Synthesis of pindikamine A, a michellamine-related dimer of a non-natural, 'skew' naphthylisoquinoline

被引:23
作者
Bringmann, G [1 ]
Gotz, R [1 ]
Francois, G [1 ]
机构
[1] INST TROP MED PRINCE LEOPOLD,B-2000 ANTWERP,BELGIUM
关键词
D O I
10.1016/0040-4020(96)00813-7
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The synthesis of an unnatural dimeric naphthylisoquinoline, pindikamine A (3), as a 'skew' analog of antiviral michellamines, is described. Because of the unusual coupling positions, this C-2-symmetric quateraryl is the first michellamine analog without axial chirality. Key steps of the total synthesis are the preparation of the molecular precursor 9 by intermolecular biaryl coupling, followed by a highly efficient oxidative 'dimerization' to give 8, which is transformed to 3. Pindikamine A (3) and its monomeric 'half 10 show good antimalarial activity against Plasmodium falciparum in vitro. Copyright (C) 1996 Elsevier Science Ltd
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页码:13419 / 13426
页数:8
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