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Synthesis 1987; 1987(2): 166-167
DOI: 10.1055/s-1987-27873
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5-Norbornene-2,3-dicarboximido Carbonochloridate. A New Stable Reagent for the Introduction of Amino-Protecting Groups

Peter Henklein* , Hans-Ulrich Heyne, Wolf-Rainer Halatsch, Hartmut Niedrich
  • *Institute of Drug Research, Academy of Sciences, DDR-1136 Berlin, German Democratic Republic
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Publication Date:
12 September 2002 (online)

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The synthesis of activated carbonates, based on a new carbonochloridate derived from N-hydroxy-5-norbornene-2,3-dicarboximide, is reported. These activated carbonic esters are excellent reagents for the introduction of all currently used urethane protecting groups.