QuestionOrganic / stereochemistry of E2
The major products [X] and [Y] formed in the following reactions are


- (a) [X] = alkene with Ph and Et cis (Ph, Me on one carbon; Et, Me on the other); [Y] = 1,3-dideuterio-cyclohexene (one D on the double bond, one allylic) and its enantiomer
- (b) [X] = alkene with Ph and Me cis (Ph, Me on one carbon; Me, Et on the other); [Y] = 3-deuteriocyclohexene and its enantiomer
- (c) [X] = alkene with Ph and Et cis; [Y] = 3-deuteriocyclohexene (allylic D) and its enantiomer
- (d) [X] = alkene with Ph and Me cis; [Y] = 1,3-dideuterio-cyclohexene (one D on the double bond, one allylic) and its enantiomer
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