Question

• An organic compound has • IR: 1678 (s), 1220 (s), 980 (s), 702 (s) • Mass: 148 (M+, 7%), 106 (8%), 105 (100%), 77 (29%), 51 (8%) • NMR: 1.20 (6H, d, J=7Hz) • 3.53 (1H, septet, J=7Hz) • 7.20-7.60 (3H,m) • 7.80-8.08 (2H, m)
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Answer 1

Answer:

There is no claim of the originality of the material and it ... NMR spectra: δ 1.9 (3H, s), 2.1 (6H, s), 6.15 (1H, s); Mass: m/z (RA), 55 (100), ... m/z = 181, 73 (100%) ... 1.20 (9H, s).

Explanation:

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