Förster Sebastian, Seichter Wilhelm, Weber Edwin
Institut für Organische Chemie, TU Bergakademie Freiberg, Leipziger Strasse 29, D-09596 Freiberg/Sachsen, Germany.
Acta Crystallogr E Crystallogr Commun. 2015 Feb 28;71(Pt 3):o212-3. doi: 10.1107/S2056989015003898. eCollection 2015 Mar 1.
The title compound, C22H19NO4S, has an almost planar geometry supported by intra-molecular N-H⋯O and C-H⋯O hydrogen bonds. The thio-phene ring is inclined to the azulene ring by 4.85 (16)°, while the eth-oxy-carbonyl groups are inclined to the azulene ring by 7.0 (2) and 5.7 (2)°. In the crystal, mol-ecules are linked by pairs of N-H⋯O hydrogen bonds, forming inversion dimers with an R 2 (2)(12) ring motif. The dimers are linked via C-H⋯π inter-actions, forming sheets parallel to (10-1).
标题化合物C₂₂H₁₉NO₄S具有近乎平面的几何结构，分子内的N-H⋯O和C-H⋯O氢键对其起到支撑作用。噻吩环与薁环的夹角为4.85 (16)°，而乙氧羰基与薁环的夹角分别为7.0 (2)°和5.7 (2)°。在晶体中，分子通过N-H⋯O氢键对相连，形成具有R 2 (2)(12)环 motif的反演二聚体。这些二聚体通过C-H⋯π相互作用相连，形成平行于(10-1)的片层。
