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5-(6,7-Dimeth­oxy-1,2,3,4-tetra­hydro­isoquinolin-2-yl)-4-phenyl-1,2,5-oxadiazole N-oxide

✍ Scribed by Xu, Hao ;Ling, Yong ;Zou, Zhi-Hong ;Huang, Wen-Long ;Yao, Cheng

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

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✦ Synopsis

In the molecule of the title compound, C~20~H~21~N~3~O~4~, the six-membered heterocyclic ring has a flattened boat form. Intermolecular C—H...O hydrogen bonds link the molecules into dimers, which may be effective in the stabilization of the crystal structure.

📜 SIMILAR VOLUMES

1-(4,6-Dimeth­oxy-1,3,5-triazin-2-yl­oxy
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✍ Zhang, Da-Tong ;Sun, Fang-Gang ;Sun, Ya-Wei ;Duan, Gui-Yun ;Wang, Jian-Wu 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 130 KB

In the title compound, C 11 H 10 N 6 O 3 , the mean planes of the benzotriazole ring system and the 1,3,5-triazine ring make a dihedral angle of 89.3 (3) . The crystal packing is stabilized by stacking interactions and van der Waals forces.

5-Hydr­oxy-3,7-dimeth­oxy-2-phenyl-4H-1-
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The title compound, C 17 H 14 O 5 , a flavone, was isolated from the rhizomes of Kaempferia parviflora. There are two crystallographically independent molecules in the asymmetric unit. The molecular structure is stabilized by intramolecular O-HÁ Á ÁO and C-HÁ Á ÁO hydrogen bonds. C-HÁ Á ÁO intermole