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Abstract
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Rheum ribes, a perennial plant of polygonaceae family, is native to asia. It has been
growing in Europe since the 16th century chrysophanol and other anthraqinone derivative
were isolated from the root and areal parts of Rheum ribes. Chrysophanol and its derivatives
are active compounds as anti-inflammatory, anti-bacterial and anti-viral. In this study
triethylsilyl and tert-buthyldimethylsilyl derivative of chrysophanol were synthesized [1-2].
Alcohol readily reacts with compounds such as trimethylchlorosilane and base to
turnedmethylsilylether, and in contact with water become primary alcohol andsilanol.
Silicon derivatives synthesis was carried out as follows, Dry Tetrahydrofuran (THF) was
the solvent used in the synthesis and tri-ethyl amine (ET3N) as a bases. The reaction mixture
was refluxed for 24hours under argon gas at room temperature.The solvent was filtered and
evaporated under reduced pressure.
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