Abstract
In the crystal structure of the title compound, C18H17N3O3·H2O, the molecules are linked by O—H⋯O and O—H⋯N hydrogen bonds, resulting in a chain along the a axis. The crystal structure is stabilized by weak intermolecular C—H⋯π (ring) hydrogen bonds and aromatic π⋯π stacking interactions [centroid–centroid distance = 3.902 (1) Å] between the pyrimidino rings of the quinazoline system. The tricyclic quinazoline fragment is almost planar (rms deviation = 0.0139 Å) with the two methylene C atoms of the pyrrolo ring deviating by 0.148 (2) and −0.081 (3) Å from the plane through the other atoms. The 4-nitrophenyl ring makes a dihedral angle of 12.55 (7)° with the tricyclic ring system.
Highlights
S.Yunusov Institute of the Chemistry of Plant Substances, Academy of Sciences of Uzbekistan, Mirzo Ulugbek Str., 77, Tashkent 100170, Uzbekistan
H atoms treated by a mixture of independent and constrained refinement max = 0.18 e Å3
In the crystal structure of the title compound, C18H17N3O3H2O, the molecules are linked by O—H O and O—H N
Summary
(4-Nitrophenyl)(1,2,3,9-tetrahydropyrrolo[2,1-b]quinazolin-3-yl)methanol monohydrate Burkhon Zh. Elmuradov, Charoskhon E. S.Yunusov Institute of the Chemistry of Plant Substances, Academy of Sciences of Uzbekistan, Mirzo Ulugbek Str., 77, Tashkent 100170, Uzbekistan
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