Reaction of diaryl-1,2-diones with triphenylphosphine and diethyl azodicarboxylate leading to N,N-dicarboethoxy monohydrazones via a novel rearrangement
Novel pyridine-catalyzed reaction of dimethyl acetylenedicarboxylate with aldehydes and N-tosylimines: Efficient synthesis of 2-benzoylfumarates and 1-azadienes
A novel reaction of the "Huisgen zwitterion" with chalcones and dienones: An efficient strategy for the synthesis of pyrazoline and pyrazolopyridazine derivatives