Citation: Malek Taher Maghsoodlou, Sayyed Mostafa Habibi-Khorassani, Zahra Shahkarami, Nariman Maleki, Mohsen Rostamizadeh. An efficient synthesis of 2,2'-arylmethylene bis (3-hydroxy-5,5-dimethyl-2-cyclohexene-1-one) and 1,8-dioxooctahydroxanthenes using ZnO and ZnO-acetyl chloride[J]. Chinese Chemical Letters, ;2010, 21(6): 686-689. doi: 10.1016/j.cclet.2010.02.005 shu

An efficient synthesis of 2,2'-arylmethylene bis (3-hydroxy-5,5-dimethyl-2-cyclohexene-1-one) and 1,8-dioxooctahydroxanthenes using ZnO and ZnO-acetyl chloride

Department of Chemistry, The University of Sistan and Baluchestan, P. O. Box 98135-674, Zahedan, Iran

Received Date: 21 October 2009

Fund Project: We gratefully acknowledge financial support from the Research Council of University of Sistan and Baluchestan, Iran.

2,2'-Arylmethylene bis (3-hydroxy-5,5-dimethyl-2-cycIohexene-l-one) 41-s produced from reaction between dimedone with various aldehydes in acetonitrile using ZnO as a catalyst; whereas in the presence of ZnO-acetyl chloride catalysts the reaction is limited to give only 1,8-dioxo-octahydroxanthenes 3a-k in very good yields.
- ZnO,
- ZnO-acetyl chloride,
- Dimedone,
- Aldehyde,
- 1,8-Dioxooctahydroxanthene,
- 2,2'-Arylmethylene bis (3-hydroxy-5,5-dimethyl-2-cyclohexene-1-one)
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