Abstract
In the title diacetylene derivative, C16H12N2O, the amino plane makes dihedral angles of 3.90 (4) and 60.53 (4)°, respectively, with the pyridyl and phenyl rings, indicating that an electron-deficient pyridyl ring makes better conjugation with a lone pair of the amino nitrogen atom. In the crystal, molecules form inversion dimersviapairs of hydrogen bonds between the hydroxy and pyridyl groups, with an O...N distance of 2.7765 (16) Å. The dimers stack along theaaxis, but the title compound shows little solid-state polymerization reactivity.
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