Curcumenol from Curcuma zedoaria: A second monoclinic modification

Hamdi, O.A.A. and Awang, K. and Hadi, A.H.A. and Syamsir, D.R. and Ng, S.W. (2010) Curcumenol from Curcuma zedoaria: A second monoclinic modification. Acta Crystallographica Section E: Structure Reports Online, 66 (11). O2844-U439. ISSN 1600-5368,

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The title compound, systematic name 9-isopropylidene-2,6dimethyl-11-oxatricyclo[,5)] undec-6-en-8-ol, (CHO2)-H-15-O-22, which crystallizes with two molecules of similar conformation in the asymmetric unit, features three fused rings, two of which are five-membered and the third six-membered. Of the two five-membered rings, the one with an O atom has a distinct envelope shape(with the O atom representing the flap). The six-membered ring is also envelope-shaped as it shares a common O atom with the five-membered ring. In the crystal, the two independent molecules are linked by a pair of O-H center dot center dot center dot O hydrogen bonds, generating a dimer.

Item Type: Article
Subjects: Q Science > Q Science (General)
Depositing User: Mr Faizal 2
Date Deposited: 14 Jan 2015 02:01
Last Modified: 31 Jan 2019 04:19

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