Glycosyl Imidates, 18. - Regioselective Reactions of Partially Protected Sugars. Convenient Synthesis of 3,4-Diazido-3,4-dideoxy-L-arabinose from D-Arabinose
Benzyl β-D-arabinopyranoside (1) gave with 1.5 equivalents of mesyl chloride exclusively the 2,3-di-O-mesyl compound 2.Treatment with NaN3 in DMF caused inversion at C-2, C-3, and C-4 and yielded benzyl 3,4-diazido-3,4-dideoxy-α-L-arabinopyranoside (11).A
Schmidt, Richard R.,Faas, Michael,Jung, Karl-Heinz
p. 1546 - 1556
(2007/10/02)
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