Add time:08/14/2019         Source:sciencedirect.com

Bromine-induced oxidative ring contraction of an α-amino-δ-lactone gave a mixture of α-aminotetrahydrofurancarboxylic esters which may allow the preparation of stable amino acid derivatives at the anomeric position of mannofuranose. The synthesis of N-phenylhydantoins at the anomeric position of mannofuranose is reported.

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