Synthesis of Indole-2-carboxylate Derivatives via Palladium-Catalyzed Aerobic Amination of Aryl C–H Bonds
作者:Kyle Clagg、Haiyun Hou、Adam B. Weinstein、David Russell、Shannon S. Stahl、Stefan G. Koenig
DOI:10.1021/acs.orglett.6b01592
日期:2016.8.5
A direct oxidative C–H amination affording 1-acetyl indolecarboxylates starting from 2-acetamido-3-arylacrylates has been achieved. Indole-2-carboxylates can be targeted with a straightforward deacetylation of the initial reaction products. The C–H amination reaction is carried out using a catalytic Pd(II) source with oxygen as the terminal oxidant. The scope and application of this chemistry is demonstrated
Influence of a Basic Side Chain on the Properties of Hypoxia-Selective Nitro Analogues of the Duocarmycins: Demonstration of Substantial Anticancer Activity in Combination with Irradiation or Chemotherapy
作者:Moana Tercel、Ho H. Lee、Sunali Y. Mehta、Jean-Jacques Youte Tendoung、Sally Y. Bai、H. D. Sarath Liyanage、Frederik B. Pruijn
DOI:10.1021/acs.jmedchem.7b00563
日期:2017.7.13
hypoxia-selective anticanceractivity. The compounds incorporate 13 different amine-containing sidechains designed to bind in the minor groove of DNA while spanning a wide range of base strength from pKa 9.64 to 5.24. The most favorable in vitro properties were associated with strongly basic sidechains, but the greatest in vivo antitumor activity was found for compounds containing a weakly basic morpholine