Photochemistry of fluorophenyl azides in diethylamine. Nitrene reaction versus ring expansion
作者:Elisa Leyva、Rubén Sagredo
DOI:10.1016/s0040-4020(98)00403-7
日期:1998.6
6-difluorophenyl azides gave hydrazines as the major products. On the other hand, several mono- and difluorophenyl azides gave azepines under similar conditions. Ortho-fluoro singlet phenyl nitrene produces the azirine by ring closure away from the substituent.
在室温下,用
二乙胺将几种
氟苯基
叠氮化物光解。五
氟和2,6-二
氟苯基
叠氮化物以
肼为主要产物。另一方面,几种单和二
氟苯基
叠氮化物在相似的条件下得到了氮杂。邻
氟单线态苯基氮烯通过与取代基闭环来产生
叠氮基。