Triazoles from N-Alkynylheterocycles and Their Coordination to Iridium
Triazoles from N-Alkynylheterocycles and Their Coordination to Iridium
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N-炔基杂环三唑及其与铱的配位
DOI：
10.1021/om201157g
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发表时间：
2012
期刊：
影响因子：
2.8
通讯作者：
Burley G
中科院分区：
文献类型：
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作者：
Burley G
n -炔基杂环（苯并咪唑和茚唑）通过点击化学转化为三唑，得到的三唑与[IrCl2Cp*]2反应。苯并咪唑-三唑通过苯并咪唑以单齿方式配位，而吲达唑-三唑通过两个杂环的配位而双齿。苯并咪唑-三唑与甲基碘化物反应生成苯并咪唑盐，该盐在配位上脱质子，形成双齿nhc -三唑的罕见例子。
N-alkynylheterocycles (benzimidazole and indazole) are converted to triazoles by click chemistry, and the resulting triazoles react with [IrCl2Cp*]2. The benzimidazole-triazole coordinates in a monodentate fashion through the benzimidazole, whereas the indazole-triazole is bidentate through coordination of both heterocycles. Reaction of the benzimidazole-triazole with methyliodide gives a benzimidazolium salt that deprotonates on coordination to afford a rare example of a bidentate NHC–triazole.