Question 3. 6 marks total. a) An E2 reaction will occur when the beta hydrogen and the leaving group are anti-coplanar.

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Question 3 6 Marks Total A An E2 Reaction Will Occur When The Beta Hydrogen And The Leaving Group Are Anti Coplanar 1 (30.7 KiB) Viewed 12 times

Question 3. 6 marks total. a) An E2 reaction will occur when the beta hydrogen and the leaving group are anti-coplanar. In the following reaction only one tetrasubstituted alkene is produced. Complete the wedge and dash drawing (structure B) and draw the tetrasubstituted final product (structure C). 1 mark for correctly adding groups to the middle diagram. 1 mark for correct alkene. CH3 CH3 CH₂ONa * X-X Br CH3OH Br CH₂0 complete by adding substituents with correct stereochemistry complete by adding substituents with correct stereochemistry