Imperial College London

DrDavidWiddowson

Faculty of Natural SciencesDepartment of Chemistry

Honorary Senior Research Fellow
 
 
 
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Contact

 

+44 (0)20 7594 5779d.widdowson Website

 
 
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Location

 

317Royal College of ScienceSouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

143 results found

Cai L, Cuevas J, Temme S, Herman MM, Dagostin C, Widdowson DA, Innis RB, Pike VWet al., 2007, Synthesis and structure -: Affinity relationships of new 4-(6-iodo-<i>H</i>-imidazo[1,2-<i>a</i>]pyridin-2-yl)-<i>N</i>-dimethylbenzeneamine derivatives as ligands for human β-amyloid plaques, JOURNAL OF MEDICINAL CHEMISTRY, Vol: 50, Pages: 4746-4758, ISSN: 0022-2623

Journal article

Carroll M A, Nairne J, Smith G, Widdowson D Aet al., 2007, Radical Scavengers: A practical solution to the reproducibility issue in the fluoridation of diaryliodonium salts, Journal of Fluorine Chemistry

Journal article

Greenland B, Steinke JHG, Widdowson D, Golding P, Trussell Set al., 2006, Towards cyclophosphazene based dendrimers for energetic binders, Symposium on Multifunctional Energetic Materials held at the 2005 MRS Fall Meeting, Publisher: MATERIALS RESEARCH SOC, Pages: 63-+, ISSN: 0272-9172

Conference paper

Carroll MA, Pike VW, Widdowson DA, 2005, Fluorination of electron rich aromatic systems

Patent

Arukwe J, Black AMA, Brown J, Carroll MA, Devenish PA, Jiang S, Jones CL, Nairne RJD, Olsson A, Wadsworth H, Widdowson DA, Wilson EMFet al., 2004, Towards [F-18] F-Dopa:: The introduction of [F-18] fluoride into electron-rich aromatic systems <i>via</i> iodonium salts, 17th Annual Congress of the European-Association-of-Nuclear-Medicine, Publisher: SPRINGER, Pages: S382-S382, ISSN: 1619-7070

Conference paper

Cai LS, Chin FT, Pike VW, Toyama H, Liow JS, Zoghbi SS, Modell K, Briard E, Shetty HU, Sinclair K, Donohue S, Tipre D, Kung MP, Dagostin C, Widdowson DA, Green M, Gao W, Herman MM, Ichise M, Innis RBet al., 2004, Synthesis and evaluation of two <SUP>18</SUP>F-labeled 6-iodo-2-(4′-N,N-dimethylamino)phenylimidazo[1,2-<i>a</i>]pyridine derivatives as prospective radioligands for β-amyloid in Alzheimer's disease, JOURNAL OF MEDICINAL CHEMISTRY, Vol: 47, Pages: 2208-2218, ISSN: 0022-2623

Journal article

Widdowson DA, Wilhelm R, 2003, Palladium catalysed Suzuki reactions of fluoroarenes, CHEMICAL COMMUNICATIONS, Pages: 578-579, ISSN: 1359-7345

Journal article

Jakt M, Johannissen L, Rzepa HS, Widdowson DA, Wilhelm Ret al., 2002, A computational study of the mechanism of palladium insertion into alkynyl and aryl carbon-fluorine bonds, JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 2, Pages: 576-581, ISSN: 1472-779X

Journal article

Wilhelm R, Widdowson DA, 2001, Asymmetric synthesis of a fully protected <i>ent</i>-actinoidinic acid, ORGANIC LETTERS, Vol: 3, Pages: 3079-3082, ISSN: 1523-7060

Journal article

Tan YL, Widdowson DA, Wilhelm R, 2001, Reversal of asymmetric induction in arenetricarbonyl-chromium(0) complexes via dilithiation with the (-)-sparteine/BuLi system and enantioselective quench, SYNLETT, Pages: 1632-1634, ISSN: 0936-5214

Journal article

Swift RJ, Carter SE, Widdowson DA, Mason JR, Leak DJet al., 2001, Expression of benzene dioxygenase from <i>Pseudomonas putida</i> ML2 in <i>cis</i>-1,2-cyclohexanediol-degrading pseudomonads, APPLIED MICROBIOLOGY AND BIOTECHNOLOGY, Vol: 55, Pages: 721-726, ISSN: 0175-7598

Journal article

Rzepa HS, Martin-Santamaria S, Widdowson DA, Carroll M, Pike Vet al., 2001, Computational mechanistic studies to rationalize unusual stereo and regiochemical outcomes of of extrusion/insertion reactions of iodine (III) and palladium (0) reagents., ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY, Vol: 221, Pages: U396-U396, ISSN: 0065-7727

Journal article

Tan YL, White AJP, Widdowson DA, Wilhelm R, Williams DJet al., 2001, Dilithiation of arenetricarbonylchromium(0) complexes with enantioselective quench: application to chiral biaryl synthesis, JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, Pages: 3269-3280, ISSN: 1472-7781

Journal article

Wilhelm R, Sebhat IK, White AJP, Williams DJ, Widdowson DAet al., 2000, Asymmetric deprotonation-substitution of arenetricarbonylchromium(0) complexes: substituent controlled lithiation with the butyllithium-sparteine system, TETRAHEDRON-ASYMMETRY, Vol: 11, Pages: 5003-5016, ISSN: 0957-4166

Journal article

Sebhat IK, Tan YL, Widdowson DA, Wilhelm R, White AJP, Williams DJet al., 2000, Directed lithiation in arenetricarbonylchromium(0) complexes: Assessment of some directing group specificities and of electrophilic quench efficacies, TETRAHEDRON, Vol: 56, Pages: 6121-6134, ISSN: 0040-4020

Journal article

Carroll MA, Pike VW, Widdowson DA, 2000, New synthesis of diaryliodonium sulfonates from arylboronic acids, TETRAHEDRON LETTERS, Vol: 41, Pages: 5393-5396, ISSN: 0040-4039

Journal article

Carroll MA, White AJP, Widdowson DA, Williams DJet al., 2000, Efficient regio- and diastereo-controlled synthesis of 1,1′- and 1,1′,2,2′-functionalised ferrocenes and the formation of 2-oxa[3]ferrocenophanes, JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, Pages: 1551-1557, ISSN: 1472-7781

Journal article

Carroll MA, Carroll CM, Carter CD, Martin-Santamaria S, Pike VW, Rzepa HS, Widdowson DAet al., 2000, Fluoridation of heteroaromatic iodonium salts-experimental evidence supporting theoretical predictions of the selectivity of the process, Chemical Communications, Pages: 649-650, ISSN: 1359-7345

Journal article

Martin-Santamaria S, Carroll MA, Pike VW, Rzepa HS, Widdowson DAet al., 2000, An ab initio and MNDO-d SCF-MO computational study of the extrusion reactions of R2I-F iodine(III) via dimeric, trimeric and tetrameric transition states, Journal of the Chemical Society-Perkin Transactions 2, Pages: 2158-2161, ISSN: 1470-1820

Journal article

Wilhelm R, Widdowson DA, 2000, Palladium catalysed cross-coupling of (fluoroarene)tricarbonylchromium(0) complexes, JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, Pages: 3808-3813, ISSN: 1470-4358

Journal article

Cho YJ, Carroll MA, White AJP, Widdowson DA, Williams DJet al., 1999, Fulvene formation on attempted protection of a <i>C</i><sub>2</sub> symmetric ferrocenyl bisphosphine as its sulfide, TETRAHEDRON LETTERS, Vol: 40, Pages: 8265-8268, ISSN: 0040-4039

Journal article

Widdowson DA, Wilhelm RE, 1999, Palladium catalysed cross-coupling of (fluoroarene)tricarbonylchromium(0) complexes, CHEMICAL COMMUNICATIONS, Pages: 2211-2212, ISSN: 1359-7345

Journal article

Pike VW, Butt F, Shah A, Widdowson DAet al., 1999, Facile synthesis of substituted diaryliodonium tosylates by treatment of aryltributylstannanes with Koser's reagent, JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, Pages: 245-248, ISSN: 0300-922X

Journal article

Carroll MA, MartinSantamaria S, Pike VW, Rzepa HS, Widdowson DAet al., 1999, An ab initio and MNDO-d SCF-MO computational study of stereoelectronic control in extrusion reactions of R2I-F iodine(III) intermediates, Journal of the Chemical Society-Perkin Transactions 2, Pages: 2707-2714, ISSN: 0300-9580

Journal article

Shah A, Pike VW, Widdowson DA, 1998, The synthesis of [<SUP>18</SUP>F]fluoroarenes from the reaction of cyclotron-produced [<SUP>18</SUP>F]fluoride ion with diaryliodonium salts, JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, Pages: 2043-2046, ISSN: 0300-922X

Journal article

Mwaura FB, Widdowson D, 1998, Some physiological studies of diazotrophic bacteria associated with maize in a temperate and a tropical soil, 7th International Symposium on Nitrogen Fixation with Non-Legumes, Publisher: SPRINGER, Pages: 261-264

Conference paper

Shah A, Pike VW, Widdowson DA, 1997, Synthesis of functionalised unsymmetrical diaryliodonium salts, JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, Pages: 2463-2465, ISSN: 0300-922X

Journal article

Archer IVJ, Leak DJ, Widdowson DA, 1996, Chemoenzymic resolution and deracemisation of (+/-)-1-methyl-1,2-epoxycyclohexane: The synthesis of(1-S,2-S)-1-methylcyclohexane-1,2-diol., TETRAHEDRON LETTERS, Vol: 37, Pages: 8819-8822, ISSN: 0040-4039

Journal article

George MH, Hailes HC, Widdowson DA, 1996, The synthesis of precisely structured polyurethanes .2. Chain building methodology, JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, Pages: 1395-1401, ISSN: 0300-922X

Journal article

HODSON HF, MADGE DJ, WIDDOWSON DA, 1995, REGIOSPECIFIC SYNTHESIS OF 4-FLUORO-DELTA(4),3-KETO STEROIDS USING CESIUM FLUOROXYSULFATE, JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1, Pages: 2965-2968, ISSN: 0300-922X

Journal article

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