3‐ tert ‐Butyl‐7,7‐dimethyl‐1‐phenyl‐5,6,7,8‐tetrahydroimidazo[3,4‐ b ]quinolin‐5‐one and 2,8,8‐trimethyl‐5‐phenyl‐6,7,8,9‐tetrahydroimidazo[2,3‐ a ]quinolin‐6‐one: chains generated by C—H⋯N hydrogen bonds
Author(s) -
Low John N.,
Cobo Justo,
Mera Jaime,
Quiroga Jairo,
Glidewell Christopher
Publication year - 2004
Publication title -
acta crystallographica section c
Language(s) - English
Resource type - Journals
eISSN - 1600-5759
pISSN - 0108-2701
DOI - 10.1107/s0108270104011291
Subject(s) - naphthalene , molecule , chemistry , ring (chemistry) , delocalized electron , stereochemistry , medicinal chemistry , hydrogen bond , organic chemistry
In both 3‐ tert ‐butyl‐7,7‐dimethyl‐1‐phenyl‐5,6,7,8‐tetrahydroimidazo[3,4‐ b ]quinolin‐5‐one, C 22 H 25 N 3 O, (I), and 2,8,8‐trimethyl‐5‐phenyl‐6,7,8,9‐tetrahydroimidazo[2,3‐ a ]quinolin‐6‐one, C 19 H 19 N 3 O, (II), the heterobicyclic portions of the molecules are planar, with naphthalene‐type delocalization in (II), while the carbocyclic ring in each compound adopts an envelope conformation. In both (I) and (II), the molecules are linked weakly into chains by a single C—H⋯N hydrogen bond.
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