Page 203 - PG 504-theoretical notes-phyto-1-2024-2025..

Clinical pharmacy PharmD program Third level Phytochemistry-1 (PG-504)

• Highly coloured.

• Pseudoaromatic.

• Preparation: Prepared by formation of complex with H2SO4 or H3PO4 decomposed
by addition of H2O.

e.g. Chamazulene
• Chamazulene is either 4-methyl-1,7-diethyl or 1-methyl-4, 7-diethyl azulene)

• Occurrence: Oil of chamomile.
• Properties:
Chamazulene is blue in colour, so it is responsible for the blue colour of oil of chamomile.

3 4
10 5

2
6
1 9
8 7
Guaiazulene Azulene
Chamazulene
D-Tricycilic sesquiterpene: e.g a-Santalene

Occurrence: Oil of Sandalwood

Preparation: by fractional distillation

Uses: Genito-urinary disinfectant

-Santalene

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