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首页> 外文期刊>Acta Crystallographica Section E: Crystallographic Communications >Crystal structure of (E)-9-({[4-(di-ethyl-amino)-phen-yl]imino}-meth-yl)-2,3,6,7-tetra-hydro-1H,5H-pyrido[3,2,1-ij]quinolin-8-ol
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Crystal structure of (E)-9-({[4-(di-ethyl-amino)-phen-yl]imino}-meth-yl)-2,3,6,7-tetra-hydro-1H,5H-pyrido[3,2,1-ij]quinolin-8-ol

机译:(E)-9-({[4-(二乙基-氨基)-苯基]亚氨基}-甲基-基)-2,3,6,7-四氢-1H,5H-的晶体结构吡啶基[3,2,1-ij]喹啉-8-ol

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摘要

The title compound, C23H29N3O, was synthesized from the condensation reaction of 8-hy-droxy-julolidine-9-carbaldehyde and N,N-diethyl-p-phenyl-enedi-amine. The hy-droxy group forms a intra-molecular hydrogen bond to the imine N atom and generates an S(6) ring motif. The conformation about the C=N bond is E, and the aromatic ring of the julolidine moiety is inclined to the benzene ring by 3.74?(14)°. One of the fused non-aromatic rings of the julolidine moiety adopts an envelope conformation and the other has a screw-boat conformation. In the crystal, mol-ecules are linked by C—H?π inter-actions involving the aromatic julolidine ring, forming slabs parallel to the bc plane. The tricyclic fragment of the julolidine ring and the azomethine C=N bond are disordered over two sets of sites with a refined occupancy ratio of 0.773?(3):0.227?(3).
机译:标题化合物C23H29N3O由8-羟基-julolidine-9-甲醛与N,N-二乙基-对-苯基-二烯胺的缩合反应合成。羟基与亚胺N原子形成分子内氢键并生成S(6)环基序。关于C = N键的构象是E,并且聚甲基吡啶部分的芳环相对于苯环倾斜3.74°(14)°。聚甲基吡啶部分的稠合非芳族环之一具有包膜构型,另一个具有螺旋舟构型。在晶体中,mol-ecules通过涉及芳族朱洛定环的CH-π相互作用连接,形成平行于bc平面的平板。在两组位点上,甲氧吡啶环的三环片段和偶氮甲碱的C = N键是无序的,精细占据比为0.773?(3):0.227?(3)。

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