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3-n-Butyl-2-(4-methyl­phen­oxy)-3H-benzo[4,5]furo[3,2-d]pyrimidin-4-one

✍ Scribed by Hu, Yang-Gen ;Zhu, Jun ;Zheng, Ai-Hua

Publisher
International Union of Crystallography
Year
2006
Tongue
English
Weight
291 KB
Volume
62
Category
Article
ISSN
1600-5368

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In the title compound, C 22 H 23 N 3 O 2 , the three fused rings of the benzofuro[3,2-d]pyrimidine system are almost coplanar. The packing of the molecules in the crystal structure is mainly due toand intermolecular C-HÁ Á ÁO hydrogen-bonding interactions.

3-n-Butyl-2-meth­oxy-1-benzothieno[3,2-d
3-n-Butyl-2-meth­oxy-1-benzothieno[3,2-d]pyrimidin-4(3H)-one
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The title compound, C~15~H~16~N~2~O~2~S, contains a five-membered thiophene ring fused to a benzene ring and a substituted pyrimidinone ring. All three rings in each of the independent molecules of the asymmetric unit lie in approximately the same plane. The crystal structure is stabilized by interm