1: 63 percent / H2O / 888 h / 35 °C / purine nucleoside phosphorylase, uridine phosphorylase, K2HPO4, NaN3 2: 1.) Dowex 1-X8 (HCO3-form) / 1.) methanol, heating, 2.) 24 deg C, 20 h View Scheme

1: 63 percent / H2O / 888 h / 35 °C / purine nucleoside phosphorylase, uridine phosphorylase, K2HPO4, NaN3 2: 1.) Dowex 1-X8 (HCO3-form) / 1.) methanol, heating, 2.) 24 deg C, 20 h View Scheme

Dowex 1-X8 (HCO3-form) 1.) methanol, heating, 2.) 24 deg C, 20 h; Yield given. Multistep reaction;