SUPPLEMENTARY DATA 1 2 3 A facile, highly efficient and novel method for the synthesis of 5-substituted 1H- 4 tetrazoles catalysed by copper(I) chloride 5 aİbrahim 6 Esirden, aErhan Başar, bMuharrem Kaya 7 8 9 a Chemistry Department, bBiochemistry Department, Faculty of Arts and Science, Dumlupınar University, Evliya Çelebi Campus 43100 Kütahya, Turkey. 10 11 Received 18 December 2014; Revised 15 March 2015; Accepted 17 March 2015 Corresponding authors, e-mail: muharrem.kaya@dpu.edu.tr 12 Product number III Spectral data As a white powder, M.p.: 214-216 oC (lit. 215-216 oC) (Rama et al., 2011) FT–IR (cm-1): 3053, 2979, 2906, 2833, 2682, 2601, 2536, 1607, 1561, 1285, 1254 1 H NMR (300 MHz, DMSO-d6): δ = 7.60-7.65 (m, 3H, Ar-H), 8.03- 8.07 (m, 2H, Ar-H), 16.85 (br, 1H, -NH) ppm C NMR (75 MHz, DMSO-d6): δ = 124.60, 127.40, 129.79, 131.62, 155.77 13 ppm HRMS (QTOF-ESI): m/z [M-H]- calculated for C7H6N4: 145.0514; found [MH]-: 145.0517 IV As a white powder, M.p.: 254 oC (lit. 254-255 oC) (Rama et al., 2011) FT–IR (cm-1): 3055, 2969, 2885, 2410, 1627, 1526, 1291, 1237, 1041 1 H NMR (300 MHz, DMSO-d6): δ = 8.05 (s, 2H, Ar-H), 8.90 (s, 2H, Ar-H), 15.60 (br, 1H, -NH) ppm C NMR (75 MHz, DMSO-d6): δ = 121.60, 133.91, 150.51, 155.20, 155.64 13 ppm HRMS (QTOF-ESI): m/z [M-H]- calculated for C6H5N5: 146.0467; found [MH]-: 146.0468 As an orange powder, M.p.: 220 oC (lit. 219-221 oC) (Rama et al., 2011) V FT–IR (cm-1): 3078, 2913, 2845, 2770, 1605, 1551, 1512, 1291, 1222 1 H NMR (300 MHz, DMSO-d6): δ = 8.31 (d, J= 9.01 Hz, 2H, Ar-H), 8.46 (d, J= 9.00 Hz, 2H, Ar-H) ppm C NMR (75 MHz, DMSO-d6): δ = 125.03, 128.63, 131.10, 149.16, 155.92 13 ppm HRMS (QTOF-ESI): m/z [M-H]- calculated for C7H5N5O2: 190.0365; found [M-H]-: 190.0367 As a white powder, M.p.: 183-185 oC (lit. 183-185 oC) (Chermahini et al., VI 2011) FT–IR (cm-1): 3065, 2978, 2912, 2817, 2686, 2542, 1698, 1565, 1557, 1289, 1255 1H NMR (300 MHz, DMSO-d6): δ = 8.13 (d, J= 8.42 Hz, 2H, Ar-H), 8.27 (d, J= 8.22 Hz, 2H, Ar-H), 10.10 (s, 1H, -CHO), 17.15 (br, 1H, -NH) 3 ppm C NMR (75 MHz, DMSO-d6): δ = 128.07, 130.00, 130.82, 138.07, 155.90, 13 193.13 ppm HRMS (QTOF-ESI): m/z [M-H]- calculated for C8H6N4O: 173.0463; found [M-H]-: 173.0461 As a white powder, M.p.: 196-198 oC (lit. 196-198 oC) (Zhu et al., 2009) VII FT–IR (cm-1): 3045, 2987, 2958, 2835, 2758, 2606, 1676, 1611, 1558, 1283, 1249 1 H NMR (300 MHz, DMSO-d6): δ = 7.86 (t, J= 7.71 Hz, 1H, Ar-H), 8.14 (d, J= 7.66 Hz, 1H, Ar-H), 8.36 (d, J= 7.78 Hz, 2H, Ar-H), 8.58 (s, 1H, Ar-H), 10.15 (s, 1H, -CHO) 17.15 (br, 1H, -NH) ppm C NMR (75 MHz, DMSO-d6): δ = 125.78, 127.75, 130.84, 132.57, 132.85, 13 137.37, 155.64, 193.07 ppm HRMS (QTOF-ESI): m/z [M-H]- calculated for C8H6N4O: 173.0463; found [M-H]- : 173.0465 As a white powder, M.p.: 249-250 oC (lit. 250-252 oC) (Sreedhar et al., 2011) VIII FT–IR (cm-1): 3063, 2973, 2902, 2680, 2540, 1606, 1561, 1484, 1276, 1255 1097 1H NMR (300 MHz, DMSO-d6): δ = 7.70 (d, J= 8.56 Hz, 2H, Ar-H), 8.06 (d, J= 8.57 Hz, 2H, Ar-H), 16.95 (br, 1H, -NH) ppm C NMR (75 MHz, DMSO-d6): δ = 123.67, 129.18, 130.03, 136.37, 156.00 13 ppm HRMS (QTOF-ESI): m/z [M-H]- calculated for C7H5ClN4: 179.0124; found [M-H]-: 179.0123 IX As a brown powder, M.p.: 260 oC (lit. 260.6-261 oC) (Cristiano et al., 2005) FT–IR (cm-1): 3061, 2969, 2720, 2613, 1599, 1556, 1480, 1276, 1251 1074 1 H NMR (300 MHz, DMSO-d6): δ = 7.84 (d, J= 8.48 Hz, 2H, Ar-H), 7.99 (d, J= 8.46 Hz, 2H, Ar-H), 16.95 (br, 1H, -NH) ppm C NMR (75 MHz, DMSO-d6): δ = 124.02, 125.17, 129.33, 132.93, 155.53 13 ppm HRMS (QTOF-ESI): m/z [M-H]- calculated for C7H5BrN4: 222.9619; found [M-H]-: 222.9627 X As a white powder, M.p.: 248-250 oC (lit. 248-249 oC) (Jin et al., 2008) 4 FT–IR (cm-1): 3044, 2979, 2916, 2846, 2767, 2679, 2608, 2541, 1612, 1569, 1285, 1256, 1162, 1085 1 H NMR (300 MHz, DMSO-d6): δ = 7.42 (d, J= 8.09 Hz, 2H, Ar-H), 7.93 (d, J= 8.17 Hz, 2H, Ar-H), 16.75 (br, 1H, -NH) ppm C NMR (75 MHz, DMSO-d6): δ = 21.47, 121.71, 127.34, 130.40, 141.69, 13 155.53 ppm HRMS (QTOF-ESI): m/z [M-H]- calculated for C8H8N4: 159.0671; found [MH]-: 159.0674 XI As a white powder, M.p.: 288 oC (lit. 287 oC) (Chand et al., 1997) FT–IR (cm-1): 3264, 3132, 3078, 2201, 2151, 1600, 1544, 1322, 1290, 1263 1 H NMR (300 MHz, DMSO-d6): δ = 2.07 (s, 3H, -CH3), 7.58 (d, J= 8.21 Hz, 2H, Ar-H), 7.88 (d, J= 8.26 Hz, 2H, Ar-H), 9.95 (s, 1H, -NH) ppm C NMR (75 MHz, DMSO-d6): δ = 24.45, 119.40, 126.59, 127.91, 138.74, 13 156.50, 168.73 ppm HRMS (QTOF-ESI): m/z [M-H]- calculated.for C9H9N5O: 202.0729; found [M-H]-: 202.0732 XII As a white powder, M.p.: 253-254 oC decomposition (lit. 254-255 oC decomposition) (McManus & Herbst, 1959) FT–IR (cm-1): 3389, 3280, 3064, 2199, 2142, 1673, 1619, 1595, 1567, 1321, 1291, 1263 1 H NMR (300 MHz, DMSO-d6): δ = 2.08 (s, 3H, -CH3), 7.28 (s, 1H, Ar-H), 7.60 (d, J= 7.98 Hz, 2H, Ar-H), 8.15 (s, 1H, Ar-H) 9.98 (s, 1H, -NH) ppm C NMR (75 MHz, DMSO-d6): δ = 24.47, 117.21, 118.21, 121.21, 129.05, 13 133.52, 139.86, 156.00, 168.77 ppm HRMS (QTOF-ESI): m/z [M-H]- calculated for C9H9N5O: 202.0729; found [M-H]-: 202.0734 13 14 15 16 17 18 5 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 5-Phenyl 1H-tetrazole (III) 55 56 a) 3500 C:\OPUS_7.0.129\MEAS\.146 57 58 59 62 b) 60 61 c) 3000 CU24CN 2500 2000 Wavenumber cm-1 Instrument type and / or accessory Page 1/1 1500 1285.82 1254.92 1161.32 1101.12 1081.65 1054.51 1032.60 1012.96 1607.14 1561.76 1483.32 1463.21 1407.83 1852.87 2452.05 2601.57 2536.47 2682.82 3127.75 3053.98 2979.22 2906.48 2833.79 70 75 80 85 90 Transmittance [%] 95 100 6 1000 500 9/13/2014 7 63 64 65 d) 66 67 68 Fig. 1. a) FT-IR, b) 1H NMR, c) 69 tetrazole 70 13 C NMR (APT), d) Q-TOF LC/HRMS of 5-Phenyl 1H- 4-(1H-tetrazol-5-yl)pyridine (IV) 3500 C:\OPUS_7.0.129\MEAS\.148 72 73 74 77 b) 75 76 c) 3000 CU24N Instrument type and / or accessory Page 1/1 2500 2000 Wavenumber cm-1 1627.91 1526.66 1438.86 1386.39 1353.10 1291.39 1237.16 1200.27 1185.66 1145.28 1119.65 1094.08 1041.73 1017.87 988.08 968.52 869.34 841.84 748.24 713.26 648.69 526.29 458.47 1715.86 1806.17 1905.54 2015.39 2105.83 50 60 70 80 90 100 71 2410.65 3098.14 3055.84 3035.71 2969.22 2885.21 40 8 a) 1500 1000 500 9/13/2014 9 78 79 d) 80 81 82 Fig. 2. a) FT-IR, b) 1H NMR, c) 13C NMR (APT), d) Q-TOF LC/HRMS of 4-(1H-tetrazol-5- 83 yl)pyridine 84 5-(4-nitrophenyl)-1H-tetrazole (V) 3500 C:\OPUS_7.0.129\MEAS\.147 86 87 90 b) 88 89 c) CU24NO2 3000 1605.20 1551.29 1512.31 1437.38 1386.38 1362.19 1337.03 1317.35 1291.87 1222.69 1145.59 1119.90 1108.86 1076.14 1064.01 2913.55 2845.51 2770.22 70 75 80 85 90 95 100 85 3101.16 3078.28 3206.83 65 Transmittance [%] 10 a) 2500 2000 Wavenumber cm-1 Instrument type and / or accessory Page 1/1 1500 1000 500 9/13/2014 11 91 92 d) 93 94 Fig. 3. a) FT-IR, b) 1H NMR, c) 13C NMR (APT), d) Q-TOF LC/HRMS of 5-(4-nitrophenyl)- 95 1H-tetrazole 96 97 98 3500 C:\OPUS_7.0.129\MEAS\.151 101 102 103 104 b) 3000 CU24CN 2500 2000 Wavenumber cm-1 Instrument type and / or accessory Page 1/1 1698.99 1665.87 1613.93 1577.57 1565.28 1499.40 1441.60 1404.44 1387.14 1353.40 1303.51 1289.76 1255.92 1207.31 1174.45 1161.31 1120.64 1086.15 1048.88 1021.03 1009.91 1866.32 2161.55 2457.82 2542.68 2686.51 70 75 80 85 90 99 2817.57 65 100 3190.12 3140.09 3090.63 3065.57 2978.17 2912.32 3391.57 3353.68 3297.22 60 Transmittance [%] 12 a) 4-(1H-tetrazol-5-yl)benzaldehyde (VI) 1500 1000 500 9/13/2014 13 105 c) 106 107 d) 108 109 Fig. 4. a) FT-IR, b) 1H NMR, c) 13C NMR (APT), d) Q-TOF LC/HRMS of 4-(1H-tetrazol-5- 110 yl)benzaldehyde 111 112 113 60 70 80 90 100 114 115 3500 C:\OPUS_7.0.129\MEAS\.145 116 117 118 119 120 b) 3000 CU23CN 1676.67 1611.42 1558.58 1479.25 1459.70 1446.97 1401.97 1383.50 1370.46 1323.14 1283.40 1249.43 1224.98 1205.87 1088.46 1071.56 1027.01 1003.55 3176.34 3135.73 3080.48 3060.06 3045.75 2987.28 2958.98 2916.69 2835.29 2780.87 2758.64 2606.73 50 Transmittance [%] 14 a) 3-(1H-tetrazol-5-yl)benzaldehyde (VII) 2500 2000 Wavenumber cm-1 Instrument type and / or accessory Page 1/1 1500 1000 500 9/13/2014 15 121 c) 122 123 d) 124 125 Fig. 5. a) FT-IR, b) 1H NMR, c) 13C NMR (APT), d) Q-TOF LC/HRMS of 3-(1H-tetrazol-5- 126 yl)benzaldehyde 127 128 3500 C:\OPUS_7.0.129\MEAS\.149 131 132 133 134 b) 3000 CU24CL 2500 2000 Wavenumber cm-1 Instrument type and / or accessory Page 1/1 1606.41 1561.79 1484.81 1457.99 1435.29 1407.04 1297.32 1276.81 1255.37 1225.04 1202.13 1163.14 1119.55 1097.30 1052.58 1022.91 1007.54 1707.45 2163.90 2134.70 2031.50 1993.27 1905.73 2453.48 2540.10 75 80 85 90 95 100 130 2680.27 70 129 2973.82 2902.40 2825.76 3063.40 65 Transmittance [%] 16 a) 5-(4-chlorophenyl)-1H-tetrazole (VIII) 1500 1000 500 9/13/2014 17 135 c) 136 137 d) 138 139 Fig. 6. a) FT-IR, b) 1H NMR, c) 140 chlorophenyl)-1H-tetrazole 141 142 143 13 C NMR (APT), d) Q-TOF LC/HRMS of 5-(4- 3500 C:\OPUS_7.0.129\MEAS\.150 146 147 148 149 b) 3000 CU24BR Instrument type and / or accessory Page 1/1 2500 2000 Wavenumber cm-1 1703.12 1599.92 1556.49 1480.09 1453.76 1428.68 1401.00 1298.79 1276.38 1251.91 1190.83 1155.91 1119.22 1074.83 1051.52 1017.45 986.54 862.66 826.40 741.30 724.55 707.70 691.16 626.35 500.21 460.75 450.03 1907.90 2123.71 70 75 80 85 90 95 100 145 2613.88 65 144 2720.74 3117.08 3088.30 3061.44 2969.22 2897.16 2843.76 60 Transmittance [%] 18 a) 5-(4-bromophenyl)-1H-tetrazole (IX) 1500 1000 500 9/13/2014 19 150 c) 151 152 d) 153 154 Fig. 7. a) FT-IR, b) 1H NMR, c) 155 bromophenyl)-1H-tetrazole 156 13 C NMR (APT), d) Q-TOF LC/HRMS of 5-(4- 3500 C:\OPUS_7.0.129\MEAS\.152 159 160 161 162 163 b) 3000 CU24CH3 Instrument type and / or accessory Page 1/1 2500 2000 Wavenumber cm-1 1612.17 1569.02 1503.61 1432.52 1402.87 1373.76 1285.00 1256.87 1215.00 1187.02 1162.30 1125.25 1085.01 1052.36 1025.65 1014.03 1711.71 1884.95 1993.98 2166.08 2119.03 80 90 100 158 2455.83 70 157 2679.76 2608.02 2541.80 3082.42 3044.98 2979.19 2916.11 2846.39 2767.13 60 Transmittance [%] 20 a) 5-(p-tolyl)-1H-tetrazole (X) 1500 1000 500 9/13/2014 21 164 c) 165 166 d) 167 168 Fig. 8. a) FT-IR, b) 1H NMR, c) 169 tetrazole 170 171 13 C NMR (APT), d) Q-TOF LC/HRMS of 5-(p-tolyl)-1H- C:\OPUS_7.0.129\MEAS\.143 174 175 176 177 178 b) 3500 3000 CU24ABN 2500 2000 Wavenumber cm-1 Instrument type and / or accessory Page 1/1 1500 1000 573.09 523.42 463.54 423.96 1446.87 1419.45 1369.98 1322.13 1290.79 1263.37 1178.02 1119.30 1037.22 1008.84 962.84 838.86 790.56 759.25 671.24 1645.70 1600.02 1544.64 2201.41 2151.11 2325.50 3132.05 3078.71 75 80 85 90 95 100 172 3264.79 70 173 3590.78 3744.36 65 Transmittance [%] 22 a) N-(4-(1H-tetrazol-5-yl)phenyl)acetamide (XI) 500 9/13/2014 23 179 c) 180 181 d) 182 183 Fig. 9. a) FT-IR, b) 1H NMR, c) 13C NMR (APT), d) Q-TOF LC/HRMS of N-(4-(1H-tetrazol- 184 5-yl)phenyl)acetamide 185 186 3500 C:\OPUS_7.0.129\MEAS\.144 189 190 191 192 193 b) 3000 CU23ABN 2500 2000 Wavenumber cm-1 Instrument type and / or accessory Page 1/1 1673.63 1649.86 1619.52 1595.10 1567.91 1502.95 1471.73 1420.65 1372.29 1321.13 1291.53 1263.43 1200.51 1171.23 1138.42 1084.72 1041.91 1015.90 70 75 80 85 90 95 100 188 2199.39 2142.04 65 187 3280.44 3230.79 3211.13 3178.21 3105.54 3064.89 3389.66 60 Transmittance [%] 24 a) N-(3-(1H-tetrazol-5-yl)phenyl)acetamide (XII) 1500 1000 500 9/13/2014 25 194 c) 195 196 d) 197 198 Fig. 10. a) FT-IR, b) 1H NMR, c) 199 tetrazol-5-yl)phenyl)acetamide 200 13 C NMR (APT), d) Q-TOF LC/HRMS of N-(3-(1H- References 26 201 Chand, P., Babu, Y. S., Bantia, S., Chu, N., Cole, L. B., Kotian, P. L., Laver, W. G., 202 Montgomery, J. A., Pathak, V. P., Petty, S. L., Shrout, D. P., Walsh, D. A., & Walsh, G. M. 203 (1997). Design and synthesis of benzoic acid derivatives as influenza neuraminidase 204 inhibitors using structure–based drug design. Journal of Medicinal Chemistry, 40, 4030– 205 4052. DOI: 10.1021/jm970479e. 206 Chermahini, A. N., Teimouri, A., & Moaddeli, A. (2011). Simple and efficient synthesis of 5– 207 substituted 1H-tetrazoles using metal–modified clay catalysts. Heteroatom Chemistry, 22, 208 168–173. DOI: 10.1002/hc.20672. 209 210 Cristiano, R., Ely, F., & Gallardo, H. (2005). Light–emitting bent–shape liquid crystals. Liquid Crystals, 32, 15–25. DOI: 10.1080/02678290412331329279. 211 Jin, T., Kitahara, F., Kamijo, S., & Yamamoto, Y. (2008). Copper–catalyzed synthesis of 5– 212 substituted 1H-tetrazoles via the [3+2] cycloaddition of nitriles and trimethylsilyl azide. 213 Tetrahedron Letters, 49, 2824–2827. DOI: 10.1016/j.tetlet.2008.02.115. 214 215 McManus, J. M., & Herbst, R. M. (1959). Tetrazole analogs of aminobenzoic acid derivatives. Journal of Organic Chemistry, 24, 1044–1046. DOI: 10.1021/jo01090a004. 216 Rama, V., Kanagaraj, K., & Pitchumani, K. (2011). Syntheses of 5-substituted 1H-tetrazoles 217 catalyzed by reusable CoY zeolite. Journal of Organic Chemistry, 76, 9090–9095. DOI: 218 10.1021/jo201261w. 219 Sreedhar, B., Suresh Kumar, A., & Yada, D. (2011). CuFe2O4 nanoparticles: a magnetically 220 recoverable and reusable catalyst for the synthesis of 5-substituted 1H-tetrazoles. 221 Tetrahedron Letters, 52, 3565–3569. DOI: 10.1016/j.tetlet.2011.04.094. 222 Zhu, Y., Ren, Y., & Cai, C. (2009). One-pot synthesis of 5-substituted 1H-tetrazoles from aryl 223 bromides with potassium hexakis(cyano–kC)ferrate(4–) (K4[Fe(CN)6]) as cyanide source. 224 Helvetica Chimica Acta, 92, 171–175. DOI: 10.1002/hlca.200800254. 225