Synthesis of Spirodienones by Intramolecular Ipso-Cyclization of <i>N</i>-Methoxy-(4-halogenophenyl)amides Using [Hydroxy(tosyloxy)iodo]benzene in Trifluoroethanol
作者:Etsuko Miyazawa、Takeshi Sakamoto、Yasuo Kikugawa
DOI:10.1021/jo034318w
日期:2003.6.1
Spirodienones bearing the 1-azaspiro[4.5]decane ring system have been synthesized from N-methoxy-(4-halogenophenyl)amides by the intramolecular ipso attack of a nitrenium ion generated with [hydroxy(tosyloxy)iodo]benzene in trifluoroethanol.
由N-甲氧基-(4-卤代苯基)酰胺通过三氟乙醇中由[羟基(甲苯磺酰氧基)碘]苯产生的nitr离子的分子内ipso攻击,由N-甲氧基-(4-卤代苯基)酰胺合成了带有1-azaspiro [4.5]癸烷环系统的螺环烯酮。