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Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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Synthesis of polyhydroxylated 2h-azirines and 2-halo-2h-azirines from 3-azido-2,3-dideoxyhexopyranoses by alkoxyl radical fragmentation

Alonso-Cruz, C.R. and Kennedy, A.R. and Rodriguez, M.S. and Suarez, E. (2008) Synthesis of polyhydroxylated 2h-azirines and 2-halo-2h-azirines from 3-azido-2,3-dideoxyhexopyranoses by alkoxyl radical fragmentation. Journal of Organic Chemistry, 73 (11). pp. 4116-4122. ISSN 0022-3263

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Abstract

The reaction of 3-azido-2,3-dideoxypyranose and 3-azido-2,3-dideoxy-2-halohexopyranose compounds with (diacetoxyiodo)benzene and iodine generated 2-azido-1,2-dideoxy-1-iodoalditols and 2-azido-1,2-dideoxy-1-halo-1-iodoalditols, respectively. These beta-iodo azides could be transformed by chemoselective dehydroiodination into 2-azido-1,2-dideoxy-4-O-formyl-pent-1-enitols and (Z,E)-2-azido-1,2-dideoxy-1-halo-4-O-formyl-pent-1-enitols in good yields. Thermolysis and photochemical studies of these vinyl azides and 1-halovinyl azides for the synthesis of polyhydroxylated 3-alkyl-2H-azirines and the hitherto unknown 2-halo-3-alkyl-2H-azirines have also been accomplished.