3-Substituted 7-Phenyl-Pyrroloquinolinones Show Potent Cytotoxic Activity in Human Cancer Cell Lines
摘要:
A novel series of 3-alkyl-substituted 7-phenyl-3H-pyrrolo[3,2-jlquinolin-9-ones (7-PPyQs) was synthesized with the aim to optimize the cytotoxic activity of recently identified PPyQs, promising inhibitors of tubulin polymerization. All compounds inhibited the growth of 11 human tumor cell lines at submicromolar concentrations as well as two human resistant cancer sublines, A549-T12 and A549-T24. FACS analysis indicated that all compounds caused significant arrest of the A549 cell cycle in G(2)/M phase at 0.1 and 1 mu M and a good correlation between the cytotoxicity IC50 and their ability to block the cell cycle was observed.
Regioselective Oxidative Arylation of Indoles Bearing <i>N-</i>Alkyl Protecting Groups: Dual C−H Functionalization via a Concerted Metalation−Deprotonation Mechanism
作者:Shathaverdhan Potavathri、Kyle C. Pereira、Serge I. Gorelsky、Andrew Pike、Alexis P. LeBris、Brenton DeBoef
DOI:10.1021/ja107159b
日期:2010.10.20
The most directmethod for synthesizing 2-arylindoles is oxidativecoupling of an arene with an indole. We have shown that both the activity and regioselectivity of this cross-coupling reaction are correlated with the acidity of the medium. This insight has been applied to predict the best conditions for the oxidative cross-coupling of N-alkylindoles, an important class of substrates that has heretofore
Catalytic enantioselective C–H functionalization of indoles with α-diazopropionates using chiral dirhodium(II) carboxylates: asymmetric synthesis of the (+)-α-methyl-3-indolylacetic acid fragment of acremoauxin A
first catalyticasymmetricsynthesis of the (+)-α-methyl-3-indolylacetic acid fragment of acremoauxin A, a potent plant-growth inhibitor. Furthermore, the Fujioka protocol using a combination of TMSOTf and 2,2′-bipyridyl was shown to be superior for the removal of the N-MOM group.
A novel series of 3-alkyl-substituted 7-phenyl-3H-pyrrolo[3,2-jlquinolin-9-ones (7-PPyQs) was synthesized with the aim to optimize the cytotoxic activity of recently identified PPyQs, promising inhibitors of tubulin polymerization. All compounds inhibited the growth of 11 human tumor cell lines at submicromolar concentrations as well as two human resistant cancer sublines, A549-T12 and A549-T24. FACS analysis indicated that all compounds caused significant arrest of the A549 cell cycle in G(2)/M phase at 0.1 and 1 mu M and a good correlation between the cytotoxicity IC50 and their ability to block the cell cycle was observed.