Patent ID: 7674782

Claim:
A method for manufacturing a phosphorylcholine group-containing chemical compound, represented by the following formula (1) or (3): (CH 3 ) 3 N + CH 2 CH 2 PO 4 − CH 2 COOH (1) ((CH 3 ) 3 N + CH 2 CH 2 PO 4 − CH 2 COO 31 ) n M n+ (3) wherein M denotes a cation selected from the group consisting of alkali metal ions, alkali earth metal ions, and ammonium ion, and n denotes the valency of the cation, said method comprising: reacting 1 part glycerophosphorylcholine with 3 or more parts periodic acid and/or periodate, and a trivalent ruthenium compound, in an aqueous solution.