Carbohydrate Research p. 197 - 206 (1993)
Update date:2022-09-26
Topics:
Thiem, Joachim
Wiesner, Matthias
Partial acylation of glycosyl fluorides in the galacto (2 and 3) and gluco series (8-10) is readily achieved. Attempts to further alkylate these acyl derivatives failed. Treatment of 2 with Lewis acid, however, provided a facile route to the 1,4-anhydro derivative 5. Lewis acid-mediated glycosylation of 2-acetamido-3,4,6-tri-O-acetyl-α-D-glucopyranosyl fluoride 11 led to the simple glycosides and thioglycosides 12-16. Similarly, in the galacto series (17) an advantageous route to the β-galactosidase inhibitor 19 could be elaborated.
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