Amides Nickel/Briphos-Catalyzed Transamidation of ...H O O M e N-methyl-N-phenylbenzamide (42 mg,...
Transcript of Amides Nickel/Briphos-Catalyzed Transamidation of ...H O O M e N-methyl-N-phenylbenzamide (42 mg,...
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Supplementary Information
Nickel/Briphos-Catalyzed Transamidation of Unactivated Tertiary
Amides
Da Hyeon Yang,a Taeil Shin,b Hyunwoo Kim,b* and Sunwoo Leea*
Content
General Experimental Procedure --------------------------------------------------------- S2
Reference --------------------------------------------------------------------------------- S10
Spectral Data ----------------------------------------------------------------------------- S11
Electronic Supplementary Material (ESI) for Organic & Biomolecular Chemistry.This journal is © The Royal Society of Chemistry 2020
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General Experimental Procedure
N-methyl-N-phenylbenzamide (0.2 mmol), Primary Amine (0.4 mmol), NiCl2 (0.02 mmol), Briphos
(0.02 mmol), Mn (1.0 mmol), TMSCl (0.4 mmol) and N-Methylpyrrolidone (1 mL) was added into a
clean and dried glass vial under aerobic condition. The suspension was stirred for 12 h at 160 oC.
After cooling, the reaction mixture was diluted with 30 mL EtOAc and 30 mL water. The organic
layer was extracted and dried over anhydrous MgSO4. Evaporation of the solvent under reduced
pressure provided the crude product, which was purified by column chromatography (25% ethyl
acetate in hexane) to afford the final product.
N-phenylbenzamide (3aa)1
NH
O
N-methyl-N-phenylbenzamide (42 mg, 0.2 mmol) and Aniline (37 mg, 0.4 mmol) provided 3aa (34
mg, 87 %). White solid. Mp. 162 - 163 oC. 1H NMR (500 MHz, CDCl3) δ 7.81 – 7.76 (m, 3H), 7.58 (d,
J = 7.9 Hz, 2H), 7.48 (m, 1H), 7.44 – 7.41 (m, 2H), 7.32 – 7.29 (m, 2H), 7.09 (t, J = 7.4 Hz, 1H); 13C
NMR (126 MHz, CDCl3) δ 165.8, 137.9, 135.0, 131.8, 129.1, 128.8, 127.0, 124.6, 120.2; MS (EI) m/z:
197 (M+).
N-(p-tolyl)benzamide (3ab)2
NH
OMe
N-methyl-N-phenylbenzamide (42 mg, 0.2 mmol) and p-toluidine (43 mg, 0.4 mmol) provided 3ab
(35 mg, 82 %). White solid. Mp. 156 - 157 oC. 1H NMR (500 MHz, CDCl3) δ 7.88 – 7.86 (m, 2H), 7.78
(s, 1H), 7.57 – 7.52 (m, 3H), 7.51 – 7.48 (m, 2H), 7.19 (d, J = 8.0 Hz, 2H), 2.35 (s, 3H); 13C NMR (126
MHz, CDCl3) δ 165.6, 135.3, 135.1, 134.3, 131.8, 129.6, 128.8, 127.0, 120.2, 20.9; MS (EI) m/z: 211
(M+).
N-(o-tolyl)benzamide (3ac)2
NH
O
Me
N-methyl-N-phenylbenzamide (42 mg, 0.2 mmol) and o-toluidine (43 mg, 0.4 mmol) provided 3ac
S3
(33 mg, 77 %). White solid. Mp. 143 - 144 oC. 1H NMR (500 MHz, CDCl3) δ 7.89 (d, J = 7.9 Hz, 1H),
7.82 (d, J = 7.3 Hz, 2H), 7.61 (s, 1H), 7.50 (m, 1H), 7.45 – 7.42 (m, 2H), 7.21 (m, 1H), 7.17 (m, 1H),
7.05 (td, J = 7.5 Hz, 0.9 Hz, 1H), 2.27 (s, 3H); 13C NMR (126 MHz, CDCl3) δ 165.4, 135.4, 134.7, 131.5,
130.3, 129.1, 128.5, 126.8, 126.6, 125.1, 122.9, 17.5; MS (EI) m/z: 211 (M+).
N-mesitylbenzamide (3ad)8
NH
OMe
Me
Me
N-methyl-N-phenylbenzamide (42 mg, 0.2 mmol) and 2,4,6-trimethylaniline (54 mg, 0.4 mmol)
provided 3ad (25 mg, 53 %). White solid. Mp. 204 - 205 oC. 1H NMR (500 MHz, CDCl3) δ 7.85 – 7.84
(m, 2H), 7.49 (t, J = 7.4 Hz, 1H), 7.44 – 7.41 (m, 2H), 7.25 (s, 1H), 6.87 (s, 2H), 2.23 (s, 3H), 2.17 (s,
6H); 13C NMR (126 MHz, CDCl3) δ 166.0, 137.1, 135.3, 134.6, 131.7, 131.1, 129.0, 128.7, 127.2, 20.9,
18.4; MS (EI) m/z: 239 (M+).
N-(4-Methoxyphenyl)benzamide (3ae)2
NH
OOMe
N-methyl-N-phenylbenzamide (42 mg, 0.2 mmol) and 4-methoxyaniline (49 mg, 0.4 mmol) provided
3ae (35 mg, 78 %). Yellow solid. Mp. 159 - 160 oC. 1H NMR (500 MHz, CDCl3) δ 7.79 – 7.78 (m, 2H),
7.72 (s, 1H), 7.47 – 7.45 (m, 3H), 7.40 (t, J = 7.5 Hz, 2H), 6.84 – 6.81 (m, 2H), 3.74 (s, 3H); 13C NMR
(126 MHz, CDCl3) δ 165.7, 156.6, 135.0, 131.7, 131.0, 128.7, 127.0, 122.1, 114.2, 55.5; MS (EI) m/z:
227 (M+).
N-(4-(methylthio)phenyl)benzamide (3af)2
NH
OSMe
N-methyl-N-phenylbenzamide (42 mg, 0.2 mmol) and 4-(methylthio)aniline (56 mg, 0.4 mmol)
provided 3af (38 mg, 79 %). Purple solid. Mp. 179 - 180 oC. 1H NMR (500 MHz, CDCl3) δ 7.80 – 7.78
(m, 2H), 7.75 (s, 1H), 7.52 – 7.47 (m, 3H), 7.42 (t, J = 7.5 Hz, 2H), 7.22 – 7.21 (m, 2H), 2.42 (s, 3H);
S4
13C NMR (126 MHz, CDCl3) δ 165.6, 135.5, 134.8, 134.0, 131.9, 128.8, 128.0, 127.0, 120.8, 16.7; MS
(EI) m/z: 243 (M+).
N-(4-fluorophenyl)benzamide (3ag)3
NH
OF
N-methyl-N-phenylbenzamide (42 mg, 0.2 mmol) and 4-fluoroaniline (44 mg, 0.4 mmol) provided
3ag (30 mg, 69 %). White solid. Mp. 185 - 186 oC. 1H NMR (500 MHz, CDCl3) δ 7.80 – 7.78 (m, 2H),
7.73 (s, 1H), 7.54 – 7.47 (m, 3H), 7.44 – 7.41 (m, 2H), 7.02 – 6.98 (m, 2H); 13C NMR (126 MHz, CDCl3)
δ 165.7, 159.5 (d, JC-F = 244.4 Hz), 134.7, 133.9 (d, JC-F = 2.5 Hz), 132.0, 128.9, 127.0, 122.0 (d, JC-F =
8.8 Hz), 115.8 (d, JC-F = 22.7 Hz); MS (EI) m/z: 215 (M+).
N-(4-(trifluoromethyl)phenyl)benzamide (3ah)7
NH
OCF3
N-methyl-N-phenylbenzamide (42 mg, 0.2 mmol) and 4-(trifluoromethyl)aniline (64 mg, 0.4 mmol)
provided 3ah (33 mg, 63 %). White solid. Mp. 207 - 208 oC. 1H NMR (500 MHz, DMSO-d6) δ 10.57
(s, 1H), 8.02 (d, J = 8.5 Hz, 2H), 7.97 – 7.96 (m, 2H), 7.71 (d, J = 8.6 Hz, 2H), 7.61 (t, J = 7.4 Hz, 1H),
7.56 – 7.53 (m, 2H); 13C NMR (126 MHz, DMSO-d6) δ 166.5, 143.3, 134.6, 132.4, 128.9, 128.2, 126.4
(q, JC-F = 3.8 Hz), 125.9 (q, JC-F = 219.2 Hz), 123.9 (d, JC-F = 21.4 Hz), 120.5; MS (EI) m/z: 265 (M+).
N-(pyridin-2-yl)benzamide (3ai)2
NH
O
N
N-methyl-N-phenylbenzamide (42 mg, 0.2 mmol) and pyridin-2-amine (38 mg, 0.4 mmol) provided
3ai (29 mg, 74 %). White solid. Mp. 83 - 84 oC. 1H NMR (500 MHz, CDCl3) δ 9.07 (s, 1H), 8.38 (d, J
= 8.4 Hz, 1H), 8.15 (s, 1H), 7.89 – 7.88 (m, 2H), 7.72 (m, 1H), 7.50 (t, J = 7.4 Hz, 1H), 7.44 – 7.41 (m,
2H), 7.01 (dd, J = 6.8 Hz, 5.3 Hz, 1H); 13C NMR (126 MHz, CDCl3) δ 165.9, 151.5, 147.0, 139.1, 134.1,
132.4, 128.8, 127.4, 119.9, 114.5; MS (EI) m/z: 198 (M+).
S5
N-(thiazol-2-yl)benzamide (3aj)4
NH
O
N
S
N-methyl-N-phenylbenzamide (42 mg, 0.2 mmol) and thiazol-2-amine (40 mg, 0.4 mmol) provided
3aj (29 mg, 72 %). White solid. Mp. 149 - 150 oC. 1H NMR (500 MHz, CDCl3) δ 7.97 – 7.96 (m, 2H),
7.56 (t, J = 7.5 Hz, 1H), 7.47 – 7.44 (m, 2H), 6.93 (d, J = 3.7 Hz, 1H), 6.87 (d, J = 3.6 Hz, 1H); 13C
NMR (126 MHz, CDCl3) δ 165.8, 160.4, 136.6, 132.7, 132.6, 128.8, 128.1, 113.4; MS (EI) m/z: 204 (M+).
N-(benzo[d]thiazol-2-yl)benzamide (3ak)5
NH
O
N
S
N-methyl-N-phenylbenzamide (42 mg, 0.2 mmol) and benzo[d]thiazol-2-amine (60 mg, 0.4 mmol)
provided 3ak (36 mg, 71 %). White solid. Mp. 187 - 188 oC. 1H NMR (500 MHz, CDCl3) δ 8.03 (dd,
J = 8.4 Hz, 1.2 Hz, 2H), 7.86 (dd, J = 7.8 Hz, 0.8 Hz, 1H), 7.56 (m, 1H), 7.43 – 7.39 (m, 2H), 7.30 (m,
1H), 7.27 – 7.20 (m, 2H); 13C NMR (126 MHz, CDCl3) δ 166.1, 160.1, 147.1, 133.1, 131.9, 131.6, 129.0,
128.1, 126.2, 124.1, 121.4, 120.4; MS (EI) m/z: 254 (M+).
N-benzylbenzamide (3al)3
NH
O
N-methyl-N-phenylbenzamide (42 mg, 0.2 mmol) and phenylmethanamine (43 mg, 0.4 mmol)
provided 3al (27 mg, 65 %). White oil. 1H NMR (500 MHz, CDCl3) δ 7.72 (m, 2H), 7.43 (m, 1H), 7.37
– 7.34 (m, 2H), 7.29 – 7.28 (m, 4H), 7.23 (m, 1H), 6.36 (s, 1H), 4.58 (d, J = 5.6 Hz, 2H); 13C NMR (126
MHz, CDCl3) δ 167.3, 138.1, 134.4, 131.6, 128.8, 128.6, 127.9, 127.6, 126.9, 44.2; MS (EI) m/z: 211
(M+).
N-benzhydrylbenzamide (3am)10
S6
NH
O
N-methyl-N-phenylbenzamide (42 mg, 0.2 mmol) and diphenylmethanamine (73 mg, 0.4 mmol)
provided 3am (24 mg, 42 %). White solid. Mp. 176 - 177 oC. 1H NMR (500 MHz, CDCl3) δ 7.74 –
7.72 (m, 2H), 7.42 (m, 1H), 7.36 – 7.32 (m, 2H), 7.28 – 7.18 (m, 10H), 6.67 (d, J = 7.5 Hz, 1H), 6.37 (d,
J = 7.8 Hz, 1H); 13C NMR (126 MHz, CDCl3) δ 166.5, 141.5, 134.2, 131.7, 128.8, 128.6, 127.6, 127.5,
127.1, 57.5; MS (EI) m/z: 287 (M+).
N-(1-phenylethyl)benzamide (3an)9
NH
O Me
N-methyl-N-phenylbenzamide (42 mg, 0.2 mmol) and 1-phenylethanamine (48 mg, 0.4 mmol)
provided 3an (20 mg, 45 %). White solid. Mp. 125 - 126 oC. 1H NMR (500 MHz, CDCl3) δ 7.70 – 7.68
(m, 2H), 7.41 (m, 1H), 7.34 – 7.30 (m, 4H), 7.28 – 7.25 (m, 2H), 7.20 (m, 1H), 6.39 (d, J = 6.4 Hz, 1H),
5.25 (m, 1H), 1.52 (d, J = 6.9 Hz, 3H); 13C NMR (126 MHz, CDCl3) δ 166.6, 143.1, 134.6, 131.5, 128.7,
128.6, 127.5, 126.9, 126.3, 49.2, 21.7; MS (EI) m/z: 225 (M+).
N-allylbenzamide (3ao)6
NH
O
N-methyl-N-phenylbenzamide (42 mg, 0.2 mmol) and prop-2-en-1-amine (23 mg, 0.4 mmol)
provided 3ao (13 mg, 39 %). White oil. 1H NMR (500 MHz, CDCl3) δ 7.72 – 7.70 (m, 2H), 7.36 (m,
1H), 7.28 – 7.25 (m, 2H), 6.93 (s, 1H), 5.79 (ddt, J = 17.1 Hz, 10.3 Hz, 5.6 Hz, 1H), 5.11 (dq, J = 17.2
Hz, 1.6 Hz, 1H), 5.02 (dq, J = 10.3 Hz, 1.3 Hz, 1H), 3.93 (tdd, J = 5.7 Hz, 1.5 Hz, 1.5 Hz, 2H); 13C NMR
(126 MHz, CDCl3) δ 167.4, 134.2, 134.0, 131.2, 128.2, 126.9, 116.1, 42.2; MS (EI) m/z: 161 (M+).
S7
N-cyclohexylbenzamide (3ap)2
NH
O
N-methyl-N-phenylbenzamide (42 mg, 0.2 mmol) and cyclohexanamine (40 mg, 0.4 mmol) provided
3ap (17 mg, 41 %). White solid. Mp. 150 - 152 oC. 1H NMR (500 MHz, CDCl3) δ 7.69 – 7.67 (m, 2H),
7.41 (m, 1H), 7.36 – 7.33 (m, 2H), 5.94 (s, 1H), 3.91 (m, 1H), 1.98 – 1.94 (m, 2H), 1.68 (dt, J = 13.9
Hz, 3.8 Hz, 2H), 1.58 (dt, J = 13 Hz, 3.8 Hz, 1H), 1.40 – 1.31 (m, 2H), 1.21 – 1.08 (m, 3H); 13C NMR
(126 MHz, CDCl3) δ 166.7, 135.0, 131.2, 128.5, 126.8, 48.7, 33.2, 25.6, 24.9; MS (EI) m/z: 203 (M+).
2-methyl-N-phenylbenzamide (3ba)1
NH
OMe
N,2-dimethyl-N-phenylbenzamide (45 mg, 0.2 mmol) and Aniline (37 mg, 0.4 mmol) provided 3ba
(27 mg, 65 %). White solid. Mp. 126 - 127 oC. 1H NMR (500 MHz, CDCl3) δ 7.54 (d, J =7.6 Hz, 2H),
7.45 (s, 1H), 7.39 (d, J = 7.5 Hz, 1H), 7.30 – 7.27 (m, 3H), 7.19 – 7.15 (m, 2H), 7.08 (t, J = 7.5 Hz, 1H),
2.42 (s, 3H); 13C NMR (126 MHz, CDCl3) δ 168.1, 138.0, 136.4, 131.3, 130.3, 129.1, 126.6, 125.9, 124.6,
119.9, 19.8; MS (EI) m/z: 211 (M+).
3-methyl-N-phenylbenzamide (3ca)14
NH
OMe
N,3-dimethyl-N-phenylbenzamide (45 mg, 0.2 mmol) and Aniline (37 mg, 0.4 mmol) provided 3ca
(33 mg, 79 %). White solid. Mp. 128 - 129 oC. 1H NMR (500 MHz, CDCl3) δ 7.83 (s, 1H), 7.60 (s, 1H),
7.57 – 7.56 (m, 3H), 7.30 – 7.27 (m, 4H), 7.07 (t, J = 7.4 Hz, 1H), 2.34 (s, 3H); 13C NMR (126 MHz,
CDCl3) δ 166.0, 138.7, 138.0, 135.0, 132.6, 129.1, 128.6, 127.8, 124.5, 124.0, 120.2, 21.4; MS (EI) m/z:
211 (M+).
4-methyl-N-phenylbenzamide (3da)1
S8
O
NH
Me
N,4-dimethyl-N-phenylbenzamide (45 mg, 0.2 mmol) and Aniline (37 mg, 0.4 mmol) provided 3da
(31 mg, 73 %). White solid. Mp. 145 - 146 oC. 1H NMR (500 MHz, CDCl3) δ 7.70 (d, J = 7.7 Hz, 3H),
7.57 (d, J = 8.0 Hz, 2H), 7.30 (t, J = 7.6 Hz, 2H), 7.22 (d, J = 7.8 Hz, 2H), 7.08 (t, J = 7.2 Hz, 1H), 2.36
(s, 3H); 13C NMR (126 MHz, CDCl3) δ 165.6, 142.4, 138.0, 132.1, 129.4, 129.1, 127.0, 124.4, 120.1,
21.5; MS (EI) m/z: 211 (M+).
4-(tert-butyl)-N-phenylbenzamide (3ea)13
NH
O
t-Bu
4-(tert-butyl)-N-methyl-N-phenylbenzamide (53 mg, 0.2 mmol) and Aniline (37 mg, 0.4 mmol)
provided 3ea (35 mg, 70 %). White solid. Mp. 125 - 126 oC. 1H NMR (500 MHz, CDCl3) δ 7.75 – 7.73
(m, 3H), 7.57 (d, J = 7.9 Hz, 2H), 7.43 (d, J = 8.3 Hz, 2H), 7.30 (t, J = 7.8 Hz, 2H), 7.08 (t, J = 7.4 Hz,
1H), 1.28 (s, 9H); 13C NMR (126 MHz, CDCl3) δ 165.7, 155.4, 138.1, 132.1, 129.1, 126.9, 125.7, 124.4,
120.2, 35.0, 31.2; MS (EI) m/z: 253 (M+).
4-methoxy-N-phenylbenzamide (3fa)1
NH
O
MeO
4-methoxy-N-methyl-N-phenylbenzamide (48 mg, 0.2 mmol) and Aniline (37 mg, 0.4 mmol)
provided 3fa (34 mg, 74 %). White solid. Mp. 168 - 170 oC. 1H NMR (500 MHz, CDCl3) δ 7.77 (d, J
= 8.1 Hz, 2H), 7.69 (s, 1H), 7.56 (d, J = 7.8 Hz, 2H), 7.29 (t, J = 7.7 Hz, 2H), 7.07 (t, J = 7.3 Hz, 1H),
6.90 (d, J = 8.6 Hz, 2H), 3.80 (s, 3H); 13C NMR (126 MHz, CDCl3) δ 165.2, 162.5, 138.1, 129.1, 128.9,
127.1, 124.3, 120.1, 114.0, 55.5; MS (EI) m/z: 227 (M+).
N-phenyl-4-(trifluoromethyl)benzamide (3ga)12
S9
O
NH
F3C
N-methyl-N-phenyl-4-(trifluoromethyl)benzamide (56 mg, 0.2 mmol) and Aniline (37 mg, 0.4 mmol)
provided 3ga (41 mg, 77 %). White solid. Mp. 207 - 208 oC. 1H NMR (500 MHz, DMSO-d6) δ 10.45
(s, 1H), 8.14 (d, J = 8.1 Hz, 2H), 7.90 (d, J = 8.2 Hz, 2H), 7.78 – 7.77 (m, 2H), 7.38 – 7.35 (m, 2H), 7.12
(t, J = 7.4 Hz, 1H); 13C NMR (126 MHz, DMSO-d6) δ 164.8, 139.3, 139.2, 131.8 (d, JC-F = 32.8 Hz),
129.1, 129.0, 125.8 (q, JC-F = 3.8 Hz), 125.5 (q, JC-F = 273.4 Hz), 124.5, 120.9; MS (EI) m/z: 265 (M+).
4-fluoro-N-phenylbenzamide (3ha)11
O
NH
F
4-fluoro-N-methyl-N-phenylbenzamide (46 mg, 0.2 mmol) and Aniline (37 mg, 0.4 mmol) provided
3ha (35 mg, 82 %). White solid. Mp. 187 - 188 oC. 1H NMR (500 MHz, CDCl3) δ 7.82 (dd, J = 8.6 Hz,
5.3 Hz, 2H), 7.69 (s, 1H), 7.55 (d, J = 7.9 Hz, 2H), 7.31 (t, J = 7.9 Hz, 2H), 7.10 (t, J = 8.4 Hz, 3H); 13C
NMR (126 MHz, CDCl3) δ 165.1 (d, JC-F = 253.3 Hz), 164.9, 137.9, 131.3 (d, JC-F = 3.8 Hz), 129.6 (d,
JC-F = 8.8 Hz), 129.4, 125.0, 120.5, 116.1 (d, JC-F = 22.7 Hz); MS (EI) m/z: 215 (M+).
N-phenyl-[1,1'-biphenyl]-4-carboxamide (3ia)13
NH
O
Ph
N-methyl-N-phenyl-[1,1'-biphenyl]-4-carboxamide (57 mg, 0.2 mmol) and Aniline (37 mg, 0.4 mmol)
provided 3ia (44 mg, 81 %). White solid. Mp. 227 - 228 oC. 1H NMR (500 MHz, CDCl3) δ 7.90 – 7.88
(m, 2H), 7.78 (s, 1H), 7.65 (d, J = 8.3 Hz, 2H), 7.61 – 7.56 (m, 4H), 7.43 – 7.40 (m, 2H), 7.36 – 7.31
(m, 3H), 7.10 (t, J = 7.4 Hz, 1H); 13C NMR (126 MHz, CDCl3) δ 165.4, 144.7, 139.9, 137.9, 133.6, 129.1,
129.0, 128.1, 127.6, 127.5, 127.2, 124.6, 120.2; MS (EI) m/z: 273 (M+).
N-phenyl-2-naphthamide (3ja)1
S10
NH
O
N-methyl-N-phenyl-2-naphthamide (52 mg, 0.2 mmol) and Aniline (37 mg, 0.4 mmol) provided 3ja
(34 mg, 69 %). White solid. Mp. 166 - 169 oC. 1H NMR (500 MHz, CDCl3) δ 8.32 (s, 1H), 7.90 – 7.83
(m, 5H), 7.63 (d, J = 7.8 Hz, 2H), 7.55 – 7.49 (m, 2H), 7.35 – 7.32 (m, 2H), 7.11 (t, J = 7.4 Hz, 1H); 13C
NMR (126 MHz, CDCl3) δ 165.8, 138.0, 134.9, 132.6, 132.2, 129.2, 129.0, 128.8, 127.9, 127.8, 127.5,
127.0, 124.6, 123.5, 120.2; MS (EI) m/z: 247 (M+).
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S11
N-phenylbenzamide (3aa)
1H NMR
-0.50.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.510.0f1 (ppm)
1.00
2.00
2.04
1.04
2.00
2.92
7.07
347.
0881
7.10
317.
2913
7.30
687.
3216
7.40
577.
4203
7.43
537.
4708
7.48
457.
5001
7.56
767.
5833
7.75
677.
7944
7.80
92
13C NMR
102030405060708090100110120130140150160170180190200f1 (ppm)
120.
2312
4.58
127.
0312
8.79
129.
1013
1.84
134.
9813
7.92
165.
79
S12
N-(p-tolyl)benzamide (3ab)
1H NMR
-0.50.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.510.0f1 (ppm)
3.00
2.00
2.10
3.00
0.70
2.00
2.35
33
7.17
827.
1943
7.47
707.
4793
7.48
257.
4934
7.49
637.
5059
7.50
887.
5099
7.52
437.
5384
7.54
117.
5437
7.55
147.
5561
7.56
067.
5679
7.57
057.
5731
7.77
837.
8649
7.86
787.
8818
7.88
39
13C NMR
0102030405060708090100110120130140150160170180190200f1 (ppm)
20.9
2
120.
2412
6.98
128.
7712
9.60
131.
7513
4.25
135.
0813
5.33
165.
60
S13
N-(o-tolyl)benzamide (3ac)
1H NMR
-0.50.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.510.0f1 (ppm)
3.00
1.05
1.10
0.90
2.10
1.10
0.90
2.00
1.00
2.27
46
7.03
917.
0409
7.05
417.
0557
7.06
907.
0707
7.15
997.
1750
7.19
937.
2144
7.42
097.
4353
7.45
087.
4846
7.48
687.
4952
7.49
957.
5037
7.51
177.
5140
7.60
997.
8135
7.82
817.
8834
7.89
92
13C NMR
0102030405060708090100110120130140150160170180190200f1 (ppm)
17.5
4
122.
9112
5.09
126.
5712
6.76
128.
5112
9.08
130.
2513
1.53
134.
6513
5.44
165.
36
S14
N-mesitylbenzamide (3ad)
1H NMR
-0.50.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.510.0f1 (ppm)
6.00
3.00
2.00
0.90
2.12
1.07
2.00
2.17
292.
2250
6.86
697.
2521
7.40
807.
4224
7.43
787.
4760
7.49
067.
5055
7.83
547.
8378
7.85
20
13C NMR
-100102030405060708090100110120130140150160170180190200f1 (ppm)
18.3
720
.94
127.
1612
8.72
128.
9913
1.14
131.
7013
4.61
135.
2613
7.09
166.
02
S15
N-(4-Methoxyphenyl)benzamide (3ae)
1H NMR
-0.50.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.510.0f1 (ppm)
3.00
2.00
2.05
3.00
0.80
2.00
3.73
81
6.81
256.
8194
6.82
376.
8330
6.83
736.
8442
7.38
107.
3954
7.41
097.
4477
7.45
017.
4568
7.46
227.
4671
7.47
437.
7235
7.77
677.
7912
13C NMR
0102030405060708090100110120130140150160170180190200f1 (ppm)
55.5
0
114.
22
122.
1212
6.98
128.
7313
0.98
131.
6913
5.00
156.
61
165.
65
S16
N-(4-(methylthio)phenyl)benzamide (3af)
1H NMR
-0.50.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.510.0f1 (ppm)
3.00
2.00
2.00
3.00
0.80
2.00
2.41
86
7.20
657.
2237
7.40
127.
4156
7.43
127.
4684
7.48
327.
5049
7.52
217.
7454
7.78
117.
7836
7.79
81
13C NMR
0102030405060708090100110120130140150160170180190200f1 (ppm)
16.6
5
120.
8012
6.98
127.
9912
8.81
131.
8913
3.98
134.
8413
5.51
165.
62
S17
N-(4-fluorophenyl)benzamide (3ag)
1H NMR
-0.50.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.510.0f1 (ppm)
2.00
2.00
3.00
0.80
2.00
6.98
106.
9853
6.99
466.
9987
7.01
117.
0156
7.40
837.
4226
7.42
517.
4352
7.43
827.
4768
7.49
197.
5160
7.52
557.
5297
7.53
397.
5435
7.78
307.
7858
7.80
02
13C NMR
0102030405060708090100110120130140150160170180190200f1 (ppm)
115.
7011
5.88
122.
0112
2.08
126.
9812
8.85
131.
9813
3.84
133.
8613
4.70
158.
5616
0.50
165.
69
S18
N-(4-(trifluoromethyl)phenyl)benzamide (3ah)
1H NMR
-0.50.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.510.010.511.011.512.0f1 (ppm)
2.00
1.00
2.00
2.00
2.00
0.90
7.52
837.
5427
7.55
817.
5960
7.61
077.
6254
7.70
637.
7235
7.95
787.
9605
7.97
478.
0076
8.02
46
10.5
725
13C NMR
0102030405060708090100110120130140150160170180190200f1 (ppm)
120.
5412
3.67
123.
7612
3.93
124.
1812
5.92
126.
3012
6.33
126.
3612
6.39
128.
2412
8.90
132.
3613
4.95
143.
29
166.
50
S19
N-(pyridin-2-yl)benzamide (3ai)
1H NMR
-0.50.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.510.0f1 (ppm)
1.00
2.00
1.00
1.05
2.00
1.00
0.95
0.90
6.99
457.
0053
7.00
837.
0188
7.40
817.
4228
7.43
847.
4840
7.49
877.
7210
7.87
677.
8791
7.89
36
9.07
43
13C NMR
0102030405060708090100110120130140150160170180190200f1 (ppm)
114.
50
119.
88
127.
3512
8.84
132.
3513
4.08
139.
08
147.
0215
1.47
165.
85
S20
N-(thiazol-2-yl)benzamide (3aj)
1H NMR
-0.50.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.510.0f1 (ppm)
0.95
0.95
2.00
1.00
2.00
6.86
566.
8728
6.92
956.
9368
7.45
177.
4675
7.55
51
7.95
687.
9595
7.97
38
13C NMR
0102030405060708090100110120130140150160170180190200f1 (ppm)
113.
37
128.
0612
8.75
132.
6013
2.69
136.
60
160.
41
165.
84
S21
N-(benzo[d]thiazol-2-yl)benzamide (3ak)
1H NMR
-0.50.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.510.0f1 (ppm)
2.00
1.00
2.00
1.00
1.00
2.00
7.19
557.
1970
7.21
187.
2128
7.23
687.
2394
7.25
107.
2535
7.26
707.
2699
7.28
477.
2875
7.30
047.
3029
7.31
467.
3171
7.39
457.
3981
7.40
957.
4108
7.42
267.
4258
7.53
787.
5402
7.54
267.
5551
7.56
767.
5700
7.57
247.
8469
7.84
827.
8622
7.86
418.
0234
8.02
598.
0403
8.04
25
13C NMR
0102030405060708090100110120130140150160170180190200f1 (ppm)
120.
4112
1.41
124.
1012
6.19
128.
0612
9.01
131.
5713
1.92
133.
13
147.
09
160.
14
166.
08
S22
N-benzylbenzamide (3al)
1H NMR
-0.50.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.510.0f1 (ppm)
2.00
1.00
1.10
4.00
2.00
1.00
2.00
4.57
524.
5864
6.35
517.
2277
7.23
637.
2447
7.28
287.
2916
7.34
207.
3564
7.35
907.
3690
7.37
207.
4122
7.41
487.
4174
7.42
977.
4443
7.71
077.
7136
7.71
757.
7278
13C NMR
0102030405060708090100110120130140150160170180190200f1 (ppm)
44.1
615
126.
9431
127.
6447
127.
9320
128.
6023
128.
7994
131.
5625
134.
3615
138.
1489
167.
3360
S23
N-benzhydrylbenzamide (3am)
1H NMR
-2-1012345678910111213f1 (ppm)
1.00
1.00
10.0
02.
001.
002.
00
6.36
156.
3771
6.66
516.
6800
7.18
127.
1843
7.18
477.
1881
7.19
317.
1984
7.20
307.
2036
7.20
517.
2082
7.20
927.
2108
7.21
277.
2148
7.21
657.
2225
7.22
577.
2414
7.24
327.
2446
7.24
897.
2566
7.25
877.
2609
7.27
027.
2734
7.27
587.
3188
7.32
047.
3220
7.32
547.
3367
7.33
907.
3492
7.35
227.
3532
7.35
597.
3987
7.40
137.
4039
7.41
227.
4162
7.42
037.
4284
7.43
107.
4335
7.71
877.
7214
7.72
557.
7356
7.73
687.
7380
7.74
19
13C NMR
0102030405060708090100110120130140150160170180190200f1 (ppm)
57.4
5
127.
0712
7.52
127.
5712
8.63
128.
7513
1.69
134.
2314
1.45
166.
51
S24
N-(1-phenylethyl)benzamide (3an)
1H NMR
-0.50.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.510.0f1 (ppm)
3.00
1.00
0.90
1.00
2.00
4.00
1.00
2.00
1.50
831.
5221
5.22
455.
2387
5.25
325.
2676
5.28
16
6.38
206.
3947
7.26
607.
2806
7.29
707.
2986
7.30
217.
3038
7.31
277.
3135
7.31
567.
3184
7.32
097.
3339
7.38
097.
3958
7.67
867.
6814
7.69
567.
6979
13C NMR
102030405060708090100110120130140150160170180190200f1 (ppm)
21.7
3
49.2
3
126.
2612
6.94
127.
4512
8.55
128.
7413
1.47
134.
5514
3.12
166.
60
S25
N-allylbenzamide (3ao)
1H NMR
0.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.510.0f1 (ppm)
2.00
1.00
1.00
1.05
0.95
2.00
1.00
2.00
3.91
463.
9175
3.92
053.
9260
3.92
893.
9317
3.93
723.
9402
3.94
315.
0098
5.01
265.
0303
5.03
315.
1229
5.76
365.
7731
5.78
415.
7978
5.81
83
6.92
977.
2539
7.25
727.
2685
7.28
137.
2843
7.34
117.
3436
7.34
607.
3547
7.35
837.
3622
7.37
077.
3732
7.37
567.
7028
7.70
557.
7092
7.71
987.
7212
13C NMR
0102030405060708090100110120130140150160170180190200f1 (ppm)
42.2
3
116.
10
126.
8912
8.23
131.
1913
4.01
134.
20
167.
44
S26
N-cyclohexylbenzamide (3ap)
1H NMR
-2-1012345678910111213f1 (ppm)
3.00
2.00
1.00
2.00
2.00
1.00
1.00
2.00
1.00
2.00
1.12
051.
1283
1.13
681.
1466
1.15
261.
1595
1.17
601.
1814
1.19
891.
2059
1.31
771.
3351
1.34
171.
3484
1.36
181.
3687
1.37
571.
3926
1.57
031.
5779
1.59
631.
6613
1.66
871.
6763
1.68
861.
6965
1.70
391.
9438
1.95
061.
9595
1.96
851.
9756
3.90
083.
9089
3.91
707.
3288
7.33
097.
3341
7.34
517.
3479
7.35
767.
3604
7.36
447.
3916
7.39
437.
3969
7.40
467.
4091
7.41
367.
4211
7.42
367.
6703
7.67
327.
6773
7.68
437.
6872
7.68
96
13C NMR
0102030405060708090100110120130140150160170180190200f1 (ppm)
24.9
225
.57
33.2
3
48.7
0
126.
8312
8.50
131.
2413
5.04
166.
65
S27
2-methyl-N-phenylbenzamide (3ba)
1H NMR
0.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.510.0f1 (ppm)
3.00
1.00
2.32
3.00
1.00
1.00
2.00
2.42
29
7.06
127.
0761
7.09
107.
1543
7.16
937.
1947
7.26
927.
2845
7.30
327.
3844
7.39
937.
4530
7.53
247.
5476
13C NMR
0102030405060708090100110120130140150160170180190200f1 (ppm)
19.8
3
119.
8712
4.56
125.
9012
6.60
129.
1113
0.29
131.
2713
6.43
137.
97
168.
09
S28
3-methyl-N-phenylbenzamide (3ca)
1H NMR
0.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.510.0f1 (ppm)
3.00
1.00
4.00
3.00
1.00
0.83
2.33
57
7.05
367.
0684
7.08
337.
2667
7.27
137.
2747
7.28
417.
2993
7.55
957.
5748
7.60
207.
8290
13C NMR
0102030405060708090100110120130140150160170180190200f1 (ppm)
21.4
0
120.
2012
3.97
124.
5012
7.80
128.
6312
9.07
132.
5813
4.97
137.
9813
8.69
165.
99
S29
4-methyl-N-phenylbenzamide (3da)
1H NMR
-0.50.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.510.0f1 (ppm)
3.00
1.00
2.00
2.00
2.00
2.71
2.35
63
7.06
067.
0750
7.08
957.
2092
7.22
477.
2836
7.29
877.
3139
7.55
937.
5753
7.69
257.
7078
13C NMR
0102030405060708090100110120130140150160170180190200f1 (ppm)
21.5
0
120.
1312
4.43
127.
0112
9.07
129.
4413
2.10
138.
0114
2.38
165.
64
S30
4-(tert-butyl)-N-phenylbenzamide (3ea)
1H NMR
0.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.510.0f1 (ppm)
9.00
1.00
2.00
2.00
2.00
2.72
1.28
40
7.06
037.
0750
7.08
997.
2826
7.29
837.
3139
7.42
257.
4391
7.56
177.
5775
7.73
047.
7467
13C NMR
0102030405060708090100110120130140150160170180190200f1 (ppm)
31.1
634
.99
120.
1612
4.41
125.
7112
6.89
129.
0613
2.07
138.
05
155.
41
165.
73
S31
4-methoxy-N-phenylbenzamide (3fa)
1H NMR
-0.50.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.510.0f1 (ppm)
3.00
2.00
1.00
2.00
2.00
0.80
2.00
3.80
33
6.89
336.
9105
7.05
377.
0685
7.08
297.
2786
7.29
377.
3092
7.54
987.
5654
7.69
257.
7635
7.77
96
13C NMR
0102030405060708090100110120130140150160170180190200f1 (ppm)
55.4
6
113.
9612
0.11
124.
3312
7.11
128.
8612
9.05
138.
06
162.
4616
5.19
S32
N-phenyl-4-(trifluoromethyl)benzamide (3ga)
1H NMR
-0.50.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.510.010.511.011.512.0f1 (ppm)
1.00
2.00
2.00
2.00
2.00
0.90
7.10
677.
1215
7.13
637.
3479
7.36
437.
3797
7.76
727.
7826
7.89
507.
9113
8.13
388.
1500
10.4
504
13C NMR
0102030405060708090100110120130140150160170180190200f1 (ppm)
120.
8912
3.29
124.
4612
5.46
125.
7712
5.80
125.
8312
5.86
129.
0312
9.12
131.
6613
1.92
139.
2313
9.27
164.
82
S33
4-fluoro-N-phenylbenzamide (3ha)
1H NMR
-0.50.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.510.0f1 (ppm)
3.00
2.00
2.00
0.80
2.00
7.07
917.
0960
7.11
287.
2925
7.30
867.
3241
7.54
377.
5594
7.69
437.
8024
7.81
297.
8196
7.83
01
13C NMR
0102030405060708090100110120130140150160170180190200f1 (ppm)
116.
0311
6.21
120.
4712
4.96
129.
3712
9.59
129.
6613
1.33
131.
3613
7.94
164.
1216
4.90
166.
13
S34
N-phenyl-[1,1'-biphenyl]-4-carboxamide (3ia)
1H NMR
-0.50.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.510.0f1 (ppm)
1.00
3.00
2.00
4.00
2.00
0.80
2.00
7.08
727.
1020
7.11
687.
3100
7.32
647.
3416
7.35
607.
4011
7.41
667.
4314
7.56
207.
5765
7.59
297.
6090
7.64
387.
6604
7.78
207.
8790
7.89
55
13C NMR
0102030405060708090100110120130140150160170180190200f1 (ppm)
120.
1612
4.60
127.
2312
7.47
127.
5512
8.14
128.
9712
9.14
133.
5613
7.90
139.
8514
4.71
165.
37
S35
N-phenyl-2-naphthamide (3ja)
1H NMR
-2.0-1.5-1.0-0.50.00.51.01.52.02.53.03.54.04.55.05.56.06.57.07.58.08.59.09.510.010.5f1 (ppm)
1.00
2.00
2.13
2.00
5.00
1.00
7.093
07.1
079
7.122
77.3
173
7.333
77.3
490
7.489
07.5
026
7.515
47.5
189
7.533
97.5
451
7.623
37.6
388
7.826
97.8
444
7.866
77.8
746
7.898
68.3
150
13C NMR
0102030405060708090100110120130140150160170180190200f1 (ppm)
120.
2212
3.52
124.
6212
6.97
127.
5112
7.83
127.
9312
8.79
128.
9712
9.15
132.
1913
2.62
134.
8713
7.97
165.
77