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0343493842
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note
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1HNMR δ: 1.62-1.80 (m, 2H), 2.01 (q, 2H, J = 7.6 Hz), 2.32 (t, 2H, J = 7.0 Hz), 3.66 (s, 3H), 4.61 (q, 1H, J= 7.0 Hz), 5.16 (s, 2H), 6.51 (dd, 1H J = 10.6, 9.4 Hz), 6.86 (d, 1H, J = 11.0 Hz), 7.33-7.45 (m, 5 H).
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30
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0343758059
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A similar tautomerization has been observed during the synthesis of N-tosylimines: Trost, B. M.; Marrs, C. J. Org. Chem. 1991, 56, 6468.
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Trost, B.M.1
Marrs, C.J.2
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