丁炔二酸二甲酯(762-42-5)核磁图(1HNMR)
InChI:InChI=1S/C6H6O4/c1-9-5(7)3-4-6(8)10-2/h1-2H3
InChIKey: VHILMKFSCRWWIJ-UHFFFAOYSA-N
Smiles:C(OC)(=O)C#CC(OC)=O
-
Mass
MS-NW-1338
dimethyl acetylenedicarboxylate
C6H6O4 (Mass of molecular ion: 142)
Source Temperature: 260 °C
Sample Temperature: 180 °C
Reservoir, 75 eV
15.0 23.9
24.0 2.2
25.0 1.7
26.0 1.6
27.0 1.8
28.0 4.4
29.0 8.9
30.0 2.3
31.0 2.3
37.0 1.1
38.0 2.1
39.0 36.9
40.0 1.6
45.0 1.7
52.0 14.3
53.0 6.5
54.0 1.2
59.0 15.0
66.0 2.4
68.0 1.4
69.0 4.6
80.0 9.5
81.0 1.5
82.0 3.2
83.0 4.1
84.0 5.7
85.0 1.3
98.0 8.0
111.0 100.0
112.0 16.4
113.0 3.6
142.0 1.4
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| 1H NMR |
300 MHz |
| C6 H6 O4
|
0.04 ml : 0.5 ml CDCl3
|
| dimethyl acetylenedicarboxylate
|
 |
Parameter ppm Hz
D(A) 3.851
|
Hz ppm Int.
1155.30 3.851 1000