Journal
CARBOHYDRATE RESEARCH
Volume 342, Issue 15, Pages 2159-2162Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.carres.2007.06.017
Keywords
pterin glycoside; pteridine; tepidopterin; glycosylation; L-threo-biopterin
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N(2)-(N,N-Dimethylaminomethylene)-1'-O-(4-methoxybenzyl)-3-[2-(4-nitrophenyl)ethyl]-L-threo-biopterin (14) was prepared from L-xylose in an 11-step-sequence. The first synthesis of tepidopterin (3) was achieved by treatment of 14 with 3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-beta-D-glucopyranosyl bromide in the presence of silver triflate and tetramethylurea, followed by removal of the protecting groups. (C) 2007 Elsevier Ltd. All rights reserved.
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