Free accessResearch articleFirst published online 2006-4
Synthesis of Polyfunctional Ketenimines and 1-Azadienes use of Tert -Butyl Isocyanide and Acetylenic Esters in the Presence of 3-Chloropentane-2,4-Dione
The 1:1 reactive intermediate generated by the addition of tert-butyl isocyanide to dialkyl acetylenedicarboxylates was trapped by 3-chloropentane-2, 4-dione to yield polyfunctionalised ketenimines and 1-azadienes.
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