2-Fluoro-1,3,2-dioxaphospholane

    Parameter     ppm  Hz

      D(A)  *1     3.58
      D(B)  *1     3.80
      D(M)       124.
       J(A,A')         7.6
       J(A,B)         -8.6
       J(A,B')         6.7
       J(A,M)          9.0
       J(A,X)          2.1
       J(A',B)         6.7
       J(A',B')       -8.6
       J(A',M)         9.0
       J(A',X)         2.1
       J(B,B')         7.6
       J(B,M)          2.0
       J(B,X)          1.6
       J(B',M)         2.0
       J(B',X)         1.6
       J(M,X)      -1226.
     
     ALBRAND,J.-P. ET AL. ORG.MAGN.RESON. 3, 75 (1971)
     P-31 REFERENCE : 85% H3PO4 EXTERNAL.