Prep Of Eugenol Benzoate Fall 09

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yuan83

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But first, a friendly reminder: Wear them! It's the LAW

Preparation of Eugenol Benzoate eugenol benzoyl chloride eugenol benzoate Convert the eugenol present in clove oil to its benzoate ester: This procedure will be the synthesis of a derivative of the eugenol.

Experimental Procedure Step 1 – Acid/Base Reaction - Add 1 mL of water to the centrifuge tube and then add 1M NaOH , drop by drop , just until the oil dissolves. The solution may be cloudy, but no oil droplets should be visible. * If you do not have enough clove oil, get some from your TA. (Water soluble) + Other Compounds (Ether soluble) - Transfer 0.2 mL * of your clove oil into a clean, dry centrifuge tube.

[object Object],Experimental Procedure Discard in ether waste bottle KEEP IT!!!! 3 mL Aqueous layer ( KEEP IT! ) Ether layer Remove it!

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Experimental Procedure Ether layer Aqueous layer Discard!!!! Use pipet to remove KEEP IT!! ,[object Object],Step 3 – Extraction of Final Product

Experimental Procedure ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Calculate % recovery of eugenol and determine mp and % yield of eugenol benzoate. Your recovery calculation will require you to obtain the density. Submit your product in a sample vial as instructed by your TA. Remember!!! Step 4 – Recrystallization

Percent Yield ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

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Prep Of Eugenol Benzoate Fall 09

1. Preparation of Eugenol Benzoate

2. But first, a friendly reminder: Wear them! It's the LAW

3. Preparation of Eugenol Benzoate eugenol benzoyl chloride eugenol benzoate Convert the eugenol present in clove oil to its benzoate ester: This procedure will be the synthesis of a derivative of the eugenol.

4. + NaCl Reaction Mechanism

5. Experimental Procedure Step 1 – Acid/Base Reaction - Add 1 mL of water to the centrifuge tube and then add 1M NaOH , drop by drop , just until the oil dissolves. The solution may be cloudy, but no oil droplets should be visible. * If you do not have enough clove oil, get some from your TA. (Water soluble) + Other Compounds (Ether soluble) - Transfer 0.2 mL * of your clove oil into a clean, dry centrifuge tube.

Prep Of Eugenol Benzoate Fall 09

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