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10,12,12-Tris(3,3-dimethylallyl)-6,7-dihydroxy-2,2,9-trimethyl-1H-pyrano[2,3-b]anthracen-5(12H)-one

✍ Scribed by Kouam, Simeon F. ;Ngadjui, Bonaventure T. ;Choudhary, M. Iqbal ;Atta-ur-Rahman, ;Anjum, Shazia ;Ali, Shamsher

Publisher: International Union of Crystallography
Year: 2005
Tongue: English
Weight: 337 KB
Volume: 61
Category: Article
ISSN: 1600-5368
DOI: 10.1107/s1600536805031223

No coin nor oath required. For personal study only.

✦ Synopsis

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.

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10,12,12-Tris(3,3-dimethyl­allyl)-6,7-dihydr­oxy-2,2,9-trimethyl-1H-pyrano[2,3-b]anthracen-5(12H)-one

✦ Synopsis

10,12,12-Tris(3,3-dimethylallyl)-6,7-dihydroxy-2,2,9-trimethyl-1H-pyrano[2,3-b]anthracen-5(12H)-one