Regioselective monoarylation of thiophene-3-acetic acid with aryl bromides proceeds efficiently under palladium catalysis to selectively give the corresponding C2-arylated thiophene derivatives. The procedure is also applicable to the C2-arylations of benzothiophene-3- and indole-3-acetic acids.
在
钯催化下,
噻吩-3-
乙酸与芳基
溴化物的 regioselective 单芳基化反应高效进行,能够选择性地生成相应的 C2-芳基化
噻吩衍
生物。该过程同样适用于苯
噻吩-3-和
吲哚-3-
乙酸的 C2-芳基化反应。