The asymmetric unit of (I), showing 30% probability displacement ellipsoids and the atom-numbering scheme. H atoms have been omitted.
4-(3,4-Methylenedioxyphenyl)-7,7-dimethyl-5-oxo-3,4,5,6,7,8-hexahydrocoumarin
✍ Scribed by Wu, Hui ;Shi, Daqing ;Chen, Jing ;Wang, Xiangshan ;Zhuang, Qiya ;Hu, Hongwen
- Publisher
- International Union of Crystallography
- Year
- 2003
- Tongue
- English
- Weight
- 119 KB
- Volume
- 59
- Category
- Article
- ISSN
- 1600-5368
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✦ Synopsis
Single-crystal X-ray study T = 296 K Mean '(C±C) = 0.002 A Ê R factor = 0.038 wR factor = 0.101 Data-to-parameter ratio = 12.9
For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
📜 SIMILAR VOLUMES
Single-crystal X-ray study T = 170 K Mean '(C±C) = 0.004 A Ê Disorder in main residue R factor = 0.047 wR factor = 0.139 Data-to-parameter ratio = 14.3 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
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.
The title compound, C 18 H 20 ClNO 2 , has been synthesized by the reaction of 4-chlorobenzaldehyde, Meldrum's acid, dimedone and CH 3 NH 3 Cl(NaOAc) in ethanol under microwave irradiation. The pyridone ring adopts a screw-boat conformation and the cyclohexenone ring an envelope conformation.