Aryloxy Radicals from Diaryloxydiazirines: α-Cleavage of Diaryloxycarbenes or Excited Diazirines?
作者:Jean-Marie Fedé、Steffen Jockusch、Nan Lin、Robert A. Moss、Nicholas J. Turro
DOI:10.1021/ol030123z
日期:2003.12.1
The synthesis of diaryloxydiazirines, precursors to diaryloxycarbenes, is described. Thermolyses of the diazirines afford anticipated carbene products, but photolyses afford both carbenes and aryloxy radicals by alpha-scission. UV spectra of the carbenes and radicals are observed. [reaction: see text]
描述了二芳基氧基二嗪,二芳基氧基卡宾的前体的合成。对重氮嗪进行热解可以得到预期的卡宾产物,但是通过α-分裂,光解可以同时提供羧苄基和芳氧基基团。观察到卡宾和自由基的紫外光谱。[反应:看文字]