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Draw the product AND mechanism for the esterification reaction of acetic anhydride and 1-octanol (assuming there is acid catalyst present).
Draw the product AND mechanism for the esterification reaction of acetic anhydride and 1-octanol (assuming there...
In the mechanism for formation of acetylsalicylic acid via reaction of salicylic acid with acetic anhydride, phosphoric acid acts as a catalyst by O cleaving an acetyl group from acetic anhydride via protonation of the bridging oxygen O neutralizing the hydroxide ion side product protonating the carbonyl oxygen in the acetic anhydride protonating the phenolic oxygen of salicylic acid Question 10 (3 points) What would be the predicted major product from the thermodynamically controlled dehydration of the following material OH
Show the mechanism of the acid catalyzed reaction of an alcohol with acetic anhydride, indicating the involvement of the strong acid catalyst in the reaction. H2SO4 (cat.) R'OH ROR ROH ROD +
H3PO4 OH + OH OH salicylic acid acetic anhydride acetic acid acetylsalicylic acid (aspirin) 1. Why is it better to perform acetylation with acetic anhydride rather than using a Fischer esterification with acetic acid? 2. Draw a complete arrow-pushing mechanism for the reaction. 3. When an old sample of aspirin is left in moist conditions, it will begin to smell like vinegar. Draw a reaction scheme and briefly explain what happened.
Draw a mechanism for an esterification reaction between phthalic anhydride and ethylene glycol under acidic conditions. (I need help seeing how this reaction would occur with a molecule such as phthalic anhydride, thanks!)
What is the percent yield for the following Fischer Esterification... Starting Material: 3 ml of acetic anhydride and 2 ml of 1-octanol (1 drop of sulfuric acid is also added as a catalyst) End Material: 2.00g Please include all the steps for how to find the the theoretical yield and then the percent yield. Thank you!
Does anyone know the full mechanism of acid-catalyzed esterification of vanillin when it react with acetic anhydride under acidic condition yielding the product below?
Aspirin was prepared from salicylic acid by ...... O esterification of the acetic anhydride O esterification of the concentrated sulfuric acid O acetylation of concentrated sulfuric acid O esterification of the carboxylic group O acetylation of the phenolic group
The esterification reaction is a five-step reaction. Draw the curly arrow mechanism for the first two steps of this reaction. The steps of the reaction are listed below: Step 1: Acetic acid is protonated by H2SO4. Step 2: The hydroxyl group of the alcohol attacks acetic acid. Step 3: Tautomerism (will be explained in class next semester). Step 4: Water is a good leaving group Step 5: 5% sodium bicarbonate deprotonates the ester to yield the final product.
Draw a synthesis of phenacetin that employs acetic anhydride, with mechanism.
a) Draw the mechanism (including electron-movement arrows) of the acid-catalyzed esterification + H2O Sulfuric Acetic acid Isoamyl alcohol acid isoamyl acetatewater (concn.) (glacial)