Synthesis of Arylsubstituted 2-Pyrimidinamines, Dihydro-2-pyrimidinamines and Pyrimidopyrimidines by Reaction of Guanidine with Chalcones (Heterocyclic Compounds, 77. Commun.)

Article abstract of DOI:10.1007/BF00798803

4- and 4'-methoxy-, 4-hydroxy- and 2-hydroxychalcone 4e, k, f and g, respectively, are transformed by action of guanidine in benzene to yield 4-(4-methoxyphenyl)-6-phenyl-2-pyrimidinamine (6e=6k) and hydroxyphenylpyrimidinamines 6f and g, respectively.In