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4-(o-Methoxy­phenyl)-1,3,4,4a,5,6,7,8a-octa­hydro-2H-pyrano­[2,3-d]­pyrimidine-2-thione

✍ Scribed by Yan, Lei ;Zhu, Yu-Lin ;Pan, Yuan-Jiang


Publisher
International Union of Crystallography
Year
2005
Tongue
English
Weight
193 KB
Volume
61
Category
Article
ISSN
1600-5368

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✦ Synopsis


The title compound, C 14 H 18 N 2 O 2 S, which was obtained from an extended Biginelli reaction, contains a pyran ring with a chair conformation, a pyrimidine ring with a half-chair conformation and a benzene ring. The crystal structure is stabilized by an intermolecular hydrogen-bond network.


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✍ Yamin, Bohari M. ;Kasim, Noor Azilah M. ;Hamzah, Noraini 📂 Article 📅 2004 🏛 International Union of Crystallography 🌐 English ⚖ 278 KB

The reaction of cinnamoyl isothiocyanate and aniline gave a the title cyclized thiourea, C 13 H 16 N 2 S. There are two molecules in the asymmetric unit. The pyrimidine-2-thione moiety in each molecule is almost perpendicular to the phenyl group. The molecules are linked by two intermolecular NÐHÁ Á