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Synthesis of Saturated Building Blocks: From Conformationally Rigid Bicycles to Alkyl Boronates
Synthesis of Saturated Building Blocks: From Conformationally Rigid Bicycles to Alkyl Boro...
Synthesis of Saturated Building Blocks: From Conformationally Rigid Bicycles to Alkyl Boronates

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자료유형  
 학위논문 서양
최종처리일시  
20250211153035
ISBN  
9798346739838
DDC  
547
저자명  
Paul, Shashwati.
서명/저자  
Synthesis of Saturated Building Blocks: From Conformationally Rigid Bicycles to Alkyl Boronates
발행사항  
[Sl] : Indiana University, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
390 p
주기사항  
Source: Dissertations Abstracts International, Volume: 86-05, Section: B.
주기사항  
Advisor: Brown, M. Kevin.
학위논문주기  
Thesis (Ph.D.)--Indiana University, 2024.
초록/해제  
요약Conformational rigidification is an established strategy in the field of drug discovery as it improves the pharmacological profile of drug candidates. Cyclobutanes and cyclopropanes gain popularity in drug discovery due to their rigid structure. However, cyclopentane and cyclohexane rings are flexible. To rigidify the conformation of these medium size ring systems, bicyclo[2.1.1]-hexane systems and ladderane systems were synthesized and further functionalized using [2+2]-cycloaddition, Wolff rearrangement, C-H functionalization reactions. Taking inspiration from the diazo intermediates used in the Wolff rearrangement reaction, a deaminative cross-coupling reaction of alkyl nitroso carbamates was also developed. Due to strong C-N bond, cross coupling of alkyl amines are difficult. To circumvent this problem, a metal free cross coupling reaction between alkyl nitroso carbamates and boronic acids was developed to synthesize complex secondary boronates. Later, the deamination strategy was also used for palladium catalysed heck type coupling reactions.Equations not included.
일반주제명  
Organic chemistry
일반주제명  
Chemistry
일반주제명  
Physical chemistry
일반주제명  
Inorganic chemistry
키워드  
Bicyclo[2.1.1]hexanes
키워드  
Deaminative cross coupling
키워드  
Non-canonical amino acid
키워드  
Organic synthesis
키워드  
Rigid bicycle
기타저자  
Indiana University Chemistry
기본자료저록  
Dissertations Abstracts International. 86-05B.
전자적 위치 및 접속  
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MARC

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■020    ▼a9798346739838
■035    ▼a(MiAaPQ)AAI31637456
■040    ▼aMiAaPQ▼cMiAaPQ
■0820  ▼a547
■1001  ▼aPaul,  Shashwati.▼0(orcid)0009-0005-0629-7823
■24510▼aSynthesis  of  Saturated  Building  Blocks:  From  Conformationally  Rigid  Bicycles  to  Alkyl  Boronates
■260    ▼a[Sl]▼bIndiana  University▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a390  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-05,  Section:  B.
■500    ▼aAdvisor:  Brown,  M.  Kevin.
■5021  ▼aThesis  (Ph.D.)--Indiana  University,  2024.
■520    ▼aConformational  rigidification  is  an  established  strategy  in  the  field  of  drug  discovery  as  it  improves  the  pharmacological  profile  of  drug  candidates.  Cyclobutanes  and  cyclopropanes  gain  popularity  in  drug  discovery  due  to  their  rigid  structure.  However,  cyclopentane  and  cyclohexane  rings  are  flexible.  To  rigidify  the  conformation  of  these  medium  size  ring  systems,  bicyclo[2.1.1]-hexane  systems  and  ladderane  systems  were  synthesized  and  further  functionalized  using  [2+2]-cycloaddition,  Wolff  rearrangement,  C-H  functionalization  reactions.  Taking  inspiration  from  the  diazo  intermediates  used  in  the  Wolff  rearrangement  reaction,  a  deaminative  cross-coupling  reaction  of  alkyl  nitroso  carbamates  was  also  developed.  Due  to  strong  C-N  bond,  cross  coupling  of  alkyl  amines  are  difficult.  To  circumvent  this  problem,  a  metal  free  cross  coupling  reaction  between  alkyl  nitroso  carbamates  and  boronic  acids  was  developed  to  synthesize  complex  secondary  boronates.  Later,  the  deamination  strategy  was  also  used  for  palladium  catalysed  heck  type  coupling  reactions.Equations  not  included.
■590    ▼aSchool  code:  0093.
■650  4▼aOrganic  chemistry
■650  4▼aChemistry
■650  4▼aPhysical  chemistry
■650  4▼aInorganic  chemistry
■653    ▼aBicyclo[2.1.1]hexanes
■653    ▼aDeaminative  cross  coupling
■653    ▼aNon-canonical  amino  acid
■653    ▼aOrganic  synthesis
■653    ▼aRigid  bicycle
■690    ▼a0490
■690    ▼a0485
■690    ▼a0488
■690    ▼a0494
■71020▼aIndiana  University▼bChemistry.
■7730  ▼tDissertations  Abstracts  International▼g86-05B.
■790    ▼a0093
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17164714▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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