Azidomethyl 4-Nitrophenyl Carbonate - A Reagent for the One-Step Introduction of the Azidomethyloxycarbonyl (Azoc) Protecting Group

[摘要]：Presented here is the three-step synthesis of azidomethyl 4-nitrophenyl carbonate in 58% overall yield. This carbonate allows for the high-yielding (>= 90%) introduction of the phosphine-labile azidomethyloxycarbonyl (Azoc) protecting group in one step. The reagent protects a range of amines, including amino acids. For nonionic substrates, pure carbamates are obtained after extractive workup.

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