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Andrew J Tyrrell

Explore the profile of Andrew J Tyrrell including associated specialties, affiliations and a list of published articles. Areas
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Recent Articles
1.
Clarkson R, Komsta Z, Mayes B, Moussa A, Shelbourne M, Stewart A, et al.
J Org Chem . 2015 Jan; 80(4):2198-215. PMID: 25615008
Construction of protected 2,3-dideoxy-2-fluoro-2,3-endo-methylene-pentofuranoses from d-glyceraldehyde and 2,3-dideoxy-2-fluoro-3-C-hydroxymethyl-2,3-endo-methylene-pentofuranoses from d-isoascorbic acid, via Simmons-Smith-type stereoselective cyclopropanations on the respective fluoroallyl alcohols, is described. Synthesis of the corresponding conformationally locked sugar modified...
2.
Komsta Z, Mayes B, Moussa A, Shelbourne M, Stewart A, Tyrrell A, et al.
Org Lett . 2014 Sep; 16(18):4878-80. PMID: 25210994
The synthesis of the novel 2',3'-cyclopropane nucleoside 3'-deoxy-3'-C-hydroxymethyl-2',3'-methylene-uridine is described. Stereoselective construction of the cyclopropane ring was achieved via Simmons-Smith cyclopropanation of a benzyl protected silyl enol ether, which was...
3.
Stevens K, Tyrrell A, Skerratt S, Robertson J
Org Lett . 2011 Oct; 13(22):5964-7. PMID: 22007707
An efficient synthesis of NP25302 is presented that relies on 5-endo-dig N-cyclization to establish the bicyclic core and Curtius rearrangement to install the N-acyl vinylogous urea functionality.
4.
Stephan C, Winburn A, Christensen A, Tyrrell A
J Forensic Sci . 2011 Feb; 56(2):320-32. PMID: 21306373
This study investigated the value of antemortem (AM) and postmortem (PM) radiographs of the claviculae and C3-T4 vertebrae to identify skeletons of missing U.S. soldiers from past military operations. In...
5.
Tyrrell A, Feast G, Robertson J
Acta Crystallogr Sect E Struct Rep Online . 2011 Jan; 64(Pt 7):o1261. PMID: 21202895
X-ray crystallography was used to confirm the structure of the enantio-enriched title compound, C(10)H(12)Cl(2)O, a bicylic enol ether. A bridged boat-like structure is adopted and the dichloro-methyl-ene C atom is...
6.
Robertson J, Green S, Hall M, Tyrrell A, Unsworth W
Org Biomol Chem . 2008 Jul; 6(14):2628-35. PMID: 18600284
Silatropic carbonyl ene cyclisations of beta-(allylsilyloxy)- and beta-(crotylsilyloxy)butyraldehydes are shown to proceed with high stereoselectivity but at a much reduced rate in comparison to the cyclisation of analogous alpha-substrates. In...