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A Compound X with the Formula C4H10O2 Has the NMR δ\delta

Question 23

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A compound X with the formula C4H10O2 has the NMR spectrum shown. The integrals are given over their respective resonances, and the J values are coupling constants. Deduce the structure of compound X and explain how you came to this conclusion. Hints: (1) The only chemical shift information you need is that protons on carbons δ\delta to an oxygen have chemical shifts in the δ\delta 3.2- δ\delta 4.0 range. (2) You do not need to interpret the complex splittings at δ\delta 3.22, δ\delta 3.37, and δ\delta 3.9 to deduce the structure, but you will need to interpret the splittings in the gray boxes.
 A compound X with the formula C<sub>4</sub>H<sub>10</sub>O<sub>2</sub> has the NMR spectrum shown. The integrals are given over their respective resonances, and the J values are coupling constants. Deduce the structure of compound X and explain how you came to this conclusion. Hints: (1) The only chemical shift information you need is that protons on carbons  \delta  to an oxygen have chemical shifts in the  \delta  3.2- \delta  4.0 range. (2) You do not need to interpret the complex splittings at  \delta  3.22,  \delta  3.37, and  \delta 3.9 to deduce the structure, but you will need to interpret the splittings in the gray boxes.

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