𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Redetermination of 7-hydroxy-4-methyl-2H-1-benzopyran-2-one

✍ Scribed by Yang, Shu-Ping ;Han, Li-Jun ;Wang, Da-Qi ;Xia, Hai-Tao

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

No coin nor oath required. For personal study only.

📜 SIMILAR VOLUMES

4-Methyl-7-phenyl­sulfonamido-2H-1-benzo
4-Methyl-7-phenyl­sulfonamido-2H-1-benzopyran-2-one
✍ Yang, Shu-Ping ;Han, Li-Jun ;Wang, Da-Qi 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 490 KB

Single-crystal X-ray study T = 298 K Mean (C-C) = 0.005 A R factor = 0.045 wR factor = 0.124 Data-to-parameter ratio = 12.5 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.

7-Hydroxy-4-methyl-2H-chromen-2-one mono
7-Hydroxy-4-methyl-2H-chromen-2-one monohydrate
✍ Butcher, Ray J. ;Jasinski, Jerry P. ;Yathirajan, H. S. ;Narayana, B. ;Samshad, 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 960 KB
5-Hydr­oxy-7-meth­oxy-2-(4-methoxy­phen­
5-Hydr­oxy-7-meth­oxy-2-(4-methoxy­phen­yl)-4H-1-benzopyran-4-one
✍ Teh, Jeannie Bee-Jan ;Fun, Hoong-Kun ;Razak, Ibrahim Abdul ;Chantrapromma, Sucha 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 300 KB

The title compound, C 17 H 14 O 5 , a flavone, was isolated from the rhizomes of Kaempferia parviflora. The benzopyran-4-one ring system and the methoxyphenyl substituent are approximately coplanar. The molecules are linked via intermolecular C-HÁ Á ÁO hydrogen bonds to form chains.