Farediah, Ahmad and Hashim, Nur Athirah and Basar, Norazah and Awang, Khalijah and Seik, Weng Ng. (2011) (e)-3-[2h-1,3-benzodioxol -5-yl)-1-(7-hydroxy-5-methoxy-2,2-dimethylchroman-8-yl)prop-2-en-1-one. Acta Crystallographica Section E-Structure Reports Online, 67 (Pt9). O2301-U2336. ISSN 1600-5368
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Official URL: http://dx.doi.org/10.1107/S1600536811031321
Abstract
The reaction of 5,6-(2,2-dimethylchromane)-2-hydroxy-4-methoxyacetophenone and 3,4-methlenedioxybenzaldehyde affords the title chalcone derivative, C22H22O6. The two benzene rings are connected through a —C(=O)—CH=CH— (propenone) unit, which is in an E conformation; the ring with the hydroxy substitutent is aligned at 6.2 (1)° with respect to this unit, whereas the ring with the methylenedioxy substituent is aligned at 8.2 (1)°. The dihdral angle between the rings is 14.32 (7)°. The hydroxy group engages in an intramolecular hydrogen bond with the carbonyl O atom of the propenone unit, generating an S(5) ring.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | benzodioxol, dimethylchroman |
| Subjects: | R Medicine > RA Public aspects of medicine |
| Divisions: | Science |
| ID Code: | 44672 |
| Deposited By: | Haliza Zainal |
| Deposited On: | 21 Apr 2015 03:31 |
| Last Modified: | 31 Jan 2017 06:46 |
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