Light‐Induced Metal‐Free Generation of Cyanocarbenes from Alkynyl Triazenes for the Synthesis of Nitrile Derivatives
作者:Elena Michel、Fabian F. Grieser、Alexandra V. Mackenroth、Michael Schukin、Petra Krämer、Shaista Tahir、Frank Rominger、Matthias Rudolph、A. Stephen K. Hashmi
DOI:10.1002/anie.202309274
日期:2023.10.16
Photoactivation of alkynyl triazenes using different light sources induced an unusual cleavage of the triazene moiety leading to a methylene nitrile. By varying the reaction conditions, a cyanocarbene and a variety of substitution patterns bearing a nitrile group become selectively available under mild and metal-free conditions without the use of a toxic cyanating agent or the need for unstable substrates