SUPPORTING INFORMATION MICHAEL LARTEY, MARTIJN GILLISEN, BRIAN J. ADZIMA, KENICHI TAKIZAWA, DAVID R. LUEBKE, HUNAID B. NULWALA SYNTHESIS AND REACTIVITY RATIOS OF REGIOISOMERIC VINYL-1,2,3-TRIAZOLES WITH STYRENE General synthesis of monomers Unless otherwise stated, ACS reagent grade chemicals and solvents were purchased from Sigma Aldrich and used without further purification. All azides,1 Cp*RuCl(PPh2)3,2 But-3-ynyl methanesulfonate,3 Vinyl triazoles3,4 (and their respective intermediates) were synthesized according to reported procedures. SCHEME S1 Synthesis of 1-substituted-4-vinyl triazoles SCHEME S2 Synthesis of 1-substituted-5-vinyl triazoles But-3-ynylmethanesulfonate: 1H NMR (200 MHz, CDCl3, ):4.23 (t, J = 6.6 Hz, OCH2CH2, 2H), 3.00 (s, CH3S, 3H), 2.59 (dt, J = 6.6, 2.6 Hz, OCH2CH2C≡CH, 2H), 2.05 (t, J = 2.6 Hz, CH2C≡CH, 1H). 13C NMR (CDCl3, ): 78.83 (CH2C≡CH, 1C), 71.03 (CH2C≡CH, 1C), 67.36 (OCH2CH2, 1C), 37.50 (SCH3, 1C), 19.63 (OCH2CH2, 1C). HRMS (ESI MS, m/z):[M]+calcd. for C5H8N3O3S:148.02; found [M+H]+: 149.04. 2-(1-Octyl-1H-1,2,3-triazol-4-yl)ethanol (1a):1H NMR (200 MHz, CDCl3, ): 7.36 (s, triazole H, 1H), 4.32(t, J= 7.3 Hz, NCH2, 2H), 3.95 (t, J = 5.9 Hz, OCH2CH2, 2H), 2.95 (t, J = 5.8 Hz, OCH2CH2, 2H), 1.89 (m, OH, NCH2CH2, 3H), 1.28 (m, NCH2CH2[CH2]5CH3, 10H), 0.88 (m, N[CH2]7CH3, 3H).13C NMR (CDCl3, ): 145.65 (NCH=C, 1C), 121.52 (NCH=C, 1C), 61.79 (OCH2CH2, 1C), 50.45 (NCH2, 1C), 31.86 (N[CH2]5CH2, 1C), 30.46 (NCH2CH2, 1C), 29.19 (N[CH2]3CH2, 1C), 29.12 (N[CH2]4CH2, 1C), 28.87 (OCH2CH2, 1C), 26.67 (N[CH2]2CH2, 1 1C), 22.75 (N[CH2]6CH2, 1C), 14.22 (N[CH2]7CH3, 1C). HRMS (ESI MS, m/z): [M]+ calcd. for C12H23N3O:225.18; found: 225.18. 2-(1-Benzyl-1H-1,2,3-triazol-4-yl)ethanol (2a): 1H NMR (200 MHz, CDCl3, ): 7.39-7.27 (m, ArH, 6H), 5.50(s, PhCH2N, 2H), 3.93 (t, J = 6.0 Hz, OCH2CH2, 2H), 2.92 (t, J = 6.0 Hz, OCH2CH2, 2H), 2.60 (s, OH,1H). 13 C NMR (CDCl3, ):145.88, 134.74, 129.05, 128.66, 128.04, 121.76, 61.32, 54.02, 28.82. FAB (MS, m/z)[M]+calcd. for C11H13N3O: 203.11; found [M+Na]+: 226.10. 2-(1-Octyl-1H-1,2,3-triazol-4-yl)ethyl methanesulfonate (1b):1H NMR (200 MHz, CDCl3, ): 7.43 (s, triazole H, 1H), 4.53 (t, J = 6.4 Hz, OCH2CH2, 2H), 4.33 (t, J = 7.3 Hz,NCH2, 2H), 3.19 (t, J = 6.4 Hz, OCH2CH2, 2H), 2.97 (s, SCH3, 3H), 1.89 (m, NCH2CH2, 2H), 1.26 (m, NCH2CH2[CH2]5CH3, 10H), 0.88 (m, N[CH2]7CH3, 3H). 2-(1-Benzyl-1H-1,2,3-triazol-4-yl)ethyl methanesulfonate (2b):1H NMR (200 MHz, CDCl3, ): 7.417.23(m, ArH, 6H), 5.51 (s,NCH2, 2H), 4.50 (t, J = 6.4 Hz, OCH2CH2, 2H), 3.15 (t, J = 6.4 Hz, OCH2CH2, 2H), 2.90 (s, SCH3, 3H). 13C NMR (CDCl3, ): 143.27 (NCH=C, 1C), 134.75 (ArC, 1C), 129.30 (NCH=C, 1C), 128.96 (o-Ar, 2C), 128.20 (m-Ar, 2C), 122.26 (p-Ar, 1C), 68.77 (OCH2CH2, 1C), 54.34 (NCH2, 1C), 37.43 (SCH3, 1C), 26.21 (OCH2CH2, 1C). HRMS (ESIMS m/z)[M]+calcd.for C12H15N3O3S: 281.08; found [M+H]+: 282.09. 1-Octyl-4-vinyl-1H-1,2,3-triazole (1):1H NMR (200 MHz, CDCl3, ): 7.49 (s, triazole H, 1H), 6.74 (dd, J = 17.8, 11.2 Hz, CH2=CH, 1H), 5.86 (dd, J = 17.8, 1.2 Hz,trans CH2=CH, 1H), 5.32 (dd, J = 11.2, 1.4 Hz,cis CH2=CH, 1H), 4.33 (t, J = 7.2 Hz, NCH2CH2, 2H), 1.89 (m, NCH2CH2, 2H), 1.27 (m, NCH2CH2[CH2]5CH3, 10H), 0.87 (t, J = 6.9 Hz, , N[CH2]7CH3, 3H). 13C NMR (CDCl3, ): 146.65 (NCH=C, 1C), 126.09 (CH=CH2, 1C), 120.29 (NCH=C, 1C), 116.13 (CH=CH2, 1C), 50.63 (NCH2, 1C), 32.01 (NCH2CH2, 1C), 30.63 (N[CH2]2CH2, 1C), 29.35 (N[CH2]3CH2, 1C), 29.27 (N[CH2]4CH2, 1C), 26.78 (N[CH2]5CH2, 1C), 22.91 (N[CH2]6CH2, 1C), 14.45 (N[CH2]7CH3, 1C). HRMS (ESI MSm/z) [M]+calcd.for C12H21N3: 207.17; found [M+H]+: 208.18. IR (ATR): ν (cm-1) 3126, 2896, 2856, 1725, 1644, 1542, 1458, 1437, 1377, 1224, 1141, 1050, 1028. 1-Benzyl-4-vinyl-1H-1,2,3-triazole (2): 1H NMR (200 MHz, CDCl3, ): 7.39-7.24 (s, ArH, triazoleH, 6H), 6.69 (dd, J = 17.8, 11.2 Hz, CH=CH2, 1H), 5.85 (dd, J = 17.8, 1.2 Hz,trans CH=CH2, 1H), 5.51 (s, NCH2, 2H), 5.30 (dd, J = 11.2, 1.0 Hz,cis CH=CH2, 1H). 13C NMR (CDCl3, ): 146.98 (NCH=C, 1C), 134.80 (Ar, NCH2C, 1C), 129.31 (o-Ar, 2C), 128.95 (CH=CH2, 1C), 128.23 (m-Ar, 2C), 125.78 (p-Ar, 1C), 120.28 (CH=CH2, 1C), 116.04 (NCH=CH2, 1C), 54.29 (NCH2, 1C). HRMS(ESI MS m/z) [M]+calcd. for C11H11N3: 185.10; found [M+H]+: 186.10. IR (ATR): ν (cm-1) 3120, 3104, 3063, 3033, 2950, 1635, 1586, 1540, 1495, 1455, 1400, 1355, 1340. 1328, 1311, 1276, 1205, 1220, 1205, 1158, 1125, 1075, 1061, 1050, 1028, 1007. 2-(1-Octyl-1H-1,2,3-triazol-5-yl)ethyl methanesulfonate (4a):1H NMR (200 MHz, CDCl3, ): 7.57 (s, triazoleH, 1H), 4.45 (t, J = 6.54 Hz, OCH2CH2, 2H), 4.28 (t, J = 7.33 Hz, NCH2CH2, 2H), 3.14 (t, J = 6.11 Hz, OCH2CH2, 2H), 1.78 - 1.98 (m, NCH2CH2, 2H), 2.99 (s, SCH3, 3H), 1.22 - 1.38 (m, NCH2CH2[CH2]5CH3, 10H), 0.87 (t, J = 6.32 Hz, N[CH2]7CH3, 3H); HRMS (ESI MS m/z)[M]+calcd.for C12H21N3: 303.42; found [M+H]+: 304.20. 2-(1-Benzyl-1H-1,2,3-triazol-5-yl)ethyl methanesulfonate (5a): 1H NMR (200MHz, CDCl3, ): 7.48 (s, triazole H, 1H), 7.24 - 7.43 (m, 4H), 7.03 - 7.24 (m, 5H), 4.43 - 4.63 (m, 4H), 4.08 (s, NCH2, 2H), 2.87 (s, SCH3, 3H). 1-Octyl-5-vinyl-1H-1,2,3-triazole (4):1H NMR (200 MHz, CDCl3, ): 7.73 (s, triazole H, 1H), 6.52 (dd, J = 17.6, 11.2 Hz, CH2=CH, 1H), 5.77 (dd, J = 17.6, 0.9 Hz, trans CH2=CH, 1H), 5.50 (dd, J = 11.2, 0.9 Hz, cis CH2=CH, 1H), 4.29 (t, J = 7.3 Hz, NCH2CH2, 2H), 1.82 (t, J = 7.0 Hz, NCH2CH2, 2H), 1.04 - 1.43 2 (m,NCH2CH2[CH2]5CH3, 10H), 0.73 - 0.98 (m, N[CH2]7CH3, 3H). 13C NMR (CDCl3, ): 135.7 (CH=CH2, 1C), 131.7 (NCH=C, 1C), 121.1 (NCH=C, 1C), 120.6 (CH2=CH, 48.7 (NCH2, 1C), 32.2 (NCH2CH2, 1C), 30.7 (N[CH2]2CH2, 1C), 29.6 (N[CH2]3CH2, 1C), 29.5 (N[CH2]4CH2, 1C), 27.0 (N[CH2]5CH2, 1C), 23.1 (N[CH2]6CH2, 1C), 14.3 (N[CH2]7CH3, 1C); HRMS (ESI MSm/z) [M]+calcd. for C12H21N3: 207.17; found [M+H]+: 208.18. IR (ATR): ν (cm-1) 2925, 2856, 1633, 1540, 1465, 1377, 1308, 1222, 1120, 1084, 1043, 974, 919, 824, 771, 723. 1-Benzyl-5-vinyl-1H-1,2,3-triazole (5): 1H NMR (200 MHz, CDCl3, ): 7.80 (s, 1H), 7.09 - 7.41 (m, Ar H, 5H), 6.45 (dd, CH2=CH, 1H), 5.73 (d, J = 17.43 Hz, trans CH2=CH, 1H), 5.57 (s, NCH2, 2H), 5.44 (d, J = 11.87 Hz, cis CH2=CH, 1H). 13C NMR (CDCl3, ): 135.43 (NCH=C, 1C), 134.70 (Ar, NCH2C, 1C), 131.33 (o-Ar, 2C), 128.80 (CH=CH2, 1C), 128.16 (m-Ar, 2C), 126.82 (p-Ar, 1C), 120.42 (CH=CH2, 1C) 120.19 (NCH=C, 1C), 51.64 (NCH2, 1C). HRMS (ESI MSm/z)[M]+calcd.for C11H11N3: 185.10; found [M+H]+: 186.11. IR (ATR): ν (cm-1) 3125, 3027, 3033, 3067, 2981, 2953, 1952, 1866, 1710, 1633, 1585, 1539, 1493, 1455, 1439, 1408, 1361, 1329, 1308, 1295, 1278, 1218, 1173, 1125, 1104, 1074, 1048, 1029, 1002, 977, 932. FIGURE S1 Set up for the synthesis of 1-Methyl-4-vinyl-1,2,3-1H-triazole (3) Reactivity ratio determination Reactivity ratios were determined by NLLS with curve fitting of the Mayo-Lewis5 equation (Eq.S1) using Microcal Origin. F1 r1 1 f1 2 f1 r1 r2 2 f1 2 2 2r2 f1 r2 (S1) where: F1 = calculated mole fraction of monomer 1 in the polymer f1= mole fraction of monomer 1 in the feed r1 = reactivity ratio of monomer 1 r2 = reactivity ratio of monomer 2 3 The joint confidence intervals were calculated using the method previously described by Tidwell and Mortimer6 and the Maplesoft Maple 11 software package using eq.S2. ss r1 , r2 F1,det,i F1,calc,i n i 1 (S2) where: ss(r1,r2) = sum of squares value F1,det,i = determined value of F1 for data point i F1,calc,i = calculated value of F1 for data point i ss JCI ss min 1 np p F p, n p (3) where: ssJCI= ss value at the joint confidence intervals (JCI) ssmin = the ss value at the minimum Fα(p,n-p) = the value of the F distribution for p and n-p at confidence level α p = the number of parameters n = the number of data points By taking the contour of ss(r1,r2) at ssJCI, the joint confidence intervals were plotted to give a 95% joint confidence interval. TABLE S1 Experimental results of reactivity ratio for 1,4-Vinyl-1,2,3-triazole monomers. Fs and fs represent the mole fractions of the monomer in polymer and feed respectively. Conversion (Conv.) refers to mass percent yield of polymer measured by gravimetric analysis. 1-Octyl-4-vinyl-1,2,3-triazole (1) 1-Benzyl-4-vinyl-1,2,3triazole (2) 1-Methyl-4-vinyl-1,2,3triazole (3) fs Fs Conv. fs Fs Conv. fs Fs Conv. 0.090 0.134 2.39 0.100 0.192 11.48 0.105 0.114 15.23 0.183 0.308 4.79 0.201 0.300 7.12 0.222 0.241 14.12 0.277 0.425 12.26 0.300 0.426 4.59 0.326 0.346 13.50 0.374 0.531 9.64 0.400 0.554 2.62 0.405 0.407 10.23 0.472 0.640 6.45 0.501 0.648 3.43 0.509 0.505 9.13 0.573 0.720 8.38 0.600 0.725 4.21 0.622 0.610 10.87 0.676 0.804 1.96 0.700 0.805 2.45 0.688 0.692 11.12 0.782 0.874 9.43 0.800 0.866 0.43 0.789 0.794 15.97 0.890 0.924 8.19 0.901 0.896 2.25 0.904 0.885 7.91 TABLE S2 Experimental results of reactivity ratio for 1,5-Vinyl-1,2,3-triazole monomers. 4 1-Octyl-5-vinyl-1,2,3-triazole (4) 1-Benzyl-5-vinyl-1,2,3-triazole (5) fs Fs Conv. fs Fs Conv. 0.100 0.069 6.82 0.142 0.238 17.74 0.203 0.220 3.11 0.219 0.354 2.27 0.302 0.312 2.69 0.306 0.356 7.45 0.405 0.362 4.63 0.390 0.369 11.92 0.500 0.433 7.69 0.493 0.388 3.56 0.600 0.445 13.22 0.599 0.515 14.26 0.701 0.532 9.16 0.697 0.554 9.11 0.798 0.536 9.02 0.800 0.637 12.11 0.899 0.661 5.04 0.900 0.917 8.82 REFERENCES 1. 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