METHOD FOR PREPARING CYANOPYRAZINE

摘要

PROBLEM TO BE SOLVED: To provide a method for preparing 2-cyanopyrazine which ensures a high yield and selectivity at a low molar ratio of ammonia and can avoid formation of by-products.

SOLUTION: The method for preparing 2-cyanopyrazine by ammoxidation of 2-methylpyrazine comprises using a catalyst containing an active ingredient constituted of metal oxides of molybdenum, chromium, and antimony provided on alumina.

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