Ethyl 2,7,7-trimethyl-4-(1-methyl-1H-indol-3-yl)-5-oxo-1,4,5,6,7,8- hexahydroquinoline-3-carboxylate

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YILDIRIM S., Butcher R. J., GÜNDÜZ M. G., El-Khouly A., ŞİMŞEK R., Şafak C.

Acta Crystallographica Section E: Structure Reports Online, vol.69, no.1, 2013 (SCI-Expanded) identifier identifier

  • Publication Type: Article / Article
  • Volume: 69 Issue: 1
  • Publication Date: 2013
  • Doi Number: 10.1107/s1600536812047976
  • Journal Name: Acta Crystallographica Section E: Structure Reports Online
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, Aerospace Database, Communication Abstracts, Metadex, Directory of Open Access Journals, Civil Engineering Abstracts
  • Erciyes University Affiliated: Yes

Abstract

In the title molecule, C24H28N2O 3, the cyclohexene ring is in a sofa conformation and the 1,4-dihydropyridine ring is in a slight boat conformation. In the indole ring system, the pyrrole and benzene rings form a dihedral angle of 2.63 14;(7)°. In the crystal, N - HO hydrogen bonds connect the molecules into C(6) chains parallel to the b axis and pairs of weak C - HO hydrogen bonds link inversion-related chains into a ladder motif through R 2 2(18) rings. A weak intramolecular C - HO hydrogen bond is also observed.