1: rabbit serum, phosphatebuffered saline, aq. NaOH, pH 7.2 / dimethylsulfoxide; H2O / 72 h / 37 °C 2: rabbit serum, phosphatebuffered saline, aq. NaOH, pH 7.2 / dimethylsulfoxide; H2O / 72 h / 37 °C View Scheme

sodium hydroxide; phosphatebuffered saline; rabbit serum in water; dimethyl sulfoxide T=37°C; 72 h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;

in N,N,N',N',N'',N''-hexamethylphosphoric triamide; water 168 h; Irradiation;