Method for producing 2-anilino-4,6-dimethylpyrimidine

Details Method for producing 2-anilino-4,6-dimethylpyrimidine Method for producing 2-anilino-4,6-dimethylpyrimidine

2007-10-09

2007-10-09

Rao, Deepak (Department: 1624)

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

Organic compounds

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

Reexamination Certificate

active

10504179

ABSTRACT:
In this method for producing 2-anilino-4,6-dimethylpyrimidine by reacting phenylguanidine and/or one of its salts with acetylacetone the reaction takes place in the presence of water and/or without separating the amounts of water that are formed during the reaction. Phenylguanidine carbonate and phenylguanidine hydrogen carbonate preferably in a water-moist form are used for this reaction which is preferably carried out at pressures between 0.1 and 10 bar and at temperatures between 40 and 180° C. In this manner a finely crystalline product of high purity is obtained in very good yields by a technically simple method.

REFERENCES:
patent: 0 310 550 (1989-04-01), None
patent: 0 717 038 (1996-06-01), None
Non-Peptide Corticotropin-Releasing Hormone, Arvanitis, et al. Journal of Meedicinal Chemistry, Amer. Chem. Soc. vol. 42, 1999.
Antibakterielle Wirkstoffe, Kreutzberger, et al., vol. 318, 1985.
Antimykotische Wirkstorfe, XX [1,2,3], Fluoriete 2-(4-Toluidino)pyrimidine, Kreutzberger, et al. Jan.-Feb. 1985, pp. 101-103, vol. 22.

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