Green Chemistry
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75 MHz): δ 170.4, 139.9, 132.0, 128.9, 127.0, 66.6, 48.1, 42.4,
21.2.
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4-Chloro-N-hexylbenzamide (3s).25 White solid; 1H NMR
(CDCl3, 300 MHz): δ 7.74–7.68 (m, 2H), 7.43–7.37 (m, 2H), 6.18
(bs, 1H), 3.46–3.39 (m, 2H), 1.71–1.55 (m, 2H), 1.33–1.25 (m,
6H), 0.89–0.87 (m, 3H); 13C NMR (CDCl3, 75 MHz): δ 166.4,
137.5, 133.2, 128.7, 128.3, 40.2, 31.5, 29.6, 26.6, 22.5, 14.0.
4-Chloro-N-phenethylbenzamide (3t).30 Yellow solid; 1H
NMR (CDCl3, 300 MHz): δ 7.69–7.60 (m, 2H), 7.47–7.21 (7H,
m), 6.12 (bs, 1H), 3.74–3.67 (m, 2H), 2.93 (t, J = 6.9 Hz, 2H);
13C NMR (CDCl3, 75 MHz): δ 166.1, 138.7, 134.7, 131.4, 129.8,
128.7, 127.2, 126.6, 124.8, 41.2, 35.6.
4-Nitro-N-phenethylbenzamide (3u).31 Yellow solid; 1H NMR
(CDCl3, 300 MHz): δ 8.24 (d, J = 8.4 Hz, 2H), 7.84 (d, J = 8.4 Hz,
2H), 7.35–7.21 (m, 5H), 6.40 (bs, 1H) 3.76–3.70 (m, 2H), 2.95 (t,
J = 6.9 Hz, 2H); 13C NMR (CDCl3, 75 MHz): δ 165.4, 149.4,
140.1, 138.4, 128.7, 128.0, 126.7, 123.7, 41.3, 35.4.
1
N-Benzyl-N-methylbenzamide (3v).32 Yellow liquid; H NMR
(CDCl3, 300 MHz): δ 7.35–7.05 (m, 10H), 4.65 (s, 1H), 4.38 (s,
1H), 2.91 (s, 1.5H), 2.72 (s, 1.5H); 13C NMR (CDCl3, 75 MHz): δ
171.5, 170.9, 136.5, 136.1, 135.7, 129.0, 128.4, 128.2, 127.8,
127.5, 127.2, 126.9, 126.3, 54.4, 50.1, 36.3, 32.5.
N-Benzyl-2-bromobenzamide (3y).35 Yellow solid; 1H NMR
(CDCl3, 300 MHz): δ 7.58 (d, J = 7.8 Hz, 1H), 7.5–7.22 (m, 8H),
6.47 (bs, 1H), 4.60 (d, J = 5.7 Hz, 2H); 13C NMR (CDCl3,
75 MHz): δ 167.5, 137.6, 137.6, 133.2, 131.1, 129.4, 128.6,
128.4, 127.9, 127.4, 119.2, 44.0.
4-Chloro-N-(1-phenylethyl)benzamide (3z).36 White solid;
1H NMR (CDCl3, 300 MHz): δ 7.77–7.74 (m, 2H), 7.38–7.25 (m,
7H), 6.40 (bs, 1H), 5.34–5.25 (m, 1H), 1.60 (d, J = 7.2 Hz, 3H);
13C NMR (CDCl3, 75 MHz): δ 165.5, 142.9, 137.7, 132.9, 128.8,
128.4, 127.5, 126.2, 49.3, 21.6.
4-Nitro-N-(1-phenylethyl)benzamide (3ab).37 Yellow solid;
1H NMR (CDCl3, 300 MHz): δ 8.23 (d, J = 8.7 Hz, 2H), 7.91 (d,
J = 8.4 Hz, 2H) 7.37–7.26 (m, 7H), 6.61 (bs, 1H), 5.35–5.26 (m,
1H), 1.63 (d, J = 7.2 Hz, 3H); 13C NMR (CDCl3, 75 MHz):
δ 164.6, 149.5, 142.4, 140.1, 128.8, 128.1, 127.7, 126.2, 123.7,
49.7, 21.5.
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Acknowledgements
We are thankful to the Department of Science and Technology
(DST), New Delhi for financial support. R. V. and T. G. are
thankful to CSIR for their fellowships.
Notes and references
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2 D. J. C. Constable, P. J. Dunn, J. D. Hayler, G. R. Humphrey,
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