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Circumventing Premetalated Reagents: Transition Metal-Catalyzed C-C Bond Forming Reactions and Synthetic Applications
Circumventing Premetalated Reagents: Transition Metal-Catalyzed C-C Bond Forming Reactions...
Circumventing Premetalated Reagents: Transition Metal-Catalyzed C-C Bond Forming Reactions and Synthetic Applications

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자료유형  
 학위논문 서양
최종처리일시  
20260311091542.5
ISBN  
9798270232252
DDC  
540
저자명  
Shezaf, Jonathan Zak
서명/저자  
Circumventing Premetalated Reagents: Transition Metal-Catalyzed C-C Bond Forming Reactions and Synthetic Applications / Jonathan Zak Shezaf
발행사항  
[Sl] : The University of Texas at Austin, 2025
형태사항  
1 electronic resource (1426 pages)
주기사항  
Source: Dissertations Abstracts International, Volume: 87-06, Section: B.
주기사항  
Advisors: Krische, Michael J. Committee members: Kaoud, Tamer; Hull, Kami L.; Callmann, Cassandra.
학위논문주기  
- Ph.D. : The University of Texas at Austin, 2025.
초록/해제  
요약Carbon-carbon bond-forming reactions are key in the construction of natural products and industrially relevant chemicals. However, many C-C bond-forming reactions require stoichiometric metallic or pre-metalated reagents, which may be hazardous or toxic. Described herein, are the development of methodologies, which circumvent the need for such reagents, primarily mediated by ruthenium-catalyzed hydrogen auto-transfer in carbonyl addition chemistry. Many of these transformations exploit the reducing capability of alcohols to generate organometallic nucleophiles from π-unsaturated feedstock chemicals resulting in products of C-C coupling. For asymmetric reactions, the role of iodide in defining stereogenicity-at-ruthenium and therefrom enhanced enantioselectivities, has been elucidated. Furthermore, using these tenants of hydrogen-auto transfer the development of methods towards the C-H alkylation of nitrogen-containing heteroarenes and palladium-catalyzed cross electrophile couplings is also described.
언어주기  
English
일반주제명  
Chemistry
일반주제명  
Materials science
일반주제명  
Chemical engineering
키워드  
Organometallic nucleophiles
키워드  
Electrophile couplings
키워드  
Ruthenium-catalyzed hydrogen
키워드  
Chemicals
기타저자  
The University of Texas at Austin Chemistry
기본자료저록  
Dissertations Abstracts International. 87-06B.
전자적 위치 및 접속  
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■020    ▼a9798270232252
■040    ▼aMiAaPQD▼beng▼cMiAaPQD▼erda
■082    ▼a540
■1001  ▼aShezaf,  Jonathan  Zak▼eauthor.
■24510▼aCircumventing  Premetalated  Reagents:  Transition  Metal-Catalyzed  C-C  Bond  Forming  Reactions  and  Synthetic  Applications  ▼cJonathan  Zak  Shezaf
■260    ▼a[Sl]▼bThe  University  of  Texas  at  Austin▼c2025
■264  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a1  electronic  resource  (1426  pages)
■336    ▼atext▼btxt▼2rdacontent
■337    ▼acomputer▼bc▼2rdamedia
■338    ▼aonline  resource▼bcr▼2rdacarrier
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  87-06,  Section:  B.
■500    ▼aAdvisors:  Krische,  Michael  J.    Committee  members:  Kaoud,  Tamer;  Hull,  Kami  L.;  Callmann,  Cassandra.
■5021  ▼bPh.D.▼cThe  University  of  Texas  at  Austin▼d2025.
■520    ▼aCarbon-carbon  bond-forming  reactions  are  key  in  the  construction  of  natural  products  and  industrially  relevant  chemicals.  However,  many  C-C  bond-forming  reactions  require  stoichiometric  metallic  or  pre-metalated  reagents,  which  may  be  hazardous  or  toxic.  Described  herein,  are  the  development  of  methodologies,  which  circumvent  the  need  for  such  reagents,  primarily  mediated  by  ruthenium-catalyzed  hydrogen  auto-transfer  in  carbonyl  addition  chemistry.  Many  of  these  transformations  exploit  the  reducing  capability  of  alcohols  to  generate  organometallic  nucleophiles  from  π-unsaturated  feedstock  chemicals  resulting  in  products  of  C-C  coupling.  For  asymmetric  reactions,  the  role  of  iodide  in  defining  stereogenicity-at-ruthenium  and  therefrom  enhanced  enantioselectivities,  has  been  elucidated.  Furthermore,  using  these  tenants  of  hydrogen-auto  transfer  the  development  of  methods  towards  the  C-H  alkylation  of  nitrogen-containing  heteroarenes  and  palladium-catalyzed  cross  electrophile  couplings  is  also  described.
■546    ▼aEnglish
■590    ▼aSchool  code:  0227
■650  4▼aChemistry
■650  4▼aMaterials  science
■650  4▼aChemical  engineering
■653    ▼aOrganometallic  nucleophiles
■653    ▼aElectrophile  couplings
■653    ▼aRuthenium-catalyzed  hydrogen
■653    ▼aChemicals
■7102  ▼aThe  University  of  Texas  at  Austin▼bChemistry.▼edegree  granting  institution.
■7201  ▼aKrische,  Michael  J.▼edegree  supervisor.
■7730  ▼tDissertations  Abstracts  International▼g87-06B.
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17361222▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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