Convenient access to substituted acridines by a Buchwald–Hartwig amination
摘要:
A convenient, high yield procedure for the synthesis of anthranilic acids carrying a variety of different substituents as well as their straightforward transformation into the corresponding 9-chloroacridines could be established by using modified Buchwald-Hartwig amination conditions. (C) 2004 Elsevier Ltd. All rights reserved.
Synthesis and preliminary cytotoxic activity of dimethoxy-acridines and dimethoxynitroacridines
作者:A. Monge、F. J. Martínez-Crespo、L. Santamaría、S. Narro、A. López De Ceráin、E. Hamilton、A. J. Barker
DOI:10.1002/jhet.5570310628
日期:1994.11
The preparation of a series of dimethoxy and dimethoxynitroacridines and their activity in oxic and hypoxic cells is reported. Anthranilic acids 1,4,14 were prepared according to the Ullmann condensation. 9-chloroacridines were obtained from anthranilic acids by refluxing in phosphorus oxychloride. The synthesis of two new acridine dimers 9,10 is described. Nitration of 9-chloro-2,4-dimethoxyacridine
Ascididemine (9H-quino[4,3,2-de][1,10]phenanthrolin-9-one) (1) and an isomer (9H-quino[4,3,2-de][1,7]phenanthrolin-9-one) (4) have been synthesized starting from 1,4-dimethoxyacridone (7). The acridone was converted into 1,4-dimethoxy-9-ethynylacridine (11) by a triflate coupling. The ethynylacridine was converted in one-pot into 3H-6-methoxypyrido[2,3,4-kl]acridine (15) by reaction with sodium diformylamide;
Synthesis and in vitro antitumor activity of an isomer of the marine pyridoacridine alkaloid ascididemin and related compounds
作者:Evelyne Delfourne、Robert Kiss、Laurent Le Corre、Joumaa Merza、Jean Bastide、Armand Frydman、Francis Darro
DOI:10.1016/s0968-0896(03)00483-8
日期:2003.10
The isomer (9H-quino[4,3,2-de][1,7]phenanthroline-9-one) (2) of the marinealkaloid ascididemin (9H-quino[4,3,2-de][1,10]phenanthroline-9-one) (1) has been synthesized in six steps from 1,4-dimethoxyacridine (10) with an overall yield of 12%. Different related compounds were prepared and tested in vitro at six different concentrations on 12 different human cancer cell lines of various histopathological