作者:Claudio Martínez、Kilian Muñiz
DOI:10.1002/anie.201501122
日期:2015.7.6
and ecologically benign alternatives to transition metals, although their application as molecular catalysts in challenging CH oxidation reactions has remained elusive. An attractive iodine oxidation catalysis is now shown to promote the convenient conversion of carbon–hydrogen bonds into carbon–nitrogen bonds with unprecedented complete selectivity. The reaction proceeds by two interlocked catalytic
碘试剂已被确认为过渡金属的经济和生态上的良性替代品,尽管它们在挑战CH氧化反应中作为分子催化剂的应用仍然难以捉摸。现在显示出有吸引力的碘氧化催化作用,以前所未有的完全选择性促进了碳氢键向碳氮键的便捷转化。该反应通过包括自由基链反应的两个互锁的催化循环进行,该自由基链反应由可见光作为能源引发。用于烷基的直接氧化胺化的这种非常规的合成策略没有生物合成优先权,并且提供了对一般类别的饱和氮化杂环的有效且直接的途径。