Lecture 22 Finish Esters and Amides plus Nitriles

Lecture 22 Finish Esters and Amides plus Nitriles - Easy...

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+ H 2 O ? O OH H H O H O H Draw a Mechanism and Predict the Product Exam Scores should be available Monday afternoon or Tuesday “Easy” Esters: Lactones + H 2 O ? O OH H H O H O H Draw a Mechanism and Predict the Product O OH HO OH OH O O O O O O A B C D E “Easy” Esters: Lactones H O OH H H O O H H O O O H O H O H O H H H + O H + O H O O (catalytic) -H 2 O O H H-O O O OH O O H O O O H O H O H H + O O 1mole Direct reaction of acid with amines N O O H H 2 N O H A Draw a Mechanism and N H B Predict the Product O O lots N H C of heat O O H N H 3 N D O NH O O Cl 2 Cl N H H N H H NH 2 Amides are easily made from acid chlorides O N H + N H H H Cl Use two moles of amine. One to make amide. One to react with HCl. Or you can add some other base. O NH O O OCH 3 2 OCH 3 N H H N H H Amides are easily made from esters H 3 C O O N H + H 3 C O H Only one mole of amine needed
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The “Modern Way” Use Dicylohexylcarbodiimide O O H C 6 H 11 H 2 N C N C 6 H 11 O X C N N DCC N C 6 H 11 O H C 6 H 11 Draw the structure of X C N C
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This note was uploaded on 10/18/2010 for the course CHE 326 taught by Professor Fowler during the Fall '08 term at SUNY Stony Brook.

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Lecture 22 Finish Esters and Amides plus Nitriles - Easy...

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