Hydrolysis of Esters... Hydrolysis ® REVERSE of esterification ® Broken down by reaction with water.
Trang 1Revision of Formation of Esters
® Formed from:-
® Carboxylic Acid
`
Trang 2O
|
CH.—C—OH
Ethanoic Acid
Trang 3Revision of Formation of Esters
® Formed from:-
® Carboxylic Acid
® Alcohol
Trang 4O
|
CH.—C—OH + HO—CH,CH,
Ethanoic Acid Ethanol
O
|
CH,—C—O—CH,CH, + H,O
Ethyl Ethanoate Water
Trang 5Hydrolysis of Esters
Trang 6Hydrolysis
® REVERSE of esterification
® Broken down by reaction with water
Trang 7O
|
CH,— C—O—CH,CH, + H,O
Ethyl Ethanoate Water
Trang 8Hydrolysis
® REVERSE of esterification
® Broken down by reaction with water
© Forms:-
® Carboxylic Acid
IN
>
Trang 9O
|
CH„—C—O—CH,CH, + H,O
Ethyl Ethanoate
O
|
CH.—C—OH
Ethanoic Acid
Water
Trang 10Hydrolysis
® REVERSE of esterification
® Broken down by reaction with water
® Forms:-
® Carboxylic Acid
® Alcohol
~~
a
Trang 11O
|
CH,— C—O—CH,CH, + H,O
Ethyl Ethanoate Water
O
|
CH,— C—OH + HO—CH,CH,
Ethanoic Acid Ethanol
Trang 13Hydrolysis
® REVERSE of esterification
® Broken down by reaction with water
® Forms:-
® Alcohol
® Carboxylic Acid
x ili acid catalyst
¬
Trang 14O
|
CH,— C—O—CH,CH, + H,O
Ethyl Ethanoate Water
+ *
i
CH,— C—OH + HO—CH,CH,
Ethanoic Acid Ethanol
Trang 15Saponification
® Hydrolysis with an alkall
® Forms:-
® Alcohol
Trang 16O
|
CH.—C—O—CH,CH.,+ ` :OH
Ethyl Ethanoate Sodium Hydroxide
CH,CH,—OH
Ethanol
Trang 17Saponification
® Hydrolysis with an alkall
® Forms:-
® Alcohol
® Carboxylate Salt
® NOT Carboxylic Acid
Trang 18O
|
CH.—C—O—CH,CH.,+ ` :OH
Ethyl Ethanoate Sodium Hydroxide
Sodium lon
CH,CH,—OH + Na° “O—CH,CH,
Ethanol Ethanoate lon
Trang 20Saponification
® Hydrolysis with an alkall
® Forms:-
® Alcohol
® Carboxylate Salt
® NOT Carboxylic Acid
~ © Goes to completion
NS