An improved method for the synthesis of 6-substituted-5H-pyrrolo[2,3-b]pyrazines via palladium-catalyzed heteroannulation using microwave heating

被引:16
作者
Hopkins, CR [1 ]
Collar, N [1 ]
机构
[1] Aventis Pharmaceut, Dept Med Chem, Drug Innovat & Approval, Bridgewater, NJ 08807 USA
关键词
6-substituted-5H-pyrrolo[2,3-b]pyrazine; heteroannulation; palladium; cyclization; microwave;
D O I
10.1016/j.tetlet.2004.09.152
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
We herein report an improved synthesis of 6-substituted-5H-pyrrolo[2,3-b]pyrazines utilizing microwave heating. The reaction is a palladium-catalyzed heteroannulation process followed by deprotection to yield the desired substrates in good yield. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码:8631 / 8633
页数:3
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