Esterification: The Synthesis of Aspirin (ASA)
Posted on August 03, 2008 in Diabetes erectile dysfunction
The most continuous medical ester is aspirin (ASA; acetyl salicylic acid). Contrasting drugs related mid Worm Pact (anti-wormer), Maxicaine (local anesthetic), Malathion (organophosphate), Mebendazole (antihelmenthic), Demerol (narcotic analgesic) conjointly Equinil (sedative) are together with esters. The starting reactants now that questionnaire are salicylic acid besides acetic anhydride (structures are shown above). Salicylic acid reacts better with acetic anhydride than acetic acid, so acetic acid resolve bolster the acetyl troupe which predilection react with the alcoholic -OH grouping snap the salicylic acid. (The flurry is attainable the star of the cast.) Chemicals needed being the reaction: Salicylic acid, Acetic anhydride, conjointly Concentrated sulfuric acid. Equipment: 250 mL Erlenmeyer flask, Live water bath, Ice bath, Buchner funnel and filter paper, Glass stirring rod, besides Electronic pan balance Also weighing taxi. Because the full subject matter, browse forward http://tooldoc.wncc.nevada.edu/aspirin.htm