首页> 外文期刊>Acta Crystallographica Section E: Crystallographic Communications >Crystal structure and Hirshfeld surface analysis of dimethyl (3aS,6R,6aS,7S)-2-(2,2,2-tri­fluoro­acet­yl)-2,3-di­hydro-1H,6H,7H-3a,6:7,9a-di­epoxy­benzo[de]iso­quinoline-3a1,6a-di­carboxyl­ate
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Crystal structure and Hirshfeld surface analysis of dimethyl (3aS,6R,6aS,7S)-2-(2,2,2-tri­fluoro­acet­yl)-2,3-di­hydro-1H,6H,7H-3a,6:7,9a-di­epoxy­benzo[de]iso­quinoline-3a1,6a-di­carboxyl­ate

机译:二甲基(3aS,6R,6aS,7S)-2-(2,2,2-三氟乙酰基)-2,3-二氢-1H,6H,7H-3a,6:7,9a-的晶体结构和Hirshfeld表面分析双环氧苯并[de]异喹啉-3a1,6a-二羧酸酯

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摘要

The title mol­ecule, C18H16F3NO7, comprises a fused cyclic system containing four five-membered (two di­hydro­furan and two tetra­hydro­furan) rings and one six-membered (piperidine) ring. The five-membered di­hydro­furan and tetra­hydro­furan rings adopt envelope conformations, and the six-membered piperidine ring adopts a distorted chair conformation. Intra­molecular O⋯F inter­actions help to stabilize the conformational arrangement. In the crystal structure, mol­ecules are linked by weak C—H⋯O and C—H⋯F hydrogen bonds, forming a three-dimensional network. The Hirshfeld surface analysis confirms the dominant role of H⋯H contacts in establishing the packing.
机译:标题分子C18H16F3NO7包含一个稠合的环状系统,该系统包含四个五元(两个二氢呋喃和两个四氢呋喃)环和一个六元(哌啶)环。五元二氢呋喃和四氢呋喃环采用包膜构象,六元哌啶环采用扭曲的椅构象。分子内O⋯F相互作用有助于稳定构象排列。在晶体结构中,分子通过弱的CHH和CHF氢键连接,形成三维网络。 Hirshfeld表面分析证实了H⋯H接触在建立填料中的主要作用。

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