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Crystal and molecular structures of 1,4-dihydro-6-methyl-5-N,N-diethylcarbamoyl-4-phenyl-2(3H)-pyrimidinethione (1) and 1,4-dihydro-6-methyl-5-N-methyl carbamoyl-4-(2′-nitrophenyl)-2(3H)-pyrimidinethione hemihydrate (2)

✍ Scribed by K. Chandra Mohan; K. Ravikumar; Meera M. Shetty; S. Thiyagarajan; S.S. Rajan


Book ID
110433495
Publisher
Springer
Year
2003
Tongue
English
Weight
103 KB
Volume
33
Category
Article
ISSN
1572-8854

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📜 SIMILAR VOLUMES


1,4-Dihydro-6-methyl-5-(N-methyl­carbamo
✍ Sridhar, Balasubramanian ;Ravikumar, Krishnan 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 127 KB

The title compound, C 13 H 14 N 4 O 3 SÁH 2 O, is an isomer of 1,4dihydro-6-methyl-5-(N-methylcarbamoyl)-4-(2-nitrophenyl)pyrimidine-2(3H)-thione. The nitro group is coplanar with the benzene ring to which it is attached. Intermolecular hydrogen bonds stabilize the crystal structure.

(5R,6R)-Methyl 6-methyl-2-phenyl-5,6-dih
✍ Dai, Le ;Chen, Fen-Er ;Chen, Min-Qin 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 89 KB

The title compound, C 13 H 15 NO 3 , contains a chiral cisdisubstituted oxazine linked to a phenyl ring at the C-2 atom. The racemic crystal structure is stabilized by both intra-and intermolecular C-HÁ Á ÁO hydrogen bonds.

4-(2,4-Dichloro­phen­yl)-5-(N,N-diethyl­
✍ Sridhar, B. ;Ravikumar, K. ;Sadanandam, Y. S. 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 140 KB

The asymmetric unit of the title compound, C 16 H 19 Cl 2 N 3 OS, contains two crystallographically independent molecules, which have almost identical conformations. The dihydropyrimidine ring adopts a boat conformation in both molecules. N-HÁ Á ÁO and N-HÁ Á ÁS hydrogen bonds stabilize the crystal