The described system offers an ideal, user-friendly protocol for the chemoselective homogeneous hydrogenation of α,β-unsaturatedketones at room temperature using methanol as a liquid organic hydrogen carrier. Excellent yields were achieved with an in situ-prepared phosphine-free Cp*Ir(III)/bipyridonate complex. Chemoselective reduction with other reducible functionalities and late-stage functionalization
所描述的系统为使用甲醇作为液态有机氢载体在室温下对α、β-不饱和酮进行化学选择性均相氢化提供了一种理想的、用户友好的协议。使用原位制备的无膦Cp*Ir( III )/联吡啶络合物获得了优异的产率。还探索了具有其他可还原功能和后期功能化的化学选择性还原。
Diaminocyclopentadienone Ruthenium Complex Catalyzed Alkylation of Indoles and Ketones with Primary Alcohols
作者:Steffen Skowaisa、Edgar Haak
DOI:10.1002/ejoc.202300707
日期:——
The borrowing hydrogen approach allows the direct utilization of non-activated alcohols as alkylating agents. A readily available, air and moisture stable ruthenium complex proves to be a particularly effective hydrogen autotransfer catalyst for the alkylation of various indoles or ketones with poorly reactive alcohols.