title: New polycyclic azines derived from pyrazolo[3,4-b]pyridine.
abstract: The aminoimidazolinyl derivative 3 was synthesized using the pyrazole amino aldehyde 1 as a starting material. Compound 3 has been used as a key intermediate in the synthesis of the title compounds.
authors.affiliation: Chemistry Department, Faculty of Science, Assiut University, Assiut, Egypt.
authors.forename: T I
authors.initials: TI
authors.lastname: el-Emary
authors.forename: A M
authors.initials: AM
authors.lastname: Hussein
authors.forename: H S
authors.initials: HS
authors.lastname: el-Kashef
mesh_terms: D009682:Magnetic Resonance Spectroscopy; D011083:Polycyclic Compounds / Q000138:chemical synthesis*; D011720:Pyrazoles / Q000138:chemical synthesis*; D011725:Pyridines / Q000138:chemical synthesis*; D013055:Spectrophotometry, Infrared
chemical_list: D011083:Polycyclic Compounds; D011720:Pyrazoles; D011725:Pyridines; C447480:pyrazolo(3,4-b)pyridine