Palladium-Catalyzed Direct and Regioselective C−H Bond Functionalization/Oxidative Acetoxylation of Indoles
作者:Pui Ying Choy、Chak Po Lau、Fuk Yee Kwong
DOI:10.1021/jo101584k
日期:2011.1.7
The first general examples of palladium-catalyzeddirect and selective oxidative C3-acetoxylation of indoles are presented. The mild reaction conditions (70 °C and with weak base, KOAc) in this indole C−H-acetoxylation are notable.
A novel Cu(OAc)2-catalysed direct C–H bond oxidative acetoxylation and iodination of indoles using PhI(OAc)2 as a terminal oxidant is reported. Adopting this method, a series of 3-iodoindoles and indol-3-ylacetates were obtained in nearly 1:1 ratio yield.
Pd-Catalyzed Direct and Selective CH Functionalization: C3-Acetoxylation of Indoles
作者:Qiang Liu、Gang Li、Hong Yi、Pan Wu、Jie Liu、Aiwen Lei
DOI:10.1002/chem.201002547
日期:2011.2.18
one! A novel Pd‐catalyzed direct and selectiveC3‐acetoxylation of indole derivatives has been accomplished (see scheme). This selective CH activation reaction was implemented without the assistance of directing groups and took place undermildconditions. The kinetic study revealed that the reaction was zero‐order with respect to the oxidant and first‐order with respect to the indole derivatives.