Synthesis of novel 1-methyl-1H-pyridazino[3,4-b]indoles

被引:16
作者
Riedl, Z
Monsieurs, K
Krajsovszky, G
Dunkel, P
Maes, BUW
Tapolcsányi, P
Egyed, O
Boros, S
Mátyus, P
Pieters, L
Lemière, GLF
Hajós, G
机构
[1] Hungarian Acad Sci, Chem Res Ctr, Inst Biomol Chem, H-1525 Budapest, Hungary
[2] Univ Antwerp, Dept Chem, B-2020 Antwerp, Belgium
[3] Semmelweis Univ, Dept Organ Chem, H-1092 Budapest, Hungary
[4] Univ Antwerp, Dept Pharmaceut Sci, B-2610 Antwerp, Belgium
关键词
fused pyridazines; fused indoles; ring closure; Suzuki coupling; antitrypanosomal activity;
D O I
10.1016/j.tet.2005.09.136
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
New synthetic pathways have been elaborated to 1-methyl-1H-pyridazino[3,4-b]indoles starting from halopyridazin-3(2H)-ones. Suzuki cross-coupling reaction of chloro, iodo, dichloro, and dibromo substituted pyridazin-3(2H)-ones with 2-pivaloylaminophenylboronic acid followed by hydrolysis of the amide and subsequent ring closure via condensation gave fused indoles. Some of these compounds showed biological activity as antitrypanosomal agents. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码:121 / 129
页数:9
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