Molecules 2019, 24, 4224
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N,N-Dimethyl-3-(naphthalen-1-ylamino)-propionamide (3d): The product was obtained as a colorless
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liquid in a yield of 73% (0.52 g). H-NMR (600 MHz, CDCl3) δ 7.77 (d, J = 7.9 Hz, 1H), 7.69 (d, J = 7.8
Hz, 1H), 7.39 – 7.28 (m, 2H), 7.26 (t, J = 7.8 Hz, 1H), 7.18 – 7.10 (m, 1H), 6.57 (d, J = 7.5 Hz, 1H), 5.64 –
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4.87 (m, 1H), 3.56 (t, J = 5.8 Hz, 2H), 2.86 (d, J = 6.3 Hz, 6H), 2.62 (t, J = 5.8 Hz, 2H). C-NMR (151 MHz,
CDCl3) δ 171.86, 143.27, 134.42, 128.48, 126.53, 125.77, 124.76, 123.87, 120.40, 117.37, 104.31, 39.73,
37.15, 35.36, 31.92.
3-(4-Methoxy-phenylamino)-N,N-dimethyl-propionamide (3e): The product was obtained as a white solid
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in a yield of 81% (0.5 g). MP: 85-87 ℃. H-NMR (600 MHz, CDCl3) δ6.78 (d, J = 8.6 Hz, 2H), 6.64 (d, J
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= 8.6 Hz, 2H), 3.75 (s, 3H), 3.43 (t, J = 5.9 Hz, 2H), 2.96 (d, J = 6.5 Hz, 6H), 2.59 (t, J = 5.9 Hz, 2H).
C
NMR (151 MHz, CDCl3) δ 171.72, 152.41, 141.82, 114.92, 114.91, 55.80, 40.83, 37.12, 35.30, 32.18.
3-(2-Chloro-phenylamino)-N,N-dimethyl-propionamide (3f): The product was obtained as a yellow liquid
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in a yield of 82% (0.52 g). H NMR (600 MHz, CDCl3) δ 7.24 (dd, J = 7.9, 1.5 Hz, 1H), 7.15 – 7.11 (m,
1H), 6.71 (dd, J = 8.2, 1.1 Hz, 1H), 6.61 (tt, J = 14.6, 7.3 Hz, 1H), 4.92 (s, 1H), 3.54 (t, J = 6.4 Hz, 2H), 2.96
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(d, J = 2.3 Hz, 6H), 2.62 (t, J = 6.4 Hz, 2H). C NMR (151 MHz, CDCl3) δ 170.16, 142.73, 128.25, 126.74,
118.56, 116.21, 110.12, 38.30, 36.08, 34.30, 31.33.
3-(4-Bromo-phenylamino)-N,N-dimethyl-propionamide (3g): The product was obtained as a white solid
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in a yield of 55% (0.47 g). MP: 110–113 ℃. H NMR (600 MHz, CDCl3) δ7.24 (d, J = 8.8 Hz, 2H), 6.52
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(d, J = 8.8 Hz, 2H), 4.65 (s, 1H), 3.44 (t, J = 5.9 Hz, 2H), 2.96 (d, J = 8.4 Hz, 6H), 2.58 (t, J = 5.9 Hz, 2H). C
NMR (151 MHz, CDCl3) δ 171.46, 146.80, 131.97, 114.83, 109.08, 39.58, 37.11, 35.32, 31.95.
3-Phenylamino-propionamide (3i): The product was obtained as a white solid in a yield of 84% (0.39 g).
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MP: 53–56 ℃ [31]. H NMR (600 MHz, CDCl3) δ7.18 (t, J = 7.9 Hz, 2H), 6.73 (t, J = 7.3 Hz, 1H), 6.63 (d,
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J = 7.9 Hz, 2H), 5.91 (s, 2H), 3.44 (t, J = 6.1 Hz, 2H), 2.49 (t, J = 6.1 Hz, 2H). C NMR (151 MHz, CDCl3)
δ 174.26, 147.54, 129.38, 118.09, 113.40, 39.99, 34.91.
3-(4-Bromo-phenylamino)-propionamide (3j): The product was obtained as a white solid in a yield of 79%
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(0.68 g). MP: 122–125 ℃. H NMR (600 MHz, CDCl3) δ7.29 – 7.28 (m, 1H), 7.27 (d, J = 2.1 Hz, 1H), 6.64
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– 6.47 (m, 2H), 5.57 (d, 2H), 3.48 – 3.41 (m, 2H), 2.59 – 2.50 (m, 2H). C NMR (151 MHz, CDCl3) δ
173.48, 146.05, 132.10, 115.26, 110.16, 40.19, 34.28.
N,N-Diethyl-3-phenylamino-propionamide (3k)[32]: The product was obtained as a yellow liquid in a
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yield of 83% (0.39 g). H NMR (600 MHz, CDCl3) δ 7.21 – 7.11 (m, 2H), 6.68 (t, J = 7.3 Hz, 1H), 6.64 –
6.61 (m, 2H), 4.10 (m, 1H), 3.46 (t, J = 6.2 Hz, 2H), 3.36 (q, J = 7.1 Hz, 2H), 3.23 (q, J = 7.2 Hz, 2H), 2.57
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(t, J = 6.2 Hz, 2H), 1.10 (td, J = 7.1, 5.6 Hz, 6H). C NMR (151 MHz, CDCl3) δ170.75, 148.04, 129.25,
117.35, 113.18, 41.90, 40.13, 39.75, 32.00, 14.16, 13.11.
N,N-Diethyl-3-p-tolylamino-propionamide (3l): The product was obtained as a white solid in a yield of
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72% (0.39 g). MP: 52–55 ℃. H NMR (600 MHz, CDCl3) δ6.98 (d, J = 8.3 Hz, 2H), 6.57 (d, J = 8.3 Hz,
2H), 3.45 (t, J = 6.1 Hz, 2H), 3.37 (q, J = 7.1 Hz, 2H), 3.25 (q, J = 7.2 Hz, 2H), 2.58 (t, J = 6.1 Hz, 2H), 2.23
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(s, 3H), 1.11 (td, J = 7.1, 3.1 Hz, 6H). C NMR (151 MHz, CDCl3) δ170.77, 145.45, 129.78, 126.96, 113.66,
41.87, 40.41, 40.09, 31.96, 20.41, 14.17, 13.11.
3-(2-Amino-phenylamino)-N,N-diethyl-propionamide (3m): The product was obtained as a black liquid
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in a yield of 63% (0.34 g). H NMR (600 MHz, CDCl3) δ 6.82 – 6.77 (m, 1H), 6.75 – 6.69 (m, 3H), 3.85 (s,
2H), 3.47 (t, J = 6.2 Hz, 2H), 3.39 (q, J = 7.1 Hz, 2H), 3.29 (q, J = 7.2 Hz, 2H), 2.65 (t, J = 6.2 Hz, 2H), 1.14
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(dt, J = 13.9, 7.1 Hz, 6H). C NMR (151 MHz, CDCl3) δ170.87, 136.52, 135.44, 120.22, 119.48, 116.43,
113.28, 41.94, 40.62, 40.17, 32.06, 14.21, 13.12.
3-(3-Chloro-phenylamino)-N,N-diethyl-propionamide (3o): The product was obtained as a white solid in
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a yield of 76% (0.48 g). MP: 58–61 ℃. H NMR (600 MHz, CDCl3) δ 7.04 (t, J = 8.0 Hz, 1H), 6.65 – 6.61
(m, 1H), 6.59 (t, J = 2.1 Hz, 1H), 6.49 (dd, J = 8.2, 2.2 Hz, 1H), 4.58 (m, 1H), 3.49 – 3.41 (m, 2H), 3.37 (q,
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J = 7.1 Hz, 2H), 3.25 (q, J = 7.2 Hz, 2H), 2.57 (t, J = 6.0 Hz, 2H), 1.18 – 0.99 (m, 6H). C NMR (151 MHz,
CDCl3) δ 171.73, 136.94, 135.20, 120.21, 119.03, 116.33, 112.65, 40.06, 37.11, 35.31, 32.44.