Electrophillic Aromatic Substitution
Agrarian Reaction with a Ketene: Thermostatically Part 1 Objective: The goal of this experiment is to learn to make Agrarian reagents. The reactions of the Agrarian reagents with stones form tertiary alcohols. These reagents are highly air- and moisture-sensitive materials. We will observe the formation of the Agrarian reagents, which magnesium metal is transformed into ergonomically salts.
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Experimental Procedure: Our experiment was as followed as in our text “Microscope Organic Laboratory’ by Mayo from pages 275-283. The following modifications were made: We performed the experiment through and including Isolation of Product. We followed the regular phenylalanine’s bromide preparation procedure, not the alternate procedure. In the isolation of product part, we did not transfer the dried ether solution to a Craig tube and instead transferred the dried ether solution into a tarred, screw-cap test tube.
But since I added too much iodine, my solution actually turned back into a brown color. When adding the phenomenon, it was pink for a second, then turned cloudy/brownish color. The solution then started to turn bubbly after adding he phenomenon When extracting the ether solution, the color was yellow on top, the ether part, and clear on the bottom. I extracted the top portion that was yellow and collected it into another vial.
After adding the cold water, the ether solution was the top portion and was yellow, and the bottom was clear (the water portion) When hydroplaning the magnesium alkaloid salt, we added MM HCI and continues to add the HCI until the litmus paper turned red (indicating that the aqueous phase was acidic) After adding the anhydrous granular sodium sulfate, there were clumps inside of the Erlenmeyer flask. Calculations: . Theoretical Yield of thermostatically Questions: 1 . Write a mechanism for the Agrarian reaction of phenomenon with phenylalanine’s bromide.
Be as complete as possible and show electron flow for all steps. 2. Explain the special role of ethereal solvents like ethyl ether in the formation of Agrarian reagents. Different Agrarian reactions. Identify two other electrophoresis (aside from phenomenon) that will react with Pamper to produce thermostatically. Include a balanced reaction scheme for each of your answers. 4. A) Under the same exact conditions of Experiment 16, reaction of 4-bronchiole, instead of brokenness, would NOT give the analogous 30 alcohol product.
Why? (HINT: why were special precautions taken to ensure anhydrous conditions when performing the Agrarian reaction? ) b) 4-Bronchiole would be converted to some product under these reaction conditions. Draw the product. Works Cited: 1. Mayo, D. W. ; Pike, R. M. ; Forbes, D. C. Microscope Organic Laboratory with Multiples and Multistage Syntheses, 5th deed. ; John Wiley & Sons, Inc. , 2011; up 368-373. 2. Modifications for Grained Reaction with a Ketene: Thermostatically Part 1 , Blackboard document. 3. Http://www. Chemicals. Com