an alcohol and an alkyl halide to form an ether. williamson ether synthesis reaction lab report by Hanna Thomson, Organic Chemistry Laboratory I (CHEM 233), Copyright © 2020 StudeerSnel B.V., Keizersgracht 424, 1016 GC Amsterdam, KVK: 56829787, BTW: NL852321363B01, Williamson Ether Synthesis Preparation of Phenacetin from Acetaminophen, ● What is the difference between descriptive ethic and prescriptive ethics, Ed222Syllabusfinal 2 - READING ASSIGNMENTS FOR STUDENTS IN THE COLLEGE OF EDUCATION WHO ARE STUDYING, Lab 9 Preparation of Alcohols: Reduction of Fluorenone. Abstract. The use of 5% NaOH because it, helps to modify the organic compound and make it more water-soluble and therefore remove it, from the organic layer. Introducing Textbook Solutions. Williamson Ether Synthesis: Preparation of Phenacetin from Acetaminophen. The reason potassium carbonate is used is to be able to deprotonate the phenols hydrogen. After the creation acetaminophen, the. Add a stir bar, 560 mg of K 2CO 3 (ground if necessary), 6.0 mL of acetonitrile (CH 3CN), and lastly 0.56 mL of ethyl iodide. This preview shows page 1 - 3 out of 10 pages. In this lab, students were able to use Williamson ether synthesis, which follows the S N 2 mechanism to convert acetaminophen into phenacetin. A standard method used for this, task is an extraction. Get step-by-step explanations, verified by experts. This is, when an alcohol is combined with an alkyl halide. Williamson Ether Synthesis is a two-step process. View Lab Report - Lab 6 report from CHE 202 at SUNY Buffalo State College. Week 1 – Synthesis of Phenacetin, Williamson Ether Synthesis Reaction Set Up. The alcohol that was used was acetaminophen, the alkyl halide that was used Iodoethane and the ether that was formed was Phenacetin. Orgo lab Orgo lab Preview text Williamson Ether Synthesis: Preparation of Phenacetin from Acetaminophen Partners: Victor, Zahra April 12, 2016 Methods and Background The goal of this lab is to use the Williamson ether synthesis and prepare a phenacetin. Obtain 360 mg of acetaminophen and transfer into a dry 25-mL round-bottom flask (RBF). After the creation acetaminophen, the actual mass that was collected was 1.477g and the percent yield for the synthesis was 71.06%. Washing is also used as a step in the, recrystallization procedure to remove the impurity adhering to the crystal surface, Many extractions are based on acid-base chemistry. The literature and experimental melting point of the acetaminophen are within close range of each other. For phenacetin, the actual, mass collected 0.703g and the percent yield was 91.53% and the literature melting point is, 134.5ºC and the experimental melting point is between 134.5 to 135.5ºC. The literature and experimental melting point of the acetaminophen are within close range of, each other. Acetaminophen is reacted with potassium carbonate and iodoethane to prepare phenacetin via Williamson ether synthesis. Orgo lab Preview text Hanna Thomson Lab 10 Erica Tuesday 8am Williamson Ether Synthesis: Preparation of Phenacetin from Acetaminophen Methods and Background The purpose of this experiment was to prepare phenacetin by Williamson ether synthesis using acetaminophen and iodoethane as our starting materials, by deprotonation of the alcohol with a strong base potassium … Figure 1: Reaction that occurs between Acetaminophen, Iodoethane and Potassium Carbonate to. More concentrated solutions are rarely used for extraction because of the, increased evolution of heat during the extraction, and potential side reactions with the solvent. Course Hero is not sponsored or endorsed by any college or university. williamson ether synthesis lab alternative lab report, lab report 2 for orgo 2 Williamson ether synthesis, University of Illinois, Urbana Champaign • CHEM 233, University of Illinois, Chicago • CHEM 233, Lab 7 Williamson Ether Synthesis of Phenacetin.docx. For example, the literature melting point for the Acetaminophen is 169ºC to 171ºC, and the experimental melting point was between 169.4 to 170.6ºC. The washing and the extractions are responsible for 2 different parts of the, experiment. Phenacetin is prepared by taking Acetaminophen, which is an active ingredient in, Tylenol, and mix it with iodoethane in the presence of a base. The atom economy that, was calculated for the synthesis of phenacetin is 0.46289, and this value produced a reaction, In this lab, the main goal was to use the Williamson ether synthesis, this method. The, purpose of this experiment was to first convert the alcohol to an alkoxide and then carry out a, The percent yield of the synthesis of Phenacetin was 201.2% and, The synthesis of Phenacetin was carried out by a Williamson Ether Synthesis. The potassium carbonate was. The atom economy for, acetaminophen was 0.71563, and the reaction efficiency was 50.85%. Lawson 2 Abstract: The objective of the experiment was to synthesize acetaminophen and use it to synthesize phenacetin. With the theoretical and experimental yield obtained, the percent yield was calculated and found to be 36.36 %. One way to make ethers is to use, the Williamson Ether synthesis which is where an alcohol is deprotonated using a base, and a. primary alkyl halide is added to the reaction.
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