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Potent Photoreductants for Organic Synthesis
Potent Photoreductants for Organic Synthesis
Potent Photoreductants for Organic Synthesis

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20250211152009
ISBN  
9798382822839
DDC  
547
저자명  
Chmiel, Alyah F.
서명/저자  
Potent Photoreductants for Organic Synthesis
발행사항  
[Sl] : The University of Wisconsin - Madison, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
494 p
주기사항  
Source: Dissertations Abstracts International, Volume: 85-12, Section: B.
주기사항  
Advisor: Wickens, Zachary K.
학위논문주기  
Thesis (Ph.D.)--The University of Wisconsin - Madison, 2024.
초록/해제  
요약Reductive single electron transfer (SET) to small molecules is a fundamental elementary step that underpins diverse and powerful synthetic transformations. The exquisite chemoselectivity of photoredox catalysis has rendered it an attractive strategy for promoting reductive SET. However, when considering classic photoredox catalyst parameters: (1) E1/2(PC•+/PC*) and (2) E1/2(PC/PC•- ), many substrates are expected to remain inert. We hypothesized that new (photo)reductants generated in situ could promote catalysis as well as engage in direct substrate reduction. This would enable the reduction of substrates precluded using conventional photocatalytic systems by their deep reduction potentials. Furthermore, these studies present a roadmap to develop challenging reductive bond cleavage reactions by coupling potent reductants to fragmentation promoters. This thesis will demonstrate insight into the mechanism and general principles of photoredox catalysis and illustrate new synthetic applications (SET activation of aryl chlorides, phenols, anilines, and alcohols) of these systems.
일반주제명  
Organic chemistry
일반주제명  
Physical chemistry
일반주제명  
Analytical chemistry
키워드  
Reductants
키워드  
Photoredox catalysis
키워드  
Single electron transfer
키워드  
Fragmentation
키워드  
Organic synthesis
기타저자  
The University of Wisconsin - Madison Chemistry
기본자료저록  
Dissertations Abstracts International. 85-12B.
전자적 위치 및 접속  
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MARC

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■00520250211152009
■006m          o    d                
■007cr#unu||||||||
■020    ▼a9798382822839
■035    ▼a(MiAaPQ)AAI31330996
■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a547
■1001  ▼aChmiel,  Alyah  F.
■24510▼aPotent  Photoreductants  for  Organic  Synthesis
■260    ▼a[Sl]▼bThe  University  of  Wisconsin  -  Madison▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a494  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  85-12,  Section:  B.
■500    ▼aAdvisor:  Wickens,  Zachary  K.
■5021  ▼aThesis  (Ph.D.)--The  University  of  Wisconsin  -  Madison,  2024.
■520    ▼aReductive  single  electron  transfer  (SET)  to  small  molecules  is  a  fundamental  elementary  step  that  underpins  diverse  and  powerful  synthetic  transformations.  The  exquisite  chemoselectivity  of  photoredox  catalysis  has  rendered  it  an  attractive  strategy  for  promoting  reductive  SET.  However,  when  considering  classic  photoredox  catalyst  parameters:  (1)  E1/2(PC•+/PC*)  and  (2)  E1/2(PC/PC•-  ),  many  substrates  are  expected  to  remain  inert.  We  hypothesized  that  new  (photo)reductants  generated  in  situ  could  promote  catalysis  as  well  as  engage  in  direct  substrate  reduction.  This  would  enable  the  reduction  of  substrates  precluded  using  conventional  photocatalytic  systems  by  their  deep  reduction  potentials.  Furthermore,  these  studies  present  a  roadmap  to  develop  challenging  reductive  bond  cleavage  reactions  by  coupling  potent  reductants  to  fragmentation  promoters.  This  thesis  will  demonstrate  insight  into  the  mechanism  and  general  principles  of  photoredox  catalysis  and  illustrate  new  synthetic  applications  (SET  activation  of  aryl  chlorides,  phenols,  anilines,  and  alcohols)  of  these  systems.
■590    ▼aSchool  code:  0262.
■650  4▼aOrganic  chemistry
■650  4▼aPhysical  chemistry
■650  4▼aAnalytical  chemistry
■653    ▼aReductants
■653    ▼aPhotoredox  catalysis
■653    ▼aSingle  electron  transfer
■653    ▼aFragmentation
■653    ▼aOrganic  synthesis
■690    ▼a0490
■690    ▼a0486
■690    ▼a0494
■71020▼aThe  University  of  Wisconsin  -  Madison▼bChemistry.
■7730  ▼tDissertations  Abstracts  International▼g85-12B.
■790    ▼a0262
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17162412▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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