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ESTERS

ESTERS. Mo and Lana. RCOOR’. Structure of ester:. 4 th on priority list 1 st : Cations 2 nd : Carboxylic Acids 3 rd : Acid Anhydrides 4 th : Esters. Esters. RCOOR’. Esterification- How to make an ester. Carboxylic Acid. Alcohol. Ester. Water. Naming.

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ESTERS

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  1. ESTERS Mo and Lana RCOOR’

  2. Structure of ester: 4th on priority list 1st: Cations 2nd: Carboxylic Acids 3rd: Acid Anhydrides 4th: Esters Esters RCOOR’

  3. Esterification-How to make an ester Carboxylic Acid Alcohol Ester Water

  4. Naming • Esters have two parts to their names • Part 1: the group that came from the alcohol • Everything right of single bonded O, name as attached group (using yl and priority) • Part 2: the group that came from the carboxylic acid • Everything to the left of the O, drop e and add ---oate. • Note: Esters are drawn with the carboxylic acid first and then the alcohol but they are written with the alcohol first and carboxylic acid second

  5. Ethyl Ethanoate

  6. Practice- NAME THESE

  7. ANSWERS Ethyl nonanoate “Grape” Ethyl penanoate “Apple”

  8. Practice- DRAW THESE • Methyl penanoate • “Flowery” • Methyl benzoate • “Fruity”

  9. ANSWERS • Methyl penanoate • “Flowery” • Methyl benzoate • “Fruity”

  10. Artificial and natural flavors and smells Such as: -Fruits -Flowers -Candy Uses

  11. NoApplePie No Pecan Pie • Ingredients • 2 cups water • 1 ½ cups white sugar • 1 ½ teaspoons cream of tartar • 1 tablespoon butter • Cinnamon • Approx. 30 Ritz crackers • Pie shells • Ingredients • 9-in pre-made refrigerator crust • 1 1/2 cups sugar • 1 stick butter or margarine • 2 eggs • 1/2 cup coconut • 1/2 cup and 1 Tbsp mashed pinto beans • 1 tsp vanilla extract

  12. Cream of Tartar + Sugar + heat = Apple Ester!! Ritz Crackers look like cooked apples Pinto Beans = Pecan Pie Texture Sugar = Pecan Pie Flavor No Apple/ Pecan Pie Science

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