Dimethyl (2-oxo-1,2-dihydro-1-pyridyl)fumarate

Parameter ppm Hz D(A) 6.53 D(B) 7.46 D(C) 6.26 D(D) 7.16 J(A,B) 9.1 J(A,C) 1.3 J(A,D) 0.9 J(B,C) 7.1 J(B,D) 1.9 J(C,D) 7.1 D(E) 7.04 D(F) 3.84 D(G) 3.71 ACESON,R.M. & TASKER,P.A. J.CHEM.SOC. C 1967, 1542 H(F) AND H(G) MAY BE REVERSED.

     Hz     ppm     Int.

   2247.17   7.491     41
   2245.30   7.484     42
   2240.07   7.467     44
   2238.13   7.460     85
   2236.20   7.454     47
   2230.96   7.437     45
   2229.10   7.430     47
   2152.98   7.177     50
   2152.11   7.174     55
   2151.09   7.170     53
   2150.21   7.167     49
   2145.88   7.153     54
   2145.04   7.150     58
   2143.98   7.147     55
   2143.11   7.144     51
   2111.99   7.040    333
   1964.58   6.549     54
   1963.46   6.545     77
   1962.40   6.541     55
   1955.48   6.518     51
   1954.35   6.514     70
   1953.30   6.511     51
   1885.66   6.286     48
   1884.39   6.281     47
   1878.55   6.262     92
   1877.29   6.258     89
   1871.45   6.238     44
   1870.19   6.234     43
   1152.02   3.840   1000
   1112.99   3.710   1000