Suggest a Structure Consistent with the Following Spectroscopic Data:
C₅H₁₀O₂ $\delta$

question 80

Essay

Suggest a structure consistent with the following spectroscopic data:
C₅H₁₀O₂
IR: 1745cm^−1
1H NMR:
triplet 3H,
$\delta$ 0.90
multiplet 2H,
$\delta$ 1.60
singlet 3H,
$\delta$ 1.95
triplet 2H,
$\delta$ 3.95
¹³C NMR
Broadband decoupled: 10.41,20.91,22.14,66.10,171.09 $\delta$
DEPT 90: no peaks
DEPT 135: 10.41,20.91 $\delta$ (positive);22.14,66.10 $\delta$ (negative)

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