[EN] BENZOFURAN AMIDES AND HETEROAROMATIC ANALOGUES THEREOF FOR USE IN THERAPY [FR] AMIDES DE BENZOFURANE ET LEURS ANALOGUES HÉTÉROAROMATIQUES DESTINÉS À ÊTRE UTILISÉS EN THÉRAPIE
One-pot synthesis of 4-heteroaryl-1,2-dihydro-3-benzazepines from 3,4-dihydroisoquinolinium salts or pseudo bases
作者:Alexander A. Zubenko、Viktor G. Kartsev、Anatolii S. Morkovnik、Ludmila N. Divaeva、Danil V. Alexeenko、Kyrill Yu. Suponitsky、Gennadii S. Borodkin、Alexander I. Klimenko
DOI:10.1016/j.tetlet.2017.02.036
日期:2017.3
novel one-pot synthetic route to the poorly studied 4-heteroaryl-1,2-dihydro-3-benzazepine motif from 3,4-dihydroisoquinolinium compounds is described. The synthetic approach is based on heterocyclic ring expansion of isoquinoline substrates upon reaction with chloromethyl-substituted heterocycles. The scope and limitations of the reaction were investigated to give a series of novel heteroaryl-3-benzazepines
Through a systematic modification of the novel angiogenesis inhibitor 4-senecioyloxymethyl-6,7-dimethoxycoumarin (1) we found that a 6,7-dimethoxy moiety is important for bioactivity of 1. Replacement of the lactone functionality in coumarin 1 by an amide decreased its activity. By substitution of the senecioyl chain with various cinnamoyl groups we discovered 6d, bearing a 4-methoxycinnamoyl instead of senecioyl side chain, with inhibitory activity in HUVEC tube formation assay enhanced by one order of magnitude compared to 1. We have also synthesized compound 12, an analogue of 6d, with equipotency and improved water solubility. (C) 2002 Elsevier Science Ltd. All rights reserved.
BENZOFURAN AMIDES AND HETEROAROMATIC ANALOGUES THEREOF FOR USE IN THERAPY