The Reaction of Huisgen Zwitterion with Diaryl-1,2-diones and Ketones: An Efficient Protocol for Carbon-Nitrogen Bond Formation
作者:Vijay Nair、A. Biju、Smitha Mathew
DOI:10.1055/s-2007-965910
日期:2007.3
The reaction of Huisgen zwitterion, derived from triphenylphosphine and dialkyl azodicarboxylate, with diaryl-1,2-diones afforded N,N-dicarboalkoxy monohydrazones via a mechanistically novel rearrangement. Cyclic and acyclic ketones furnished vinyl hydrazinedicarboxylates under similar conditions.