Copper-Catalyzed Tandem CN Bond Formation: An Efficient Annulative Synthesis of Functionalized Cinnolines
作者:Catherine J. Ball、Jeremy Gilmore、Michael C. Willis
DOI:10.1002/anie.201201529
日期:2012.6.4
Cinn‐tillating synthesis: The combination of a readily available copper catalyst, a simple hydrazide nucleophile, and established difunctionalized building blocks provides a new, flexible route to an under‐developed class of aromatic heterocycles, cinnolines (see scheme).