Palladium-Catalyzed One-Pot Reaction of Hydrazones, Dihaloarenes, and Organoboron Reagents: Synthesis and Cytotoxic Activity of 1,1-Diarylethylene Derivatives
作者:Maxime Roche、Salim Mmadi. Salim、Jérôme Bignon、Hélène Levaique、Jean-Daniel Brion、Mouad Alami、Abdallah Hamze
DOI:10.1021/acs.joc.5b00880
日期:2015.7.2
products in high yields, offers an expansive substrate scope, and can address a broad range of aryl, styrene, vinyl, and heterocyclic olefinic targets. The scope of this one-pot coupling has been also extended to the synthesis of the 1,1-diarylethylene skeleton of the natural product ratanhine. The new compounds were evaluated for their cytotoxic activity, and this allowed the identification of compound
开发了N-甲苯磺酰基,、二卤代芳烃和硼酸或硼酸酯之间的新的三组分组装反应,以高收率生产了高度取代的1,1-二芳基乙烯。通过这种偶联形成的两个C–C键已被单一的Pd催化剂以一锅法进行了催化。应当指出,一锅法频哪醇硼酸酯的交叉偶联反应通常以高收率提供产物,提供了扩大的底物范围,并且可以解决广泛范围的芳基,苯乙烯,乙烯基和杂环烯烃目标。这种一锅耦合的范围也已扩展到天然产物藤黄的1,1-二芳基乙烯骨架的合成。对新化合物的细胞毒性活性进行了评估,从而可以鉴定化合物在纳摩尔浓度范围内对HCT116癌细胞系表现出优异的抗增殖活性的4ab。