Propose structures for carboxylic acids that show the following peaks in their 13 C NMR spectra. Assume
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Propose structures for carboxylic acids that show the following peaks in their 13C NMR spectra. Assume that the kinds of carbons (1°, 2°, 3°, or 4°) have been assigned by DEPT-NMR.
(a) C7H12O2: 25.5 δ (2°), 25.9 δ (2°), 29.0 δ (2°), 43.1 δ (3°), 183.0 δ (4°)
(b) C8H8HO2: 21.4 δ (1°), 128.3 δ (4°), 129.0 δ (3°), 129.7 δ (3°), 143.1 δ (4°), 168.2 δ (4°)
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a From the formula we know that the compound has 2 degrees ...View the full answer
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