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1,3-Bis(2-furyl­methyl­idene)-3,4,5,6-tetra­hydro­pyrimidin-2(1H)-one

✍ Scribed by You, Zhong-Lu ;Zhu, Hai-Liang

Publisher
International Union of Crystallography
Year
2004
Tongue
English
Weight
257 KB
Volume
60
Category
Article
ISSN
1600-5368

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✦ Synopsis

The title compound, C 14 H 14 N 2 O 3 , possesses C s symmetry, with the central CH 2 and C O atoms of the tetrahydropyrimidin-2-one group lying on the mirror plane. The molecule is bowshaped, with two symmetry-related intramolecular CÐHÁ Á ÁO hydrogen bonds. In the crystal structure, the molecules stack along the a axis and there are no short intermolecular contacts.

📜 SIMILAR VOLUMES

Bis[1,3-dimethyl-3,4,5,6-tetra­hydro­pyr
Bis[1,3-dimethyl-3,4,5,6-tetra­hydro­pyrimidin-2(1H)-one-κO]diiodo­cadmium(II)
✍ Lundberg, Daniel ;Eriksson, Lars 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 223 KB

Single-crystal X-ray study T = 100 K Mean (C-C) = 0.012 A R factor = 0.043 wR factor = 0.107 Data-to-parameter ratio = 29.3 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

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3-(3-Fluoro­benz­yl)-2-thioxo-2,3,5,6-tetra­hydro­pyrimidin-4(1H)-one
✍ Yu, Chen-Xia ;Yao, Chang-Sheng ;Tu, Shu-Jiang ;Wang, Xiang-Shan ;Jiang, Hong 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 165 KB

In the title molecule, C~11~H~11~FN~2~OS, conformational disorder is observed in the tetrahydropyrimidine ring and both components adopt half-chair conformations. In the crystal structure, the molecules are linked by C—H...O and N—H...S hydrogen bonds, forming a sheet-like structure parallel to the

3-(4-Fluoro­benzyl)-2-thio­xo-3,4,5,6-te
3-(4-Fluoro­benzyl)-2-thio­xo-3,4,5,6-tetra­hydro­pyrimidin-4(1H)-one
✍ Yao, Chang-Sheng ;Song, Hai-Bin ;Zhu, You-Quan ;Gao, Ying ;Hu, Fang-Zhong ;Zou, 📂 Article 📅 2004 🏛 International Union of Crystallography 🌐 English ⚖ 234 KB

The tetrahydropyrimidine ring of the title molecule, C 11 H 11 FN 2 OS, adopts a half-chair conformation. In the crystal structure, the molecules are linked to form centrosymmetric hydrogen-bonded dimers.