2-(2-Chloropyrimidin-4-yl)-3,5,6,7,8,9-hexahydro-2H-1,2,4-triazolo[4,3-a]azepin-3-one

2-(2-Chloropyrimidin-4-yl)-3,5,6,7,8,9-hexahydro-2H-1,2,4-triazolo[4,3-a]azepin-3-one

In the title compound, C11H12ClN5O, the triazolone and pyrimidine rings are almost coplanar [dihedral angle = 2.98 (14)°]. The total puckering amplitude QT of the seven-membered lactam ring is 0.706 (3) Å.

Bibliographic Details
Main Authors:	Feng-Ling Yang, Zhao-Yang Li, Li-Ye Wang, Gong-Chun Li
Format:	Article
Language:	English
Published:	International Union of Crystallography 2008-10-01
Series:	Acta Crystallographica Section E
Online Access:	http://scripts.iucr.org/cgi-bin/paper?S1600536808028900

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