Process for the production of 4,5-dichloro-6-ethylpyrimidine

Details Process for the production of 4,5-dichloro-6-ethylpyrimidine Process for the production of 4,5-dichloro-6-ethylpyrimidine

1989-11-08

1990-12-11

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

049772643

ABSTRACT:
2-chloro-3-oxopentanoic acid alkyl ester is condensed with the addition of bases with formamidinium salts into 5-chloro-6-ethyl-4-hydroxypyrimidine. The latter is converted with phosphoryl chloride into 4,5-dichloro-6-ethylpyrimidine.

REFERENCES:
"4-Methyl-6-Hydroxypyrimidine", H. M. Foster and H. R. Snyder, Organic Syntheses, Collective vol. 4, pp. 638-640 (1963).

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