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5,9,10-Trihydr­oxy-2,2-dimeth­yl-12-(3-methyl­but-2-en­yl)-2H,6H-pyrano[3,2-b]xanthen-6-one methanol solvate

✍ Scribed by Chantrapromma, Suchada ;Boonnak, Nawong ;Fun, Hoong-Kun ;Anjum, Shazia ;Atta-ur-Rahman,


Publisher
International Union of Crystallography
Year
2005
Tongue
English
Weight
413 KB
Volume
61
Category
Article
ISSN
1600-5368

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10,12,12-Tris(3,3-dimethyl­allyl)-6,7-di
✍ Kouam, Simeon F. ;Ngadjui, Bonaventure T. ;Choudhary, M. Iqbal ;Atta-ur-Rahman, 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 337 KB

In the title compound, C 35 H 42 O 4 , the chromene ring is in a distorted half-chair conformation and the cyclohexadienone ring adopts a screw-boat conformation. Intramolecular O-HÁ Á ÁO hydrogen bonds involving the carbonyl and hydroxyl groups are observed.