... Organic Preparations and Procedures International: The New Journal for Organic Synthesis. ... Typical Procedure for the Preparation of Ribavirin (4). A mixture of 1,2,3,5-tetra-O-acetyl-β-D- ribofuranose (47.1 g, 0.15 mol) and methyl 1,2,4-triazole-3-carboxylate (21.6 g, 0.17 ...