Process for preparing 2,4,6-trichloropyrimidine

Details Process for preparing 2,4,6-trichloropyrimidine Process for preparing 2,4,6-trichloropyrimidine

1996-06-03

1998-01-27

Ford, John M.

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

Organic compounds

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

C07D23930

Patent

active

057123942

ABSTRACT:
Process for preparing 2,4,6-trichloropyrimidine, characterized in that, in a first reaction step, barbituric acid is reacted, optionally in the presence of a catalyst, with phosphorus oxychloride and subsequently, in a second reaction step, with phosphorus pentachloride or with reactants forming the latter, in particular phosphorus trichloride and chlorine.

REFERENCES:
J. Baddiley, et al., J. Chem. Soc., pp. 678-679, (1944).
H. Brederick, et al., Chem. Ber., vol. 92, pp. 2937-2943, (1959).
M.M. Robinson, J. Am. Chem. Soc., vol. 80, pp. 5481-5483, (1958).

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