Synthesis of Functionalized Acetophenones by Formal [3+3] Cyclocondensations of 1,3-Bis(silyloxy)-1,3-butadienes with 3-Alkoxyand 3-Silyloxy-2-acetyl-2-en-1-ones
作者:Rüdiger Dede、Abdolmajid Riahi、Mohanad Shkoor、Mirza A. Yawer、Ibrar Hussain、Nazken Kelzhanova、Zharylkasyn A. Abilov、Abiodun Falodun、Helmar Görls、Peter Langer
DOI:10.5560/znb.2013-3123
日期:2013.9.1
cyclization of 1,3-bis(silyloxy)-1,3-butadienes with 2-acetyl-1-silyloxybut-1- en-3-one and 3-acetyl-4-silyloxypent-3-en-2-one, readily available from 3-(formyl)acetylacetone and 3-(acetyl)acetylacetone (triacetylmethane), afforded a variety of functionalized acetophenones Graphical Abstract Synthesis of Functionalized Acetophenones by Formal [3+3] Cyclocondensations of 1,3-Bis(silyloxy)-1,3-butadienes with
TiCl4 介导的 1,3-双(甲硅烷氧基)-1,3-丁二烯与 2-乙酰-1-甲硅烷氧基丁-1-en-3-one 和 3-乙酰-4-甲硅烷氧基戊-3-en-2 的环化-one,容易从 3-(甲酰基)乙酰丙酮和 3-(乙酰)乙酰丙酮(三乙酰甲烷)获得,提供了多种官能化苯乙酮图形摘要通过 1,3-双(3+3)环缩合反应合成官能化苯乙酮甲硅烷氧基)-1,3-丁二烯与 3-烷氧基和 3-甲硅烷氧基-2-乙酰基-2-烯-1-酮