Which ether cannot be prepared via a Williamson ether synthesis? OA di-1-naphthyl ether OR 15-crown-5 Oc butyl phenyl ether OD di-meta-nitrobenzyl ether

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Chapter1: Chemical Foundations
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QUESTION 42
Which step is NOT an important one in the mechanism of Pd(PPH3)4 catalyzed coupling of 2-iodofuran with
tributylphenyltin?
OA Oxidative addition of Ph-lodofuran by Pd to form the 2-furyl-Pd-I complex.
O Reductive elimination of Ph-Pd-2-furyl complex to form 2-phenylfuran
OC Transmetalation to form Buz3Sn-l and the Ph-Pd-fur-2-yl complex
OD Addition of PPH3 to form the active catalyst
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Transcribed Image Text:QUESTION 42 Which step is NOT an important one in the mechanism of Pd(PPH3)4 catalyzed coupling of 2-iodofuran with tributylphenyltin? OA Oxidative addition of Ph-lodofuran by Pd to form the 2-furyl-Pd-I complex. O Reductive elimination of Ph-Pd-2-furyl complex to form 2-phenylfuran OC Transmetalation to form Buz3Sn-l and the Ph-Pd-fur-2-yl complex OD Addition of PPH3 to form the active catalyst Click Supe and Submit to sove and submit. Click Save All Ansuers to save all anwers Save All Aners
QUESTION 40
Which ether cannot be prepared via a Williamson ether synthesis?
OA di-1-naphthyl ether
OR 15-crown-5
Oc butyl phenyl ether
OD di-meta-nitrobenzyl ether
QUESTION 41
utlithlum to give the observed product.
Transcribed Image Text:QUESTION 40 Which ether cannot be prepared via a Williamson ether synthesis? OA di-1-naphthyl ether OR 15-crown-5 Oc butyl phenyl ether OD di-meta-nitrobenzyl ether QUESTION 41 utlithlum to give the observed product.
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