abstract |
wherein R represents a dipropylacetyl, tripropylacetyl, 2-ethyl2-butylacetyl or 2-methyl-2-pentyl-acetyl group and R1 represents hydrogen, or a dipropylacetyl, tripropylacetyl, 2-ethyl-2-butylacetyl or 2-methyl-2-pentyl-acetyl group. They have useful antiprotozoan, toxoplasmicidal and antiallergenic properties. Pyrimidine derivatives of the general formula: |