Regioselective Acylation of 3,4-OH Free D-Glucosamines: A Rapid Access to Orthogonally Functionalized Building Blocks

[摘要]：A method for the regioselective O-acylation of 3,4-OH free D-glucosamines via stannylene acetal methodology was developed. From fully acetylated 2-N-trichloroacetyl-D-glucosamine, 4-OH free D-glucosamine derivatives bearing orthogonal protecting group patterns were prepared.

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