Chapter 20 October 31 - Be Careful: Alkynes absorb in this...

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1 Hydrolysis of Nitriles: General Reaction: Mechanism: Base Catalyzed
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2 Hydrolysis of Nitriles: Mechanism: Acid Catalyzed
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3 Reduction of Nitriles to Amines: General Reaction: Alkylation of Nitriles to Produce Ketones: General Reaction:
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4 Alkylation of Nitriles to Produce Ketones: Mechanism:
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5 Sample Synthesis Problem:
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6 Infrared Spectroscopy: Carboxylic Acid Alcohol Broad O­H absorption (carboxyl group) at ~2500­3300 cm ­1 Carbonyl absorption at ~1710­1760 cm ­1
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7 Infrared Spectroscopy: Nitrile
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Unformatted text preview: Be Careful: Alkynes absorb in this region as well. Check your molecular formula and look for additional clues when solving problems CN triple bond absorption at ~2250 cm­1 (saturated) ~2230 cm­1 (aromatic/conjugated) 8 Proton NMR Spectroscopy: Carbonyl group proton absorbs as a singlet near 12 δ This peak can be removed by the addition of D 2 O Remember: alcohols have this ability as well (proton exchange) 9 Sample Problem Molecular Formula:...
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This note was uploaded on 12/20/2011 for the course CHEM 234-54 taught by Professor Morrison during the Fall '09 term at University of Georgia Athens.

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Chapter 20 October 31 - Be Careful: Alkynes absorb in this...

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