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aspirin - antipyretic White crystals or white crystalline...

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Aspirin Synthesis Organic Chemistry 231L Fall 2005
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Main Reaction
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Mechanism
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Side Reactions & By-Products polyester polymer represented as
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compound grams molar mass moles mole ratio mp bp miscellaneous reactant T A C 7 H 6 O 3 138.1 1 159 C 211 C 20 mm Hg moisture sensitive; light sensitive C 4 H 6 O 3 102.1 1 -73 C 140 C colorless liquid with a characteristic sharp odor. lachrymator/moist ure sensitive H 3 PO 4 98 catalyst 21 260 hygroscopic. solvent H 2 O product C 9 H 8 O 4                                        180.2 1 135 C 140 C Analgesic, anti - inflammatory and
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Unformatted text preview: antipyretic. White crystals or white crystalline powder Data Table Flow Chart Scheme for Purification IR HNMR CNMR MS Final Recrystallization of Crude Aspirin crude aspirin Infrared Spectroscopy ester C=O acid C=O ester C–O acid C=O phenol O–H CNMR Spectroscopy ester C=O δ 169.76 acid C=O δ 170.20 ester CH3 δ 20.99 HNMR Spectroscopy ester CH3 δ 2.352 acid H δ 11 Mass Spectrometry Theoretical Yield References Acknowledgements...
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