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Ester hydrolysis

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ion and an alcohol. Water is often used as a solvent, but the presence of water is not necessary; alcohols may also be used as solvents, with dissolved hydroxide ion performing hydrolysis.
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Rosini, Goffredo; Confalonieri, Giovanni; Marotta, Emanuela; Rama, Franco; Righi, Paolo (1997). "PREPARATION OF BICYCLOHEPT-3-EN-6-ONES: 1,4-DIMETHYLBICYCLOHEPT-3-EN-6-ONE".
64:. Acid is only required in catalytic amounts, as in Fischer esterification, and an excess of water drives the equilibrium towards carboxylic acid and alcohol. 85:
is required in stochiometric amounts. Unlike acid-catalyzed ester hydrolysis, it is not an equilibrium reaction and proceeds to completion.
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ion attacks the carbonyl carbon to give a tetrahedral intermediate, which then expels an
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ion. The resulting carboxylic acid quickly protonates the alkoxide ion to give a
35: 73: 222: 175: 197:(4th ed.). Pacific Grove, CA: Brooks/Cole Publishing Company. pp.  94: 39: 60:
The mechanism of acid-catalyzed hydrolysis of esters is the reverse of
27: 46:. It can be performed with acid as catalyst, or with base as reagent. 105: 86: 90: 163: 31: 81:
of esters is also known as saponification. A base such as
190: 220: 67: 49: 134: 132: 100:In this example of alkaline hydrolysis of 129: 112:experiment to investigate the mechanism: 138: 188: 143:(8th ed.). Pearson. p. 1010. 221: 182: 56:Hydrolysis ยง Acidic hydrolysis 13: 14: 240: 115: 157: 1: 122: 68:Alkaline hydrolysis of esters 104:, the asterisk indicates an 7: 50:Acidic hydrolysis of esters 10: 245: 71: 53: 176:10.15227/orgsyn.074.0158 139:Wade Jr., L. G. (2012). 189:McMurry, John (1996). 62:Fischer esterification 229:Reactions of esters 79:Alkaline hydrolysis 193:Organic Chemistry 167:Organic Syntheses 141:Organic Chemistry 236: 213: 212: 196: 186: 180: 179: 161: 155: 154: 136: 119: 110:isotope labeling 102:ethyl propionate 83:sodium hydroxide 24:organic reaction 20:Ester hydrolysis 16:Organic reaction 244: 243: 239: 238: 237: 235: 234: 233: 219: 218: 217: 216: 209: 187: 183: 162: 158: 151: 137: 130: 125: 76: 70: 58: 52: 36:carboxylic acid 17: 12: 11: 5: 242: 232: 231: 215: 214: 207: 181: 156: 150:978-0321768414 149: 127: 126: 124: 121: 74:Saponification 72:Main article: 69: 66: 51: 48: 15: 9: 6: 4: 3: 2: 241: 230: 227: 226: 224: 210: 204: 200: 195: 194: 185: 177: 173: 169: 168: 160: 152: 146: 142: 135: 133: 128: 120: 118: 113: 111: 107: 103: 98: 96: 92: 88: 84: 80: 75: 65: 63: 57: 47: 45: 41: 37: 33: 29: 25: 21: 192: 184: 165: 159: 140: 114: 99: 77: 59: 19: 18: 170:(47): 158. 108:atom in an 95:carboxylate 40:carboxylate 208:0534238327 123:References 54:See also: 28:hydrolyzes 106:oxygen-18 87:Hydroxide 42:, and an 223:Category 91:alkoxide 199:820โ€“821 44:alcohol 205:  147:  26:which 22:is an 34:to a 32:ester 203:ISBN 145:ISBN 172:doi 38:or 30:an 225:: 201:. 131:^ 211:. 178:. 174:: 153:.

Index

organic reaction
hydrolyzes
ester
carboxylic acid
carboxylate
alcohol
Hydrolysis ยง Acidic hydrolysis
Fischer esterification
Saponification
Alkaline hydrolysis
sodium hydroxide
Hydroxide
alkoxide
carboxylate
ethyl propionate
oxygen-18
isotope labeling
Reacting isotopically labeled ethyl propionate with sodium hydroxide proves the proposed mechanism for nucleophilic acyl substitution.


ISBN
978-0321768414
Organic Syntheses
doi
10.15227/orgsyn.074.0158
Organic Chemistry
820โ€“821
ISBN
0534238327
Category

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