Catalyst-controlled chemoselective arylation of 2-aminobenzimidazoles.

Catalyst-controlled chemoselective arylation of 2-aminobenzimidazoles.
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DOI:
10.1002/anie.201204710
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发表时间:
2012-10-08
影响因子:
16.6
通讯作者:
Buchwald, Stephen L.
Buchwald, Stephen L.
中科院分区:
化学1区
文献类型:
--
作者:
Ueda, Satoshi;Buchwald, Stephen L.

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本文报道了钯和铜催化的2-氨基苯并咪唑的N-芳基化反应。选择性的N-芳基化的氨基实现了钯催化的方法,而选择性的N-芳基化的唑氮实现了铜催化的程序。这些互补的条件集的效用被证明在几个两步,选择性合成二芳基化氨基唑。
The chemoselective and complementary Pd-and Cu-catalyzed N-arylation of 2-aminobenzimidazoles is described. Selective N-arylation of the amino-group was achieved with a Pd-catalyzed method, while selective N-arylation of azole nitrogen was achieved with a Cu-catalyzed procedure. The utility of these complementary sets of conditions is demonstrated in several two-step, selective syntheses of di-arylated aminoazoles.
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