Propose structures for molecules that meet the following descriptions. Assume that the kinds of carbons (1, 2,
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Propose structures for molecules that meet the following descriptions. Assume that the kinds of carbons (1°, 2°, 3°, or 4°) have been assigned by DEPT-NMR.
(a) C6H12O; IR: 1715 cm–1; 13C NMR: 8.0 δ (1°), 18.5 δ (1°), 33.5 δ (2°), 40.6 δ (3°), 214.0 δ (4°)
(b) C5H10O; IR: 1730 cm–1 13C NMR: 22.6 δ (1°), 23.6 δ (3°), 52.8 δ (2°), 202.4 δ (3°)
(c) C6H80; IR: 1680 cm–1 13C NMR: 22.9 δ (2°), 25.8 δ (2°), 38.2 δ (2°), 129.8 δ (3°), 150.6 δ (3°), 198.7 δ (4°)
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a IR shows that the unknown is a ketone and 3C NMR indicates that the carbonyl group is ...View the full answer
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