phenol phenyl methanol phenyl ethanol benzoic acid phenyl acetic acid phthalatic acid hydroxyl benzoic acid aniline benzyl amine amino phenol amino phenyl sulfonic acid amino phenol sulfonic acid hydroxyl methyl aniline hydroxyl ethyl aniline amino benzoic acid naphthol 2 6 dihydroxy naphthalene naphthyl formic acid naphthyl diformic acid naphthyl amine naphthyl diamine amino naphthol amino naphthyl sulfonic acid amino naphthyl phenol sulfonic acid hydroxyl methyl naphthyl amine hydroxyl ethyl naphthyl amine and amino naphthyl formic acid beside the above aryl compounds the phosphorus containing compound according to the invention can be prepared through the use of the following aryl compounds including 4 hydroxyl diphenyl 4 4 u2032 dihydroxyl diphenyl 4 carboxyl diphenyl 4 4 u2032 dicarboxyl diphenyl 2 2 bi 4 hydroxyl phenyl propane 2 3 hydroxyl phenyl 2 4 u2032 hydroxyl phenyl propane bi 4 hydroxyl phenyl methane 2 2 bi 4 carboxyl phenyl propane 2 3 carboxyl phenyl 2 4 u2032 carboxyl phenyl propane bi 4 carboxyl phenyl methane 4 hydroxyl phenyl ether bi 2 hydroxyl benzene ether bi 3 hydroxyl benzene ether bi 4 hydroxyl benzene ether 4 carboxyl phenyl ether bi 2 carboxyl benzene ether bi 3 carboxyl benzene ether bi 4 carboxyl benzene ether 4 hydrozyl dibenzyl ketone bi 2 hydroxyl benzene methyl ketone bi 3 hydroxyl benzene methyl ketone bi 4 hydroxyl benzene methyl ketone 4 carboxyl dibenzyl ketone bi 2 carboxyl benzene methyl ketone bi 3 carboxyl benzene methyl ketone bi 4.