119787-97-2Relevant articles and documents
Cycloadditions, 15. - Influence of Substituents in p-, m-, and o-Position of the Arene onto the Intramolecular Diels-Alder Reaction of Allenecarboxylic Acid Anilides and Phenyl Esters
Himbert, Gerhard,Fink, Dieter,Diehl, Klaus,Rademacher, Paul,Bittner, Andreas J.
, p. 1161 - 1174 (2007/10/02)
The ylides 3 and 8 (synthesized via the bromoacetic acid amides 1 and -esters 6 and via the phosphonium bromides 2 and 7) react with ketene to give the allenecarboxanilides 4 and the phenyl allenecarboxylates 9.Thermolysis in boiling xylene of all derivat