作者:Edward M. Acton、Kenneth J. Ryan、David W. Henry、Leon Goodman
DOI:10.1039/c29710000986
日期:——
5-(tri-O-benzyl-β-D-ribofuranosyl)pyrazole-3,4-dicarboxylic acid gave the N-carboxy-anhydride of the 4-amino-3-acid the methyl ester of which, on heating in formamide followed by catalytic hydrogenolysis, gave formycinB.