作者:Tyler J. Potter、David N. Kamber、Brandon Q. Mercado、Jonathan A. Ellman
DOI:10.1021/acscatal.6b03217
日期:2017.1.6
The transition-metal-catalyzed C–H bond addition to nitroalkenes has been developed. Very broad nitroalkene scope was observed for this Rh(III)-catalyzed method, including for aliphatic, aromatic, and β,β-disubstituted derivatives. Additionally, various directing groups and both aromatic and alkenyl C–H bonds were effective in this transformation. Representative nitroalkane products were converted
已经开发了过渡金属催化的C–H键加到硝基烯烃中的方法。对于此Rh(III)催化方法,观察到非常广泛的硝基烯烃范围,包括脂肪族,芳香族和β,β-二取代衍生物。此外,在该转化过程中,各种导向基团以及芳族和烯基CH键均有效。代表性的硝基烷烃产物通过铁介导的还原和原位环化反应,一步一步即可高产率地转化为二氢异喹诺酮和二氢吡啶酮。此外,通过对硝基化合物中间体的X射线结构表征,初步获得了对映体选择性Rh(III)催化的C–H键向硝基烯烃的加成反应。