Page 76 - phytochemistry I - PharmD Clinical

- The dehydration process is sometimes used in the quantitative
determination of alcohols, as certain alcohols dehydrate quantitavely
under special conditions ex. 3ry alcohols such as linalool, terpineol.
1- Acyclic monoterpene alcohols:

Citronellol

- Source: Citronella oil (lemon grass). a
- Identification:

• Formation of esters (phthalate), citronellyl acid phthalate,
crystalline silver salt m. p. 125-l26°C.

- Oxidation to citronellal which forms semicarbazone (m.p. 82°C).
- Doesn’t form adduct with anhydrous CaCl2.

- Uses:
 Used in cosmetics, perfumes, soaps.
 It has antiseptic, bactericidal, deodorant and insecticide properties.

Citronella oil is used as a mosquito repellent in insect sprays, candles.

Source: trans- form
Oil of Geranium and oil of lemon.

۷٤