2-(2,4,5-Trimethoxyphenyl)-2,3-dihydroquinolin-4(1H)-one

2-(2,4,5-Trimethoxyphenyl)-2,3-dihydroquinolin-4(1H)-one

In the title aza-flavanone, C18H19NO4, an intramolecular cyclization product of chalcone, the central heterocyclic ring is in an envelope conformation and the dihedral angle between the benzene rings is 51.03 (10)°. The methoxy groups at the ortho and para positions are sl...

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Main Authors: Hoong-Kun Fun, Nawong Boonnak, Suchada Chantrapromma, Pumsak Ruanwas, Kan Chantrapromma
Format: Article
Language:English
Published: International Union of Crystallography 2012-03-01
Series:Acta Crystallographica Section E
Online Access:http://scripts.iucr.org/cgi-bin/paper?S1600536812002917
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spelling doaj-9be66b127cb64f5ab3047e90fdfc31702020-11-25T00:54:34ZengInternational Union of CrystallographyActa Crystallographica Section E1600-53682012-03-01683o664o66510.1107/S16005368120029172-(2,4,5-Trimethoxyphenyl)-2,3-dihydroquinolin-4(1H)-oneHoong-Kun FunNawong BoonnakSuchada ChantraprommaPumsak RuanwasKan ChantraprommaIn the title aza-flavanone, C18H19NO4, an intramolecular cyclization product of chalcone, the central heterocyclic ring is in an envelope conformation and the dihedral angle between the benzene rings is 51.03 (10)°. The methoxy groups at the ortho and para positions are slightly twisted from the benzene ring to which they are bound [C—O—C—C = 21.9 (3) and −171.93 (18)°, respectively], whereas the methoxy group at the meta position is almost coplanar [C—O—C—C = 3.5 (3)°]. In the crystal, molecules are linked by N—H...O hydrogen bonds and weak C—H...O interactions into chains along the [001] direction. Weak C—H...π interactions also occur.http://scripts.iucr.org/cgi-bin/paper?S1600536812002917
collection DOAJ
language English
format Article
sources DOAJ
author Hoong-Kun Fun
Nawong Boonnak
Suchada Chantrapromma
Pumsak Ruanwas
Kan Chantrapromma
spellingShingle Hoong-Kun Fun
Nawong Boonnak
Suchada Chantrapromma
Pumsak Ruanwas
Kan Chantrapromma
2-(2,4,5-Trimethoxyphenyl)-2,3-dihydroquinolin-4(1H)-one
Acta Crystallographica Section E
author_facet Hoong-Kun Fun
Nawong Boonnak
Suchada Chantrapromma
Pumsak Ruanwas
Kan Chantrapromma
author_sort Hoong-Kun Fun
title 2-(2,4,5-Trimethoxyphenyl)-2,3-dihydroquinolin-4(1H)-one
title_short 2-(2,4,5-Trimethoxyphenyl)-2,3-dihydroquinolin-4(1H)-one
title_full 2-(2,4,5-Trimethoxyphenyl)-2,3-dihydroquinolin-4(1H)-one
title_fullStr 2-(2,4,5-Trimethoxyphenyl)-2,3-dihydroquinolin-4(1H)-one
title_full_unstemmed 2-(2,4,5-Trimethoxyphenyl)-2,3-dihydroquinolin-4(1H)-one
title_sort 2-(2,4,5-trimethoxyphenyl)-2,3-dihydroquinolin-4(1h)-one
publisher International Union of Crystallography
series Acta Crystallographica Section E
issn 1600-5368
publishDate 2012-03-01
description In the title aza-flavanone, C18H19NO4, an intramolecular cyclization product of chalcone, the central heterocyclic ring is in an envelope conformation and the dihedral angle between the benzene rings is 51.03 (10)°. The methoxy groups at the ortho and para positions are slightly twisted from the benzene ring to which they are bound [C—O—C—C = 21.9 (3) and −171.93 (18)°, respectively], whereas the methoxy group at the meta position is almost coplanar [C—O—C—C = 3.5 (3)°]. In the crystal, molecules are linked by N—H...O hydrogen bonds and weak C—H...O interactions into chains along the [001] direction. Weak C—H...π interactions also occur.
url http://scripts.iucr.org/cgi-bin/paper?S1600536812002917
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AT nawongboonnak 2245trimethoxyphenyl23dihydroquinolin41hone
AT suchadachantrapromma 2245trimethoxyphenyl23dihydroquinolin41hone
AT pumsakruanwas 2245trimethoxyphenyl23dihydroquinolin41hone
AT kanchantrapromma 2245trimethoxyphenyl23dihydroquinolin41hone
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