Grignard Reaction Spring 09

Grignard Reaction: Preparation of Triphenylmethanol

Background ,[object Object],[object Object],[object Object],[object Object],[object Object]

Background ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Experimental Techniques ,[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],- +

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Remove the magnesium oxide from magnesium metal surface using mortar and pestle.

[object Object],[object Object],[object Object],[object Object],[object Object],Remove the heat source when you open the reflux set up to the air. Do not use the hot plate!!! Drying columns are to be placed at the opening of the addition funnel and the condensor

[object Object],100 mL RB flask containing 2 grams magnesium metal A water-cooled condenser keeps ether (Et 2 O) vapors from escaping ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],Monitor the 40 ºC warm water bath to avoid overheating the system.

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],RMgX ,[object Object],[object Object],[object Object],[object Object],[object Object],3. Quenching:

[object Object],[object Object],[object Object],[object Object],Aqueous layer- Discard ,[object Object],[object Object],[object Object],[object Object],[object Object],Might see fine layer between top and bottom phases so it should be removed through stopcock (may be metal bits) 4. Work-up of the Reaction:

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Grading is 50% for write up and 50% for results. 5. Characterization of Your Product:

Grignard Reaction Spring 09

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Grignard Reaction Spring 09