aspirin - Aspirin is an analgesic an antipyretic and an...

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Introduction: Salicigen is an extract of willow and poplar bark and has been used as a pain reliever for centuries. Salicigen is formed from a molecule of salicylic acid and a sugar molecule. However, salicylic acid attacks the mucous membranes of the mouth and esophagus which causes pain. Felix Hoffmann, a chemist for Friedrich Bayer, reasoned that the corrosive tendencies of salicylic acid could be altered by the addition of an acetyl group, and in 1893 the Bayer Company acquired a paten for acetylsalicylic acid. This product was called Aspirin.
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Unformatted text preview: Aspirin is an analgesic, an antipyretic, and an anti-inflammatory compound. Due to its anti-inflammatory capabilities, it has become the most widely effective treatment for arthritis. In this lab experiment, salicylic acid and acetic anhydride are used to synthesize acetylsalicylic acid, or aspirin. The mechanism for this reaction is shown below. Once the product is synthesized, an mass spectrometry analysis will be conducted and the percent yield will be calculated. Procedure and Data/Observations:...
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This note was uploaded on 03/18/2008 for the course CHEM 213 taught by Professor Masters,katherinelorenzo,peterbisch,amberwilcox,jenniferlchen,ying during the Spring '07 term at Penn State.

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