2 naphthol utilized in step b wherein the amount of 2 naphthol utilized is in the range of about 3 6 to about 4 g yet another embodiment of the present invention relates to the activator utilized in step b wherein the activator is selected from dicyclohexyl carbodiimide dcc and n 3 dimethylaminopropyl n u2032 ethyl carbodiimide hydrochloride edc still another embodiment of the present invention relates to the activator utilized in step b wherein the activator used is dcc one more embodiment of the present invention relates to the amount of activator utilized in step b wherein the amount of activator used is in the range of about 2 to about 5 g one more embodiment of the present invention relates to the amount of activator utilized in step b wherein the amount of activator is in the range of about 3 6 to about 4 g another embodiment of the present invention relates to base utilized in step b wherein the base is selected from dimethyl amino pyridine dmap or triethyl amine tea yet another embodiment of the present invention relates to the amount of base utilized in step b wherein the amount of base used is in the range of about 25 to about 60 g yet another embodiment of the present invention relates to the amount of base utilized in step b wherein the amount of base is in.