Organometallic Antitumor Compounds: Ferrocifens as Precursors to Quinone Methides
作者:Yong Wang、Pascal Pigeon、Siden Top、Michael J. McGlinchey、Gérard Jaouen
DOI:10.1002/anie.201503048
日期:2015.8.24
oxidation of 3 b yielded an unprecedented tetrahydrofuran‐substituted quinone methide (QM) via internal cyclization of the hydroxyalkyl chain, whereas the corresponding alkyl analogue CH3CH2‐C(Fc)=C(C6H4OH)2 merely formed a vinyl QM. The ferrocenyl group in 3 b plays a key role, not only as an intramolecular reversible redox “antenna”, but also as a stabilized carbenium ion “modulator”. The presence of the
报道了具有强抗增殖行为的新一代二茂铁衍生物的合成和化学氧化谱。特别是羟丙基衍生物HO(CH 2)3 C(Fc)= C(C 6 H 4 OH)2(3 b)对带有IC的癌细胞系HepG2和MDA-MB-231 TNBC表现出优异的抗增殖活性50个的值0.07和0.11μ中号分别。3 b的化学氧化通过羟烷基链的内部环化反应产生了前所未有的四氢呋喃取代的醌甲基化物(QM),而相应的烷基类似物CH 3 CH2- C(Fc)= C(C 6 H 4 OH)2仅形成乙烯基QM。3b中的二茂铁基不仅起分子内可逆氧化还原“天线”的作用,而且起稳定化的碳负离子“调节剂”的作用。3 b-QM中氧杂环的存在增强了其稳定性,并导致了独特的化学氧化谱,从而揭示了解密其在体内作用机理的关键线索。