20 article(s) from O’Hagan, David

Organo-fluorine chemistry V

  • David O’Hagan

Beilstein J. Org. Chem. 2021, 17, 737–738, doi:10.3762/bjoc.17.63

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Published 17 Mar 2021

Synthesis of organic liquid crystals containing selectively fluorinated cyclopropanes

  • Zeguo Fang,
  • Nawaf Al-Maharik,
  • Peer Kirsch,
  • Matthias Bremer,
  • Alexandra M. Z. Slawin and
  • David O’Hagan

Beilstein J. Org. Chem. 2020, 16, 674–680, doi:10.3762/bjoc.16.65

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Published 14 Apr 2020

Fluorine-containing substituents: metabolism of the α,α-difluoroethyl thioether motif

  • Andrea Rodil,
  • Alexandra M. Z. Slawin,
  • Nawaf Al-Maharik,
  • Ren Tomita and
  • David O’Hagan

Beilstein J. Org. Chem. 2019, 15, 1441–1447, doi:10.3762/bjoc.15.144

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Published 28 Jun 2019

Stereochemical outcomes of C–F activation reactions of benzyl fluoride

  • Neil S. Keddie,
  • Pier Alexandre Champagne,
  • Justine Desroches,
  • Jean-François Paquin and
  • David O'Hagan

Beilstein J. Org. Chem. 2018, 14, 106–113, doi:10.3762/bjoc.14.6

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Published 09 Jan 2018

Fluorinated cyclohexanes: Synthesis of amine building blocks of the all-cis 2,3,5,6-tetrafluorocyclohexylamine motif

  • Tetiana Bykova,
  • Nawaf Al-Maharik,
  • Alexandra M. Z. Slawin and
  • David O'Hagan

Beilstein J. Org. Chem. 2017, 13, 728–733, doi:10.3762/bjoc.13.72

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Published 19 Apr 2017

Organofluorine chemistry: Difluoromethylene motifs spaced 1,3 to each other imparts facial polarity to a cyclohexane ring

  • Mathew J. Jones,
  • Ricardo Callejo,
  • Alexandra M. Z. Slawin,
  • Michael Bühl and
  • David O'Hagan

Beilstein J. Org. Chem. 2016, 12, 2823–2827, doi:10.3762/bjoc.12.281

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Published 22 Dec 2016

Selectively fluorinated cyclohexane building blocks: Derivatives of carbonylated all-cis-3-phenyl-1,2,4,5-tetrafluorocyclohexane

  • Mohammed Salah Ayoup,
  • David B. Cordes,
  • Alexandra M. Z. Slawin and
  • David O'Hagan

Beilstein J. Org. Chem. 2015, 11, 2671–2676, doi:10.3762/bjoc.11.287

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Published 21 Dec 2015

Lewis acid-promoted hydrofluorination of alkynyl sulfides to generate α-fluorovinyl thioethers

  • Davide Bello and
  • David O'Hagan

Beilstein J. Org. Chem. 2015, 11, 1902–1909, doi:10.3762/bjoc.11.205

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Published 14 Oct 2015

Organic chemistry on surfaces: Direct cyclopropanation by dihalocarbene addition to vinyl terminated self-assembled monolayers (SAMs)

  • Malgorzata Adamkiewicz,
  • David O’Hagan and
  • Georg Hähner

Beilstein J. Org. Chem. 2014, 10, 2897–2902, doi:10.3762/bjoc.10.307

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Published 05 Dec 2014

The difluoromethylene (CF2) group in aliphatic chains: Synthesis and conformational preference of palmitic acids and nonadecane containing CF2 groups

  • Yi Wang,
  • Ricardo Callejo,
  • Alexandra M. Z. Slawin and
  • David O’Hagan

Beilstein J. Org. Chem. 2014, 10, 18–25, doi:10.3762/bjoc.10.4

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Published 06 Jan 2014

Organo-fluorine chemistry III

  • David O'Hagan

Beilstein J. Org. Chem. 2013, 9, 2180–2181, doi:10.3762/bjoc.9.255

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Published 23 Oct 2013

The preferred conformation of erythro- and threo-1,2-difluorocyclododecanes

  • Yi Wang,
  • Peer Kirsch,
  • Tomas Lebl,
  • Alexandra M. Z. Slawin and
  • David O'Hagan

Beilstein J. Org. Chem. 2012, 8, 1271–1278, doi:10.3762/bjoc.8.143

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Published 10 Aug 2012

Single enantiomer synthesis of α-(trifluoromethyl)-β-lactam

  • Václav Jurčík,
  • Alexandra M. Z. Slawin and
  • David O'Hagan

Beilstein J. Org. Chem. 2011, 7, 759–766, doi:10.3762/bjoc.7.86

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Published 06 Jun 2011

Prins fluorination cyclisations: Preparation of 4-fluoro-pyran and -piperidine heterocycles

  • Guillaume G. Launay,
  • Alexandra M. Z. Slawin and
  • David O'Hagan

Beilstein J. Org. Chem. 2010, 6, No. 41, doi:10.3762/bjoc.6.41

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Published 26 Apr 2010

Organo-fluorine chemistry II

  • David O'Hagan

Beilstein J. Org. Chem. 2010, 6, No. 36, doi:10.3762/bjoc.6.36

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Published 20 Apr 2010

Three step synthesis of single diastereoisomers of the vicinal trifluoro motif

  • Vincent A. Brunet,
  • Alexandra M. Z. Slawin and
  • David O'Hagan

Beilstein J. Org. Chem. 2009, 5, No. 61, doi:10.3762/bjoc.5.61

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Published 05 Nov 2009

Synthesis of phosphonate and phostone analogues of ribose-1-phosphates

  • Pitak Nasomjai,
  • David O'Hagan and
  • Alexandra M. Z. Slawin

Beilstein J. Org. Chem. 2009, 5, No. 37, doi:10.3762/bjoc.5.37

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Published 27 Jul 2009

Themed series in organo- fluorine chemistry

  • David O'Hagan

Beilstein J. Org. Chem. 2008, 4, No. 11, doi:10.3762/bjoc.4.11

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Published 25 Apr 2008

The vicinal difluoro motif: The synthesis and conformation of erythro- and threo- diastereoisomers of 1,2-difluorodiphenylethanes, 2,3-difluorosuccinic acids and their derivatives

  • David O'Hagan,
  • Henry S. Rzepa,
  • Martin Schüler and
  • Alexandra M. Z. Slawin

Beilstein J. Org. Chem. 2006, 2, No. 19, doi:10.1186/1860-5397-2-19

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Published 02 Oct 2006

Stereoselective α-fluoroamide and α-fluoro- γ-lactone synthesis by an asymmetric zwitterionic aza-Claisen rearrangement

  • Kenny Tenza,
  • Julian S. Northen,
  • David O'Hagan and
  • Alexandra M. Z. Slawin

Beilstein J. Org. Chem. 2005, 1, No. 13, doi:10.1186/1860-5397-1-13

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Published 17 Oct 2005
 
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