parameter in CDCl3
parameter in CF3COOH
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1H NMR 300 MHz C7 H7 N3 0.5 M in CDCl3 2-methylimidazo(1,2-a)pyrimidine 
Parameter ppm Hz
D(A) 7.403 D(B) 2.478 J(A,B) 0.86 D(C) 8.550 D(D) 6.817 D(E) 8.424 J(C,D) 6.75 J(C,E) 2.09 J(D,E) 4.16 MARCHETTI,L. ET AL. ORG.MAGN.RESON. 7, 455 (1975)
Hz ppm Int.2569.48 8.565 138 2567.46 8.558 153 2562.74 8.542 142 2560.71 8.536 157 2530.30 8.434 154 2528.22 8.427 144 2526.20 8.421 161 2524.12 8.414 141 2221.35 7.404 260 2220.51 7.402 260 2050.52 6.835 147 2046.36 6.821 147 2043.83 6.813 146 2039.67 6.799 140 743.84 2.479 1000 743.05 2.477 999
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1H NMR 300 MHz C7 H7 N3 0.5 M in CF3COOH 2-methylimidazo(1,2-a)pyrimidine 
Parameter ppm Hz
D(A) 7.923 D(B) 2.752 J(A,B) 0.52 D(C) 9.119 D(D) 7.727 D(E) 9.107 J(C,D) 7.19 J(C,E) 1.82 J(D,E) 4.15 MARCHETTI,L. ET AL. ORG.MAGN.RESON. 7, 455 (1975)
Hz ppm Int.2740.39 9.135 84 2738.61 9.129 157 2734.94 9.116 163 2733.16 9.111 126 2731.56 9.105 232 2730.67 9.102 228 2728.83 9.096 53 2377.10 7.924 261 2376.68 7.922 263 2323.76 7.746 120 2319.37 7.731 115 2316.82 7.723 114 2312.44 7.708 114 825.71 2.752 1000


