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20 Nov 2019
Normall, the reactants in a Diels-Alder reaction are used in a1:1 ratio. In this experiment, one reagent is used in excess. Whichreagent is in excess, and why is it important that so much of it beused.
The reaction to obtain butadiene is 2.29g 3-sulfolene + heat =1,3 butadiene + SO2 (we assume all of the 3-sulfolene goes intosynthesizing 1,3 butadiene)
Then the diels- alder reaction is:
1,3 butadiene+1.22g maleicanhydride=cis-1,2,3,6-tetrahydropthalic anhydride
Normall, the reactants in a Diels-Alder reaction are used in a1:1 ratio. In this experiment, one reagent is used in excess. Whichreagent is in excess, and why is it important that so much of it beused.
The reaction to obtain butadiene is 2.29g 3-sulfolene + heat =1,3 butadiene + SO2 (we assume all of the 3-sulfolene goes intosynthesizing 1,3 butadiene)
Then the diels- alder reaction is:
1,3 butadiene+1.22g maleicanhydride=cis-1,2,3,6-tetrahydropthalic anhydride
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Reid WolffLv2
6 Mar 2019
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