温和的反应条件,廉价且环境友好的试剂和溶剂,以及大规模反应。因此,由(S)-或(R)-联萘衍生的结构刚性的手性螺环铵盐被设计为新型的C_2对称手性相转移催化剂,并成功地应用于温和相转移条件下的高效、催化的对映选择性合成。最近,我们已经成功地设计了简化的,但非常活跃的手性相转移催化剂的实际不对称合成α-烷基-和α,α-二烷基氨基酸。此外,我们还设计了手性螺旋型相转移催化剂,用于不对称Strecker反应大规模制备空间位阻α-烷基氨基酸。一种碗状的有机金属主体,三(2,6-二苯基苄基)-硅基,-甲锗基,和-锡化合物可以被制备,并应用于选择性有机转化。

项目成果

期刊论文数量(187)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Asymmetric 1,3-dipolar cycloaddition reaction of nitrones and acrolein with a bis-titanium catalyst as chiral lewis acid
Enantioselective 1,3-Dipolar Cycloaddition Reaction between Diazoacetates and a-Substituted Acroleins : Total Synthesis of Manzacidin A
重氮乙酸酯与 α-取代丙烯醛之间的对映选择性 1,3-偶极环加成反应:Manzacidin A 的全合成
  • DOI:
  • 发表时间:
    2006
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Shigeru OONO;Yasushige MORIKAWA;Masayuki OGURO;Ken SHOJI;Shinsuke KATO;Taeyeon KIM;Taichi Kano
  • 通讯作者:
    Taichi Kano
Meerwein-Ponndorf-Verley Alkynylation of Aldehydes : Essential Modification of Aluminum Alkoxides for Rate Acceleration and Asymmetric Synthesis
醛的 Meerwein-Ponndorf-Verley 炔基化 : 铝醇盐的必要改性以实现速率加速和不对称合成
  • DOI:
  • 发表时间:
    2004
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Kazuki Ihara;Shin-ichi Zaitsu;Totaro Imasaka;T.Ooi
  • 通讯作者:
    T.Ooi
Bidentate Lewis Acid Catalysts in Asymmetric Synthesis
双齿路易斯酸催化剂在不对称合成中的应用
  • DOI:
  • 发表时间:
    2002
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Fujita;M. (ed.);M.Ikunaka;S.Shirakawa;S.Shirakawa;K.Maruoka
  • 通讯作者:
    K.Maruoka
Practical Approach for Catalytic Asymmetric Allylation of Aldehydes with a Chiral Bis-Titanium(IV) Complex
手性双钛 (IV) 配合物催化醛不对称烯丙基化的实用方法
  • DOI:
  • 发表时间:
    2001
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Takemoto;Y. et al.;S.Kii
  • 通讯作者:
    S.Kii
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MARUOKA Keiji其他文献

MARUOKA Keiji的其他文献

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{{ truncateString('MARUOKA Keiji', 18)}}的其他基金

Design of Next-Generation Organocatalysts for the Application to Practical, Fine Organic Synthesis
设计应用于实际精细有机合成的下一代有机催化剂
  • 批准号:
    26220803
  • 财政年份:
    2014
  • 资助金额:
    $ 79.29万
  • 项目类别:
    Grant-in-Aid for Scientific Research (S)
Design of High-Performance Organocatalysts for the Application to Fine Organic Synthesis
用于精细有机合成的高性能有机催化剂的设计
  • 批准号:
    21000006
  • 财政年份:
    2009
  • 资助金额:
    $ 79.29万
  • 项目类别:
    Grant-in-Aid for Specially Promoted Research
Fine Design of Bidentate Lewis Acid Catalysts and their Synthetic Application
双齿路易斯酸催化剂的精细设计及其合成应用
  • 批准号:
    19350020
  • 财政年份:
    2007
  • 资助金额:
    $ 79.29万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Development of Advanced Molecular Transformations of Functional Carbon Molecules using Fine Acid-Base Catalysts
使用精细酸碱催化剂开发功能性碳分子的高级分子转化
  • 批准号:
    17065010
  • 财政年份:
    2005
  • 资助金额:
    $ 79.29万
  • 项目类别:
    Grant-in-Aid for Scientific Research on Priority Areas
Design of Metal Artificial Enzymes and the Application to Fine Organic Synthesis
金属人工酶的设计及其在精细有机合成中的应用
  • 批准号:
    11440184
  • 财政年份:
    1999
  • 资助金额:
    $ 79.29万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B).
Design of Intermolecular Interactions and Dynamic Stereochemical Control by Using Lewis Acid Base Active Species
利用路易斯酸碱活性物质进行分子间相互作用和动态立体化学控制的设计
  • 批准号:
    10208101
  • 财政年份:
    1998
  • 资助金额:
    $ 79.29万
  • 项目类别:
    Grant-in-Aid for Scientific Research on Priority Areas (B)
Dynamic Stereochemical Control by Using Lewis Acid Base Active Species
使用路易斯酸碱活性物质进行动态立体化学控制
  • 批准号:
    10208201
  • 财政年份:
    1998
  • 资助金额:
    $ 79.29万
  • 项目类别:
    Grant-in-Aid for Scientific Research on Priority Areas (B)
Design of Metal Artificial Enzymes and the Application to Fine Organic Synthesis
金属人工酶的设计及其在精细有机合成中的应用
  • 批准号:
    08404049
  • 财政年份:
    1996
  • 资助金额:
    $ 79.29万
  • 项目类别:
    Grant-in-Aid for Scientific Research (A)
Practical Synthesis of Phisiologically Active Substances Using Functionalized Lewis Acids
使用功能化路易斯酸实际合成生理活性物质
  • 批准号:
    08555225
  • 财政年份:
    1996
  • 资助金额:
    $ 79.29万
  • 项目类别:
    Grant-in-Aid for Scientific Research (A)

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