Selective Gold-Catalysed Synthesis of Cyanamides and 1-Substituted 1<i>H</i>
-Tetrazol-5-Amines from Isocyanides
作者:Karel Škoch、Ivana Císařová、Petr Štěpnička
DOI:10.1002/chem.201803252
日期:2018.9.18
The newly discovered gold‐catalysed reaction of isocyanides with hydrazoic acid generated in situ from trimethylsilyl azide and methanol (or, alternatively, from NaN3/AcOH) produces either cyanamides or 1‐substituted 1H‐tetrazol‐5‐amines, depending on the amount of available HN3. The reaction proceeds selectively and in generally high yields of either product, thus providing a particularly convenient
新发现的金催化的异氰化物与由三甲基甲硅烷基叠氮化物和甲醇(或由NaN 3 / AcOH产生)就地生成的氢氰酸反应,可生成氰胺或1取代的1 H-四唑-5-胺,具体取决于可用HN量3。该反应选择性地进行,并且两种产物的收率通常都很高,因此特别方便地获得了广泛的取代1 H-四唑-5-胺,而这些胺否则很难获得。