38425-50-2Relevant articles and documents
Cycloadditions, 6 Intramolecular Diels-Alder Reaction of Allenecarboxanilides; Variation of the Residue Geminal to the Carboxamide Group
Henn, Lothar,Himbert, Gerhard,Diehl, Klaus,Kaftory, Menahem
, p. 1953 - 1963 (2007/10/02)
The 2,3-butadienanilides 6a-h, unsubstituted in the ω-position, are synthesized by the ynamine way and submitted to thermolysis.They isomerize without exception by intramolecular Diels-Alder reaction more or less quickly, irreversibly, and quantitatively