abstract |
THIS INVENTION COVERS ANHYDRIDES OF ORGANO (ALKYLIDENE PHOSPHONYL) PHOSPHINE OXIDES SUCH AS TRIS(ALKYLIDENE PHOSPHONYL) PHOSPHINE OXIDE ANHYDRIDE HAVING THE FORMULA 1,3,5,7-TETRA(O=),4,6,9-TRI(Y-),4,6,9-TRI(X-)-2,8,10- TRIOXA-1,3,5,7-TETRAPHOSPHAADAMANTANE |