| name |
structure |
comment |
uses |
| thymol |
|
*from thumus vulgaris
*not give col e fecl3 due to isopropyl gp *dissolving thymol in H2so4 give violet due to thymol disulfonate ,and with Hno3
/H2so4 give bluish green *give riemer timann reaction e CHCl3& NaoH =reddish
violet color due to diald. *to separate from menthol add NaoH give phenate (thymol +ve =pale red) |
1-antiseptic 2- antifungal (thymol/alc used # tania) 3-immunostimulent 4- in cough mixtures |
| carvacrol |
|
*oxidise to thymoquine (which is hepatoprotective) by KMNO$ or K2CrO4 or manganase dioxide give yellow plates
(unlike thymol not oxidized ) *give green e fecl3
(unlike thymol) |
thymoquine is hepatoprotective |
| Eugenol (in clove and cinnamon oil) |
2 forms eugenol and isoeu. |
*blue e fecl3 *by oxdn it
converts into vanillin
(ald) *it is mix of phenols and ph.ethers *addn of NaoH and heat to eugenol (allyl ) give
isoeugenol *on addn of KoH to eugenol give K-eugenate w is needle
shaped crystals |
1-local anaethetic 2-good substrate for vanillin |
| Anethole (anise oil) |
contain isoallyl gp |
*by oxdn it convert
to Anethaldhyde ,and by condes. Of 2 molecules of ald it gives photoanethol which has estrogenic
acticity |
estrogenic acticity |
| -Asarone |
|
*obtained from mexican drug called Guatteria guameri |
hypocholesterolemic |
| safrole (oil of sassafras) |
contain methylene dioxy |
*by oxdn it convers
to Heliotropin which :
uses |
1-antiseptic 2-urinary tract infection |
| Myristicin (nutmeg) |
|
*isomyristicin in mace and myristicin in
nutmeg ,, myrist give isomyris after heating e KoH |
1-cns stimulent 2- on large doses =halucination |
| Apiole (parsely camphor) |
methylene dioxy e 2 methoxy |
|
1- remove kidney stones |
| Dillapiole |
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