2-Benzazepines. 7. Synthesis of pyrimido[5,4-d][2]benzazepines [1]

Article abstract of DOI:10.1002/jhet.5570200512

Two novel syntheses of pyrimido[5,4-d][2]benzazepines are described. The first synthesis stared with 3-phenylphthalide which in three steps was converted to a functionalized pyrimidine which was cyclized to give the 2-benzazepine ring system. The second a