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Związki naturalne z układem gem-dimetylocykloheksanu

Grabarczyk M.

Wiadomości Chemiczne

2004

[Z] 58, 7-8

613--635

Many natural terpenoids include in their structure a gem-dimethylcyclohexane ring. Such compounds are often isolated from plants or animals, where they fulfil different functions. Compounds a with gem-dimethylcycloxehane ring have been found in many marine algaes molluscs. These compounds show different biological properties, for example antibiotic [10, 66, 67, 79], cytotoxic [15, 16], fungicidal [17], inhibiting HIV [11]. Similar properties are also found in compounds isolated from plants growing in different places on Earth, plants which for many years have been known and used in tradicional medicine as antidote against different diseases [24-27, 36-46, 72-74]. These discoveries are very important for people searching for new and effective medicines against old and new diseases. For example some compounds with a gem-dimethylcyclohexane ring show an inhibitory effect on not yet curable cancers [50-57, 81]. The compounds with a gem-dimethylcyclohexane ring which occur in plants or animals have an affect not only on humans, but also on other plants or animals. Such affect can be observed in both marine and terrestial organisms [59-61, 71]. In our times very safe and effective crop protection is a very important problem. Because of this people try to find natural compounds which can produce desirable biological effects. Compounds with a gem-dimethylcycloxehane ring found in some plants can act as natural herbicides [22, 23]. Some of these compounds can also work as deterrents against insect pests. These deterrents affect the insects' sense of taste and prevent them from eating, which finally makes them die despite the abundance of food [28-33].