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4-Butyl-2-phenyl-2-(trimethyl­silyl­oxy)-3,4-dihydro-2H,5H-pyrano[3,2-c][1]benzopyran-5-one

✍ Scribed by Peng, Da-Quan

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

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📜 SIMILAR VOLUMES

2-Methyl-4-phenyl-2-(trimethyl­silyl­oxy
2-Methyl-4-phenyl-2-(trimethyl­silyl­oxy)-3,4-dihydro-2H-naphtho[2,3-b]pyran-5,10-dione
✍ Peng, Da-Quan 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 160 KB

In the title compound, C 23 H 24 O 4 Si, the naphthalene ring system is essentially planar. The conformation of the dihydropyran ring is very similar to a half-chair form. There are intermolecular C-HÁ Á ÁO interactions andstacking interactions in the crystal structure.

5-Hydr­oxy-3,7-dimeth­oxy-2-phenyl-4H-1-
5-Hydr­oxy-3,7-dimeth­oxy-2-phenyl-4H-1-benzopyran-4-one
✍ Fun, Hoong-Kun ;Razak, Ibrahim Abdul ;Boonnak, Nawong ;Laphookhieo, Surat ;Chant 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 199 KB

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