Hit-to-lead studies: the discovery of potent, orally active, thiophenecarboxamide IKK-2 inhibitors
摘要:
A hit-to-lead optimisation programme was carried out on the thiophenecarboxamide high throughput screening hits 1 and 2 resulting in the discovery of the potent and orally bioavailable IKK-2 inhibitor 22. (C) 2004 Elsevier Ltd. All rights reserved.
一种方便的协议,可使用易于获得的5-取代的3-氨基噻吩-2-羧酸酯一锅合成噻吩并[3,2- b ]吲哚,在C-2位带有芳香,噻吩-2-基或苯乙烯基片段Fischer吲哚化反应是在这项研究期间开发的。该方法的两个主要步骤是用氢氧化钠对起始的3-氨基酯进行皂化,然后在冰醋酸溶液中用芳基肼对粗制的3-氨基酸钠盐进行下一步处理。后面的步骤包括将游离的3-氨基噻吩-2-羧酸原位脱羧为3-氨基噻吩,并使其与芳基肼的酸促进反应,最初形成5-取代噻吩-3(2 H的芳基hydr))-平滑地导致吲哚化以提供所需的噻吩并[3,2- b ]吲哚。
The invention relates to heteroaromatic carboxamides of formula (I),
1
wherein A, R
1
, R
2
and X are as defined in the specification, processes and intermediates used in their preparation, pharmaceutical compositions containing them and their use in therapy.
[EN] HETEROAROMATIC CARBOXAMIDE DERIVATIVES AND THEIR USE AS INHIBITORS OF THE ENZYME IKK-2<br/>[FR] DERIVES DE CARBOXAMIDES HETEROAROMATIQUES ET LEUR UTILISATION COMME INHIBITEURS DE L'ENZYME IKK-2
申请人:ASTRAZENECA AB
公开号:WO2001058890A1
公开(公告)日:2001-08-16
The invention relates to heteroaromatic carboxamides of formula (I), wherein A, R1, R2 and X are as defined in the specification, processes and intermediates used in their preparation, pharmaceutical compositions containing them and their use in therapy.
The invention relates to heteroaromatic carboxamides of formula (I), wherein A, R
1
, R
2
, and X are as defined in the specification, processes and intermediates used in their preparation, pharmaceutical compositions containing them and their use in therapy.