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X-ray diffraction studies of 5-functionalized 1,2,3,4-tetrahydropyrimidin-2-ones(thiones): II. Molecular and crystal structures of 5-benzoyl-4,6-dimethyl-1,2,3,4-tetrahydropyrimidine-2-thione and ethyl 6-phenyl-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate

✍ Scribed by G. V. Gurskaya; V. E. Zavodnik; A. D. Shutalev

Book ID
110134588
Publisher
SP MAIK Nauka/Interperiodica
Year
2003
Tongue
English
Weight
88 KB
Volume
48
Category
Article
ISSN
1063-7745

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πŸ“œ SIMILAR VOLUMES

X-ray diffraction studies of 5-functiona
X-ray diffraction studies of 5-functionalized substituted 1,2,3,4-tetrahydropyrimidin-2-ones(thiones): I. Molecular structures of 5-acetyl-4-ethyl-6-methyl-1,2,3,4-tetrahydropyrimidine-2-thione, 5-acetyl-6-methyl-4-(4-methylphenyl)-1,2,3,4-tetrahydropyrimidine-2-thione, and 5-acetyl-4-(4-methoxyphenyl)-6-methyl-1,2,3,4-tetrahydropyrimidin-2-one
✍ G. V. Gurskaya; V. E. Zavodnik; A. D. Shutalev πŸ“‚ Article πŸ“… 2003 πŸ› SP MAIK Nauka/Interperiodica 🌐 English βš– 86 KB
Ethyl 6-methyl-4-(2-phenyltriazol-4-yl)-
Ethyl 6-methyl-4-(2-phenyltriazol-4-yl)-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate
✍ Xie, Fang ;Huang, He ;Liu, Gang ;Liu, Chen-Jiang πŸ“‚ Article πŸ“… 2007 πŸ› International Union of Crystallography 🌐 English βš– 352 KB

In the crystal structure of the title compound, C 16 H 17 N 5 O 2 S, molecules are linked by two N-HÁ Á ÁS hydrogen bonds, with N-S distances of 3.3469 (13) and 3.3703 (13) A ˚and N-H Á Á ÁS angles of 158 and 162 .

Ethyl 4-(4-hydroxy-3-methoxyphenyl)-6-me
Ethyl 4-(4-hydroxy-3-methoxyphenyl)-6-methyl-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate
✍ Shang, Zhen-Hua ;Xiu, Yong ;Lin, Yan-Yan πŸ“‚ Article πŸ“… 2007 πŸ› International Union of Crystallography 🌐 English βš– 741 KB

In the title compound, C 15 H 18 N 2 O 4 S, the packing is consolidated by an intra/intermolecular bifurcated O-HÁ Á Á(O,O) and intermolecular N-HÁ Á ÁS hydrogen bonds. The tetrahydropyrimidin-2-one ring is twisted. ## Related literature For background, see: Kappe (1993). ## Experimental Cryst