甲氧基亚甲基马来酸二甲酯

产品名称甲氧基亚甲基马来酸二甲酯

CAS号22398-14-7

分子式C7H10O5

分子量174.15

¹³CNMR

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

KBr disc

nujol mull

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