22398-14-7

甲氧基亚甲基马来酸二甲酯(22398-14-7)质谱(MS)

产品名称:甲氧基亚甲基马来酸二甲酯

CAS:22398-14-7

分子式:C7H10O5

分子量: 174.15

InChI:InChI=1S/C7H10O5/c1-10-4-5(6(8)11-2)7(9)12-3/h4H,1-3H3

InChIKey: RHFZTBSULNJWEI-UHFFFAOYSA-N

Smiles:C(OC)(=O)/C(=C\OC)/C(OC)=O

Mass

MS-IW-9096          
dimethyl (methoxymethylene)malonate
C7H10O5             (Mass of molecular ion:    174)

   Source Temperature: 210 °C
   Sample Temperature: 150 °C
   Reservoir, 75 eV

      15.0      26.9
      18.0       3.6
      26.0       4.5
      27.0       5.2
      28.0      10.7
      29.0      13.5
      30.0       2.4
      31.0      12.8
      32.0       5.9
      33.0       2.5
      41.0       5.2
      42.0       3.2
      43.0       3.5
      44.0       7.6
      45.0       6.0
      47.0       8.6
      53.0      10.1
      54.0      15.5
      55.0      11.0
      56.0       6.1
      57.0       1.2
      59.0      38.6
      60.0       3.2
      68.0       1.1
      69.0       7.7
      70.0       1.4
      71.0       1.4
      74.0       2.8
      75.0     100.0
      76.0       3.5
      83.0       2.9
      84.0       3.9
      85.0       4.5
      87.0       1.0
      89.0       1.0
      99.0       1.6
     101.0       3.2
     110.0       3.2
     111.0       3.3
     112.0       4.9
     113.0       3.0
     114.0       2.2
     115.0       1.0
     127.0       2.8
     142.0       2.9
     143.0      94.6
     144.0       6.8
     145.0       8.8
     146.0       1.0
     159.0       3.8
     174.0      22.9
     175.0       2.5

400 MHz in CDCl3

¹H NMR	399.65 MHz
C₇ H₁₀ O₅	0.039 g : 0.5 ml CDCl₃
dimethyl (methoxymethylene)malonate

    Assign.     Shift(ppm)

      A             7.592
      B             3.991
      C     *1      3.807
      D     *1      3.758

     Hz     ppm     Int.

   3034.30   7.593    382
   1595.09   3.992    968
   1526.00   3.819     38
   1521.48   3.808   1000
   1506.10   3.769     35
   1502.20   3.759   1000
   1497.56   3.748     23

in CDCl3