Rapid analogue synthesis of trisubstituted triazolo[4,3-b]pyridazines

被引:19
作者
Collins, I [1 ]
Castro, JL [1 ]
Street, LJ [1 ]
机构
[1] Merck Sharp & Dohme Ltd, Res Labs, Dept Med Chem, Ctr Res Neurosci, Harlow CM20 2QR, Essex, England
关键词
pyridazines; triazoles; coupling reactions; silicon; silicon compounds;
D O I
10.1016/S0040-4039(99)02153-X
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A rapid analogue synthesis of biologically active 3,6,7-trisubstituted 1,2,4-triazolo[4,3-b]pyridazines was devised to give easy and selective variation of the three substituents through combinations of silicon-directed anion formation, palladium-catalysed couplings and SNAr displacements. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:781 / 784
页数:4
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