143268-69-3Relevant academic research and scientific papers
1,3-Dipolar Cycloaddition of Electrophilic Azides to Cyclic Ketene N,X-Acetals. - Extrusion of Molecular Nitrogen and Ring Expansion of the Cycloadducts
Quast, Helmut,Ach, Manfred,Peters, Eva-Maria,Peters, Karl,Schnering, Hans Georg von
, p. 1259 - 1270 (2007/10/02)
The electrophilic azides 2 react with cyclic ketene N,X-acetals of type 7, e.g. 13, 15, 18, 21, 23, 25, and with the alkylidenedihydroindoles 28 as well, to produce, besides molecular nitrogen, ring-expanded products of type 11 and 12, e.g. 14, 16, 19, 22
