(4S)-4β,5β-Dimethyl-1,3-dioxolane-2-one

    Parameter     ppm  Hz

      D(A)         5.840
      D(B)         1.374
       J(A,A')         7.35
       J(A,B)          6.55
       J(A,B')        -0.15
       J(A',B)        -0.15
       J(A',B')        6.55
       J(B,B')         0.0
     
     ANET,F.A.L. J.AM.CHEM.SOC. 84, 747 (1962)