Solid-Supported Cyclohexane-1,3-dione (CHD): A “Capture and Release” Reagent for the Synthesis of Amides and Novel Scavenger Resin
作者:Cara E. Humphrey、Morag A. M. Easson、Jason P. Tierney、Nicholas J. Turner
DOI:10.1021/ol027503p
日期:2003.3.1
[reaction: see text] A three-step synthesis of cyclohexane-1,3-dione (CHD) resin 6 on polystyrene resin is described. Resin 6 was used to prepare an amide library of high purity by microwave-assisted serial "capture and release" and can be recycled for this purpose. High-loading CHD resin 10 was also shown to scavenge allyl cations in solution.
first catalytic process has been developed for the direct synthesis of amides from readily available petroleum by‐products (methylarenes) and amines using an iron catalyst. In this new catalytic reaction, the methylgroup of the methylarene is oxidized to the corresponding aldehyde through non‐directed CHoxidation followed by its oxidative amidation with N‐chloroamine, yielding the carboxylic amide