| abstract |
The present invention relates to a catalyst of the following general formula (I), a method for preparing the same, and a method for producing 2-cyanopyrazine by ammonia oxidation from 2-methylpyrazine using the catalyst, using the catalyst of the present invention. The desired product can be obtained with high conversion and selectivity.n n n n n n n n n n Wherein Pb, Sb, V and O each represent lead, antimony, vanadium and oxygen, M is at least one element selected from molybdenum and tungsten, and N is at least one element selected from alkali metals and alkaline earth metals , a, b, c, d and x represent the atomic ratio of each element, a is 0.001 to 0.2, b is 0.1 to 1.0, c is 0.05 to 0.50, and d has a value of 0 to 0.2, x Is determined according to valence and a, b, c, d in each elemental composition. |