Patent ID: 8067440

Claim:
A method for using a compound of formula (I): wherein A is selected from the group consisting of furyl, phenyl, pyridyl, naphthyl, and thiophenyl; and R 1 is selected from the group consisting of a hydrogen atom, a halogen atom, —OH, —SH, —OMe, —SMe, —SPh, C 1 -C 6 alkoxy, C 1 -C 8 alkyl, C 2 -C 8 alkenyl, C 2 -C 8 alkynyl, C 2 -C 8 alkenyl, C 1 -C 6 aminoalkyl, C 6 -C 20 aralkyl, C 6 -C 12 aryl, C 3 -C 8 cycloalkyl, C 1 -C 12 heteroaryl, C 1 -C 12 heterocyclyl, and C 1 -C 6 hydroxyalkyl comprising the step of attaching a molecule to the phosphorus atom of said compound of formula (I) so as to control the solubility of said molecule.