Elusive ethynyl azides: trapping by 1,3-dipolar cycloaddition and decomposition to cyanocarbenes.
Although they decompose rapidly to produce cyanocarbenes, ethynyl azides were generated from (chloroethynyl)arenes and trapped for the first time by 1,3-dipolar cycloaddition at cyclooctyne.
Banert
Klaus
K
Chemnitz University of Technology, Organic Chemistry, Strasse der Nationen 62, 09111 Chemnitz, Germany. klaus.banert@chemie.tu-chemnitz.de
Hagedorn
Manfred
M
Wutke
Jens
J
Ecorchard
Petra
P
Schaarschmidt
Dieter
D
Lang
Heinrich
H