Palladium-Catalyzed [4+2] Annulation of Aryl and Alkenyl Carboxamides with 1,3-Dienes via C–H Functionalization: Synthesis of 3,4-Dihydroisoquinolones and 5,6-Dihydropyridinones
作者:Manman Sun、Jinshan Li、Weida Chen、Haijian Wu、Jianguo Yang、Zhiming Wang
DOI:10.1055/s-0039-1690219
日期:2020.4
Palladium-catalyzed [4+2] annulation of aryl and alkenyl carboxamides with 1,3-dienes via C–H functionalization is developed using air as the terminal oxidant. The method demonstrates good functional group tolerance and high stereoselectivity, affording a series of 3,4-dihydroisoquinolones and 5,6-dihydropyridinones in yields of up to 99%. Palladium-catalyzed [4+2] annulation of aryl and alkenyl carboxamides
抽象的 使用空气作为末端氧化剂,开发了钯通过C–H功能化与1,3-二烯催化的[4 + 2]芳基和烯基羧酰胺环化反应。该方法显示出良好的官能团耐受性和高立体选择性,提供了一系列3,4-二氢异喹诺酮和5,6-二氢吡啶酮,收率高达99%。 使用空气作为末端氧化剂,开发了钯通过C–H功能化与1,3-二烯催化的[4 + 2]芳基和烯基羧酰胺环化反应。该方法显示出良好的官能团耐受性和高立体选择性,提供了一系列3,4-二氢异喹诺酮和5,6-二氢吡啶酮,收率高达99%。