QuestionOrganic / hetarynes, Diels-Alder
The reactive intermediate and the major product formed in the following reaction is :
Lithium tetramethylpiperidide, LiTMP, is a strong non-nucleophilic base.
- (a) [X] = 3,4-pyridyne; [Y] = 9,10-epoxy-bridged 2-azaanthracene adduct (N not adjacent to ring fusion), bis-SiMe₃
- (b) [X] = 3,4-pyridyne; [Y] = 9,10-epoxy-bridged 1-azaanthracene adduct (N adjacent to ring fusion), bis-SiMe₃
- (c) [X] = 2,3-pyridyne; [Y] = 9,10-epoxy-bridged 2-azaanthracene adduct (N not adjacent to ring fusion), bis-SiMe₃
- (d) [X] = 2,3-pyridyne; [Y] = 9,10-epoxy-bridged 1-azaanthracene adduct (N adjacent to ring fusion), bis-SiMe₃
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