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  1. Radical 5-exo cyclization of alkynoates with 2-oxoacetic acids for synthesis of 3-acylcoumarins
  2. Copper-catalyzed synthesis of aryldiazo sulfones from arylhydrazines and sulfonyl chlorides under mild conditions
  3. Generation of 1-amino-isoquinoline-N-oxides via a tandem reaction of 2-alkynylbenzaldoxime with secondary amines in the presence of silver(i) and copper(i)