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首页> 外文期刊>Acta Crystallographica Section E: Crystallographic Communications >Crystal structure of 5′′-benzyl­idene-1′-methyl-4′-phenyl­tri­spiro­[ace­naphthyl­ene-1,2′-pyrrolidine-3′,1′′-cyclo­hexane-3′′,2′′′-[1,3]dioxane]-2,6′′-dione
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Crystal structure of 5′′-benzyl­idene-1′-methyl-4′-phenyl­tri­spiro­[ace­naphthyl­ene-1,2′-pyrrolidine-3′,1′′-cyclo­hexane-3′′,2′′′-[1,3]dioxane]-2,6′′-dione

机译:5''-亚苄基-1'-甲基-4'-苯基三螺并[ac] -1,2'-吡咯烷-3',1''-环己烷-3',2'''-[1,3]的晶体结构]二恶烷] -2,6''-二酮

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摘要

In the title compound, C36H31NO4, two spiro links connect the methyl-substituted pyrrolidine ring to the ace­naphthyl­ene and cyclo­hexa­none rings. The cyclo­hexa­none ring is further connected to the dioxalane ring by a third spiro junction. The five-membered ring of the ace­naphthylen-1-one ring system adopts a flattened envelope conformation with the ketonic C atom as flap, whereas the dioxalane and pyrrolidine rings each have a twist conformation. The cyclo­hexa­none ring assumes a boat conformation. Three intra­molecular C—H⋯O hydrogen bonds involving both ketonic O atoms as acceptors are present. In the crystal, C—H⋯O hydrogen bonds connect centrosymmetrically related mol­ecule into chains parallel to the b axis, forming rings of R22(10)and R22(8) graph-set motifs.
机译:在标题化合物C36H31NO4中,两个螺环连接甲基取代的吡咯烷环与to和环己酮环。环己酮环还通过第三螺环连接至二氧杂戊环。 ena烯-1-酮环系统的五元环采用扁平的包膜构象,以酮C原子为侧翼,而二氧杂戊环和吡咯烷环分别具有扭曲构象。环己酮环呈船形。存在涉及两个酮基O原子作为受体的三个分子内CHHO氢键。在晶体中,CHOH氢键将与中心对称相关的分子连接到与b轴平行的链中,从而形成R22(10)和R22(8)图形设定的图案环。

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