Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
|
Reaction conditions: N-tosylhydrazones (0.65 mmol, generated in situ from aldehyde 1 and TsNHNH2), ethyl acrylate 2a (0.50 mmol), CuCl2 (10 mol%), TMEDA (0.75 mmol), and TBN (2.0 mmol) in 4.0 mL THF at 65 °C for 24 h under air atmosphere. For details, see the ESI.
