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MS-NW-1240 D-(-)-panto-1,4-lactone C6H10O3 (Mass of molecular ion: 130)
Source Temperature: 260 °C Sample Temperature: 180 °C Reservoir, 75 eV
15.0 2.3 26.0 1.2 27.0 15.7 28.0 3.4 29.0 11.3 30.0 3.5 31.0 6.0 38.0 1.4 39.0 12.3 40.0 2.5 41.0 24.6 42.0 2.8 43.0 30.9 44.0 2.7 45.0 4.4 53.0 6.6 54.0 1.1 55.0 9.3 56.0 6.3 57.0 19.6 58.0 3.5 67.0 2.6 68.0 8.1 69.0 1.4 71.0 100.0 72.0 9.3 73.0 4.4 85.0 1.4 86.0 1.6
90 MHz in CDCl3
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1H NMR 89.56 MHz C6 H10 O3 0.047 g : 0.5 ml CDCl3 D-(-)-panto-1,4-lactone Assign. Shift(ppm)
A *1 4.169 B 4.003 C 3.98 D *1 3.622 E *2 1.230 F *2 1.084 J(A,D)=-4.4HZ
Hz ppm Int.
375.88 4.197 120 374.25 4.179 36 371.50 4.149 144 358.50 4.003 345 356.69 3.983 246 326.19 3.643 81 321.94 3.595 69 110.13 1.230 1000 97.13 1.085 819
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