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9-(4-Methyoxylbenzo­yl)-1,2,3,4,7,8-hexa­hydro­pyrido[1,2-a]pyrimidin-6-one

✍ Scribed by Peng, Tao ;Yan, Sheng-Jiao ;Yu, Chu-Yi ;Huang, Zhi-Tang

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

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✦ Synopsis

In the title compound, C~16~H~18~N~2~O~3~, there is an intramolecular N—H...O hydrogen bond. Intermolecular C—H...O bonds stabilize the crystal packing.

📜 SIMILAR VOLUMES

3-(2-Chloro­ethyl)-2-methyl-4-oxo-6,7,8,
3-(2-Chloro­ethyl)-2-methyl-4-oxo-6,7,8,9-tetra­hydro-4H-pyrido[1,2-a]pyrimidin-1-ium chloride
✍ Ravikumar, Krishnan ;Sridhar, Balasubramanian 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 148 KB

In the title compound, C 11 H 16 ClN 2 O + ÁCl À , the chloroethyl side chain is in a synclinal conformation. The tetrahydropyridine ring adopts a half-chair conformation. The crystal structure is stabilized by intermolecular N-HÁ Á ÁCl hydrogen bonds.

7′′-Benz­yl-9′′-benzyl­idene-4′-[4-(dime
7′′-Benz­yl-9′′-benzyl­idene-4′-[4-(dimethyl­amino)phen­yl]-1′-meth­yl-5′′-phen­yl- 2′′,3′′,6′′,7′′,8′′,9′′-hexa­hydro-1H-indole-3(2H)-spiro-2′-pyrrolidine-3′-spiro-2′′-pyrido[4,3-d]thia­zolo[3,2-a]pyrimidine-2,2′′-dione acetonitrile disolvate
✍ Hu, Xiao-Fen ;Feng, Ya-Qing ;Su, Qi ;Qiao, Kang-Jian 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 172 KB

0 -hexahydro-1H-indole-3(2H)-spiro-2 0 0 0 -pyrrolidine-3 0 0 0 -spiro-2 0 0 00 0 0 -pyrido [4,3-d]thiazolo[3,2-a]pyrimidine-2,2 0 0 00 0 0 -dione acetonitrile disolvate

6,7-Di­methyl-3,4,4a,7,8,8a-hexa­hydro­i
6,7-Di­methyl-3,4,4a,7,8,8a-hexa­hydro­isochromen-1-one
✍ Kayal, Nijhuma ;McKee, Vickie 📂 Article 📅 2003 🏛 International Union of Crystallography 🌐 English ⚖ 313 KB

The title compound, C 11 H 16 O 2 , crystallized in space group P2 1 /n with two very similar molecules in the asymmetric unit. In each molecule, the two rings are fused in the endo con®guration.