400 MHz in CDCl3
90 MHz in CDCl3
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1H NMR 399.65 MHz C12 H22 O6 0.05 ml : 0.5 ml CDCl3 dibutyl D-tartrate 
Assign. Shift(ppm)
A 4.544 B *1 4.27 C *1 4.25 D 3.50 E 1.673 F 1.405 G 0.944 J(B,C)=10.7HZ. J(E,B)=J(E,C)=6.7HZ.
Hz ppm Int.1816.16 4.545 569 1713.62 4.288 47 1709.59 4.278 148 1707.03 4.272 171 1702.88 4.261 298 1700.32 4.255 307 1696.17 4.245 175 1693.73 4.239 155 1689.58 4.228 44 1398.68 3.500 67 683.47 1.711 66 676.51 1.693 168 673.83 1.687 66 669.43 1.676 209 667.24 1.670 128 661.62 1.656 196 654.91 1.639 88 580.32 1.453 45 572.88 1.434 141 567.14 1.420 86 565.31 1.415 209 559.81 1.401 92 557.74 1.396 219 552.49 1.383 47 550.42 1.378 141 543.09 1.359 43 384.64 0.963 506 377.20 0.944 1000 369.87 0.926 465
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1H NMR 89.56 MHz C12 H22 O6 9.8 mol% in CDCl3 dibutyl D-tartrate Assign. Shift(ppm)
A 0.95 B 1.38 C 1.64 D 3.65 E 4.25 F 4.540
Hz ppm Int.406.56 4.540 1000 387.13 4.323 213 380.75 4.252 546 374.31 4.180 313 326.63 3.648 779 158.50 1.770 52 156.81 1.751 83 154.19 1.722 56 152.75 1.706 48 150.31 1.679 166 148.19 1.655 111 144.13 1.610 157 143.25 1.600 173 140.25 1.566 85 137.63 1.537 113 136.81 1.528 115 135.81 1.517 134 135.25 1.511 128 133.63 1.493 52 131.13 1.465 99 129.50 1.446 137 127.81 1.428 142 126.19 1.409 58 123.88 1.384 118 121.00 1.352 135 119.56 1.335 72 117.50 1.312 56 114.50 1.279 120 113.38 1.266 67 107.94 1.206 56 90.69 1.013 337 86.88 0.971 48 84.31 0.942 691 82.81 0.925 263 78.00 0.871 114 76.88 0.859 145 74.94 0.837 78
in CDCl3
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