Process for making alkyl pyrazines

Details Process for making alkyl pyrazines Process for making alkyl pyrazines

1983-01-13

1989-08-08

Sutto, Anton H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

C07D24112

Patent

active

048554316

ABSTRACT:
The invention deals with a process for making a pyrazine from an aminoalkanol by passing it over a crystalline aluminosilicate zeolite having a silica to alumina ratio of at least 12 and a constraint index of 1 to 12 under conditions to dehydrate, dehydrogenate and cyclize it.

REFERENCES:
patent: 3067199 (1962-12-01), Langdon
patent: 3285917 (1966-11-01), Brader et al.
patent: 3925378 (1975-12-01), Voges et al.
patent: 3928174 (1975-12-01), Bonacci et al.
patent: 4347395 (1982-08-01), Chu et al.
patent: 4370508 (1983-01-01), Kaeding

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