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Nasycone alkohole terpenowe - właściwości i zastosowania w syntezie cieczy jonowych

Świerczek U.

Technical Issues

2015

nr 4

39--46

Terpenes are a group of compounds having a characteristic skeleton composed of connected "head-to-tail" five-carbon isoprene units (C5H8). Their derivatives - terpenoids are more varied, including some alcohols, aldehydes, ketones and acids. In recent years, there has been an increasing interest in terpene alcohols as natural odorous compounds. Menthol, recognized as the aroma of mint, is the most popular. It exhibits an anesthetic and antiseptic activity, therefore it is widely used not only in the perfume industry, but also in cosmetic, pharmaceutical and food industry. The attractiveness of terpene alcohols makes more and more researchers use these compounds as substrates into organic synthesis. It is expected that the new compounds obtained in this way will exhibit undescribed so far interesting application properties. Ionic liquids containing (1R,2S,5R)-(−)-menthol and (1S)-endo-(−)-borneol as a component are an excellent example of this application. The presence of the optically active centers is significant, because thanks to it these terpene alcohols are a source of chirality and can be used in asymmetric synthesis.