8,8-Dimethyl-8,9-dihydro-7H-chromeno[2,3-b]quinoline-10,12-dione

Reddy B.S.R.; Srinivasan T.; Velmurugan D.; Yuvaraj P.

首页> 外文期刊>Acta Crystallographica Section E: Crystallographic Communications >8,8-Dimethyl-8,9-dihydro-7H-chromeno[2,3-b]quinoline-10,12-dione

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8,8-Dimethyl-8,9-dihydro-7H-chromeno[2,3-b]quinoline-10,12-dione

机译：8,8-二甲基-8,9-二氢-7H-chromeno [2,3-b]喹啉-10,12-二酮

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In the title compound, C18H15NO3, the fused benzopyran and pyridine rings are essentially coplanar [r.m.s. deviation = 0.0533?? with a maximum deviation of 0.080?(1)?? for a benzene C atom]. The cyclo-hexa-none ring adopts an envelope conformation with the dimethyl-substituted C atom 0.660?(2)?? out of the plane formed by the remaining ring atoms (r.m.s. deviation = 0.0305??). The dihedral angle between the mean planes of the pyran and cyclo-hexa-none rings is 12.95?(6)°. In the crystal, mol-ecules are linked via C—H?O hydrogen bonds, leading to chains running along [011].

机译：在标题化合物C18H15NO3中，稠合的苯并吡喃环和吡啶环基本上是共面的[r.m.s.偏差= 0.0533 ??最大偏差为0.080？（1）??苯碳原子]。环己酮环具有与二甲基取代的C原子0.660′（2）′的包络构象。在由剩余的环原子形成的平面之外（r.m.s.偏差＝ 0.0305 -6）。吡喃环和环六酮环的平均平面之间的二面角为12.95°（6）°。在晶体中，mol-ecule通过CHOH氢键连接，形成沿着[011]的链。

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《Acta Crystallographica Section E: Crystallographic Communications》 |2013年第2期|共页
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Reddy B.S.R.; Srinivasan T.; Velmurugan D.; Yuvaraj P.;
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中图分类晶体学;
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机译：8,8-二甲基-8,9-二氢-7H-chromeno [2,3-b]喹啉-10,12-二酮
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7. 8,8-Dimethyl-8,9-dihydro-7H-chromeno[2,3-b]quinoline-10,12-dione [O] . Thothadri Srinivasan, Panneerselvam Yuvaraj, Boreddy S. R. Reddy, 2013

机译：8,8-二甲基-8,9-二氢-7H-chromeno [2,3-b]喹啉-10,12-二酮

8,8-Dimethyl-8,9-dihydro-7H-chromeno[2,3-b]quinoline-10,12-dione

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