Application of the Curtius Rearrangement in a Convenient Preparation of 3-Aminopyrazinecarboxylic Acid, Methyl Ester

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• Moisture will hydrolyze this compound to furnish 2,3-pyrazinedicarboxylic acid.
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• Organic azides may be explosive, thus, caution should be exercised. However, we have not encountered any problems up to a 500 g scale of this reaction in our lab.
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