Patent ID: 7872156

Claim:
A fluorophosphite compound having the structure of formula (I): wherein Ar 1 and Ar 2 are each independently selected from aryl groups which are substituted or unsubstituted, and which contain 4 to 30 carbon atoms; R1 to R6 are each independently selected from H and alkyl cycloalkyl and aryl groups which are substituted or unsubstituted, and which contain 1 to 40 carbon atoms; and X is (i) a chemical bond directly between ring carbon atoms of each aromatic group, except when R1 to R4 are each methyl, (ii) a heteroatom selected from O, Si, and N, or (iii) a group having the formula wherein R13 and R14 are each independently selected from hydrogen and alkyl or aryl having 1 to 10 carbon atoms.