試題詳解

75. Deduce the identity of the compound from the data provided. C₈H₁₃Br, ¹ H NMR δ(splitting, integral): 3.5 (t, 2H), 1.8 (t, 2H), 0.9 (s, 9H); ¹³C NMR: 6 signals.
(A) 5-bromo-2,2-dimethylhex-3-yne
(B) 6-bromo-4,4-dimethylhex-1-yne
(C) 3-bromo-1,2-dimethylcyclohexene
(D) 4-bromo-1,2,4-trimethylcyclopentene
(E) 1-bromo-5,5-dimethylhex-3-yne CO2Me H H O O CH3SOCH2 - Na+ DMSO