6,7,8,9,10,11-Hexahydro-13<i>H</i>-azocino[2,1-<i>b</i>]quinazolin-13-one
R. Ya. OkmanovS. Yunusov Institute of the Chemistry of Plant Substances, Academy of Sciences of Uzbekistan, Mirzo Ulugbek Str. 77, Tashkent 100170, UzbekistanZ.U. SamarovS. Yunusov Institute of the Chemistry of Plant Substances, Academy of Sciences of Uzbekistan, Mirzo Ulugbek Str. 77, Tashkent 100170, UzbekistanK. K. TurgunovS. Yunusov Institute of the Chemistry of Plant Substances, Academy of Sciences of Uzbekistan, Mirzo Ulugbek Str. 77, Tashkent 100170, UzbekistanB. TashkhodjaevS. Yunusov Institute of the Chemistry of Plant Substances, Academy of Sciences of Uzbekistan, Mirzo Ulugbek Str. 77, Tashkent 100170, UzbekistanKhusniddin M. ShakhidoyatovS. Yunusov Institute of the Chemistry of Plant Substances, Academy of Sciences of Uzbekistan, Mirzo Ulugbek Str. 77, Tashkent 100170, Uzbekistan
ABI
Abstract
The title compound, C(14)H(16)N(2)O, is a synthetic analogue of quinazolone alkaloids with pyrrilo, pyrido and azopino rings. The quinazolinic part of the mol-ecule is generally planar within 0.037 (3) Å; the eight-membered ring exhibits an inter-mediate conformation between the chair and boat forms as it is typical for cyclo-octene rings. An ethyl-ene group of the azopino ring is disordered over two positions with a refined occupancy ratio of 0.910 (7):0.090 (7). In the crystal, the H atoms of the aromatic rings form weak C-H⋯O and C-H⋯N hydrogen bonds. One C-H⋯O hydrogen bond leads to the formation of a one-dimensional chain. Another C-H⋯O and a C-H⋯N bond link these chains, generating a three-dimensional network.
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