Add time:09/27/2019 Source:sciencedirect.com
Pyrazinecarbonitriles can be decyanated by hydrogenation with platinum on carbon in the presence of activated carbon under acidic conditions. Pyrazine carbonitrile-N-oxides undergo a stepwise reduction to the deoxy-pyrazinecarbonitriles followed by decyanation to give pyrazines in good yields.
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