Process for the synthesis of ribonucleotide reductase inhibitors 3-AP and 3-AMP
 The present invention relates to improved, efficient chemical syntheses of 3-aminopyridine-2-carboxaldehyde thiosemicarbazone (3-AP) and 3-amino-4-methylpyridine-2-carboxaldehyde thiosemicarbazone (3-AMP). 
Vion Pharmaceuticals, Inc.
Y C C C
Y02P C07D C07D C07D
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Xiuyan Jun Shu-Hui Terrence W. ChuanSheng
Li Li Chen Doyle Niu