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(RS)-2-(3,4-Methyl­enedioxy­phen­yl)-5-phenyl-3,6-dihydro-2H-pyran

✍ Scribed by Gardiner, Michael G. ;Jones, Roderick C. ;Mason, Celina M. ;Smith, Jason A. ;Wise, Lauren E.

Publisher
International Union of Crystallography
Year
2007
Tongue
English
Weight
93 KB
Volume
63
Category
Article
ISSN
1600-5368

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✦ Synopsis

Single-crystal X-ray study T = 298 K Mean (C-C) = 0.003 A R factor = 0.044 wR factor = 0.125 Data-to-parameter ratio = 12.7 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

📜 SIMILAR VOLUMES

1-[2,6-Dichloro-4-(trifluoro­meth­yl)phe
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✍ Zhong, Ping ;Zhang, Xiao-Hong ;Yang, Zhi-Ping ;Xiao, Hong-Ping ;Hu, Mao-Lin 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 160 KB

In the title molecule, C 19 H 9 Cl 2 F 3 N 4 O 2 , all bond lengths and angles are normal. The dihedral angle between the pyrazole and attached benzene rings is 77.5 (2) . The crystal packing is mainly stabilized by van der Waals forces.

(R)-(–)-6-(4-Amino­phen­yl)-5-methyl-4,5
(R)-(–)-6-(4-Amino­phen­yl)-5-methyl-4,5-dihydro­pyridazin-3(2H)-one
✍ Zhang, Chun-Tao ;Wu, Jie-Hua ;Zhou, Li-Na ;Wang, Yong-Li ;Wang, Jing-Kang 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 178 KB

The title compound, C~11~H~13~N~3~O, is a key intermediate in the synthesis of cardiotonic agents. The asymmetric unit consists of two molecules of the same enantiomer and the crystal packing is stabilized by intermolecular N—H...O hydrogen bonds.