Process for preparing cyanopyrazine

Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...

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502211, C07D24124

Patent

active

057864780

ABSTRACT:
This invention relates to a vapor phase process for preparing cyanopyrazine, in particular which is reacting 2-methylpyrazine with ammonia and oxygen over molybdenum-phosphorus oxide-based catalyst of the following formula having the high selectivity and conversion.

REFERENCES:
patent: 3555021 (1971-01-01), Beutel et al.
patent: 4603207 (1986-07-01), DiCosimo et al.
patent: 4931561 (1990-06-01), Shimizu et al.
Reddy et al, Chemical Abstracts, vol. 123, No. 83313 (1995).
Forni et al, Applied Catalysis, 37, pp. 305-314 (1988).

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