Novel Approach to 3,4-Dihydro-2(<sup>1</sup>H)-quinolinone Derivatives via Cyclopropane Ring Expansion
作者:Takayuki Tsuritani、Yuhei Yamamoto、Masashi Kawasaki、Toshiaki Mase
DOI:10.1021/ol802669r
日期:2009.3.5
N-(1′-Alkoxy)cyclopropyl-2-haloanilines are transformed to 3,4-dihydro-2(1H)-quinolinones via palladium-catalyzed cyclopropane ring expansion. The reaction tolerates a variety of functional groups such as ester, nitrile, ether, and ketone groups.
N-(1'-烷氧基)环丙基-2-卤代苯胺通过钯催化的环丙烷环扩环转化为3,4-二氢-2(1 H)-喹啉酮。该反应可耐受多种官能团,例如酯,腈,醚和酮基。