compound introduction
1-溴-2-硝基苯与一系列 β-卤代烯醛,-烯酮或 -酯发生钯[0]介导的 Ullmann 交叉偶联反应，得到相应的 β-芳基衍生物。研究报道了 1-溴-2-硝基苯与 β-溴-α,β-不饱和醛的钯[0]介导的 Ullmann 交叉偶联反应。1-溴-2-硝基苯可用于制备： · 4-甲氧基-2′-硝基二苯醚 · 1-甲氧基-3,5-二-（2-硝基-苯氧基）苯 · 5-羟基-3-甲氧基-2′-硝基二苯醚 1-Bromo-2-nitrobenzene undergoes palladium[0]-mediated Ullmann cross-coupling reaction with a range of β-halo-enals, -enones or -esters to afford the corresponding β-aryl derivatives. Palladium[0]-mediated Ullmann cross-coupling reaction of 1-bromo-2-nitrobenzene with β-bromo-α,β-unsaturated aldehydes is reported. 1-Bromo-2-nitrobenzene may be used in the preparation of: 4-methoxy-2′-nitrodiphenyl ether 1-methoxy-3,5-bis-(2-nitro-phenoxy)benzene 5-hydroxy-3-methoxy-2′-nitrodiphenyl ether
