Regioselective synthesis of 4-acyl-1-hydroxy-2,3-benzodioates by chelation-controlled [3+3] annulation of 3-acyl-4-ethoxy-2-oxo-3-enoates with 1,3-bis(trimethylsilyloxy)-1,3-butadienes
作者:Abdolmajid Riahi、Mohanad Shkoor、Olumide Fatunsin、Rasheed Ahmad Khera、Christine Fischer、Peter Langer
DOI:10.1039/b905556h
日期:——
4-Acyl-1-hydroxy-2,3-benzodioates were regioselectively prepared by chelation-controlled [3+3] cyclization of 1,3-bis(trimethylsilyloxy)-1,3-butadienes with 3-acyl-4-ethoxy-2-oxo-3-enoates.
4-酰基-1-羟基-2,3-苯并二氧戊环-4-羧酸酯通过1,3-双(三甲基硅氧基)-1,3-丁二烯与3-酰基-4-乙氧基-2-氧代-3-烯酸酯的螯控[3+3]环化反应进行了区域选择性的制备。