Pyrimidines, Part XXXI [1]. Synthesis, reactions and properties of 6-acyl-1,3-dimethylpyrrolo[2,3-d]pyrimidine-2,4-diones

Article abstract of DOI:10.1002/jhet.5570250536

Acylations of 1,3-dimethyl-(1) and 1,3,7-trimethylpyrrolo[2,3-d]pyrimidine-2,4-dione (2) with anhydrides in the presence of trifluoroacetic acid proceed well to give in good yields the corresponding 7-acyl derivatives 3-11. The 6-trichloroacetyl derivativ