CyHN ch is worth 10 por intermediate #2 from intermediate #1 and for intermediate #3 going to the final product. A. Show the key species in the DCC amine-carboxylic acid coupling. Use proper reaction arrows to form amine OH + N-Cy Intermediate #1 - an adduct from DCC and the carboxylic acid (anhydride-like) - no involvement of he amine yet NHCy -NH₂ (DCC) Cy = cyclohexyl Intermediate #3 - from an internal transfer of protons in #2 that sets up the formation of the amide and the urea byproduct Intermediate #2 - the tetrab intermediate like in any n acyl substitution - add ar and do nothing else

CyHN ch is worth 10 por intermediate #2 from intermediate #1 and for intermediate #3 going to the final product. A. Show the key species in the DCC amine-carboxylic acid coupling. Use proper reaction arrows to form amine OH + N-Cy Intermediate #1 - an adduct from DCC and the carboxylic acid (anhydride-like) - no involvement of he amine yet NHCy -NH₂ (DCC) Cy = cyclohexyl Intermediate #3 - from an internal transfer of protons in #2 that sets up the formation of the amide and the urea byproduct Intermediate #2 - the tetrab intermediate like in any n acyl substitution - add ar and do nothing else

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Which precursor is used in the following reaction? How does HOAc Works in the reaction? do the whole mechanism of the reaction options: I. N-propyl-2-methylpropylamine II. N-methyl dipropylamine III. heptylamine IV. a quaternary ammonium salt
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2) Another method for the above reaction starts with 4-aminophenol hydrochloride (the conjugate acid of 4-aminophenol). The treatment of this the hydrochloride salt with sodium ethanoate (acetate) buffer produces 4-aminophenol which is then able to react with ethanoic anhydride as per our method. i. Why is 4-aminophenol hydrochloride not suitable for direct reaction with ethanoic anhydride? ii. Draw a mechanism (i.e. curly arrows) showing the deprotonation of 4-aminophenol hydrochloride by sodium ethanoate to form 4-aminophenol (the free base).
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Please provide a balanced equation for the reaction using structural formulas.
1. what precautions should one use when working with phenacetin 2. Calculate the theoretical yield in grams for the Williamson ether synthesis of phenacetin. Repeat the calculation for the amide synthesis of phenacetin. (The density of p-phenetidine is 1.065 g/mL.)
What reaction sequence will form dibenylamine from benzoic acid in high yield
Synthesis of Dilantin by Multi-Step Synthesis Part 4 - Ureabenzil Condensation Table of Reagents Molecular weight (g/mol) Mass (g) Volume (mL) density (g/mL) Amount (mmol) Reagent benzil 210.23 1.0 4.75 Sodium hydroxide (30% wv) 39.997 1.2 loo urea 0.432 7,19 - Limiting Reagent: Identify the limiting reagent (warning, some reagents may be catalysts, and can be used in sub- stoichiometric amounts, and not all reactions have 1:1 stoichiometric coefficients) Yield of Product: Calculate the % yield of product you obtained. Watch significant figures and SHOW YOUR WORKING. Overall yield of product based on benzaldehyde: Calculate the % yield of the product you obtained based on the starting material for this synthesis, benzaldehyde. Watch significant figures and SHOW YOUR WORKING.
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