Answered: 1. Write chemical equations for the…

1. Write chemical equations for the preparation of the following compounds from either diethyl malonate or ethyl acetoacetate: a) -CH2CH2CO₂H b) CH2CH2CCH3 c) HO₂CCH2CHCO₂H d) CH3 H3C CH2CO₂H

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter23: Carbon: Not Just Another Element

Section23.3: Alcohols, Ethers, And Amines

Problem 4RC

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Question

1. Write chemical equations for the preparation of the following compounds from either
diethyl malonate or ethyl acetoacetate:
a)
-CH2CH2CO₂H
b)
CH2CH2CCH3
c) HO₂CCH2CHCO₂H
d)
CH3
H3C
CH2CO₂H

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Ethyl butyrate, CH3CH2CH2CO2CH2CH3, is an artificial fruit flavor commonly used in the food industry for such flavors as orange and pineapple. Its fragrance and taste are often associated with fresh orange juice, and thus it is most commonly used as orange flavoring.It can be produced by the reaction of butanoic acid with ethanol in the presence of an acid catalyst (H+): CH3CH2CH2CO2H(l)+CH2CH3OH(l)H+⟶CH3CH2CH2CO2CH2CH3(l)+H2O(l). The chemist discovers a more efficient catalyst that can produce ethyl butyrate with a 78.0% yield. How many grams would be produced from 8.50 gof butanoic acid and excess ethanol? Express your answer in grams to three significant figures.
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