In the reactions below, there is a main reaction step followed by one or more workup steps (which aced). Briefly explain the purpose of the bold-faced workup step in both cases, based on your e carrying out this reaction (or a similar reaction) in the lab. (MTBE= methyl tert-butyl ether) но excess CH;CO,H co,H 2. Н,о, heat co,H By means of an equation explain briefly what the purpose of step 2 in the work-up (shown in bold- face) was in the synthesis of aspirin. он 1. NaOCI (bleach) CH,CN/CH,CO,H 2. extract with MTBE b) H3CO" H3CO 3. Wash the MTBE extract with aq. K,Co, 4. Wash the MTBE layer with sat. NaCl soln. 5. dry over MgSO4, and rotovap MTBE Explain what the purpose of Step 3 (shown in bold-face) was in the work-up.

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Chapter1: Chemical Foundations
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In the reactions below, there is a main reaction step followed by one or more workup steps (which
aced). Briefly explain the purpose of the bold-faced workup step in both cases, based on your
e carrying out this reaction (or a similar reaction) in the lab. (MTBE= methyl tert-butyl ether)
но
excess
CH;CO,H
CO,H
2. H20, heat
co,H
By means of an equation explain briefly what the purpose of step 2 in the work-up (shown in bold-
face) was in the synthesis of aspirin.
он
1. NaOCI (bleach)
CH,CN/CH;CO2H
2. extract with MTBE
H3CO"
H,CO
b)
3. Wash the MTBE extract with
aq. K,Co,
4. Wash the MTBE layer with sat. NaCl soln.
5. dry over MgSO4, and rotovap MTBE
Explain what the purpose of Step 3 (shown in bold-face) was in the work-up.
Transcribed Image Text:In the reactions below, there is a main reaction step followed by one or more workup steps (which aced). Briefly explain the purpose of the bold-faced workup step in both cases, based on your e carrying out this reaction (or a similar reaction) in the lab. (MTBE= methyl tert-butyl ether) но excess CH;CO,H CO,H 2. H20, heat co,H By means of an equation explain briefly what the purpose of step 2 in the work-up (shown in bold- face) was in the synthesis of aspirin. он 1. NaOCI (bleach) CH,CN/CH;CO2H 2. extract with MTBE H3CO" H,CO b) 3. Wash the MTBE extract with aq. K,Co, 4. Wash the MTBE layer with sat. NaCl soln. 5. dry over MgSO4, and rotovap MTBE Explain what the purpose of Step 3 (shown in bold-face) was in the work-up.
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