Method for preparing 2,5-dihalopyrazines

Details Method for preparing 2,5-dihalopyrazines Method for preparing 2,5-dihalopyrazines

1974-12-27

1976-08-24

Coughlan, Jr., Paul M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D24146

Patent

active

039766446

ABSTRACT:
A method for preparing 2,5-dihalopyrazines corresponding to the formula ##SPC1##
Wherein X represents chloro, bromo or fluoro which comprises, reacting a 3,5,6-trihalo-2-hydrazinopyrazine of the formula ##SPC2##
With an aqueous alkali metal hydroxide in the presence of a hydroxylic reaction medium.

REFERENCES:
allison et al., J. Chem. Soc. (c), 1970, pp. 1023-1029.

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