Tetrahedron

Aminoimidazo [1, 2-a] pyridines: regioselective synthesis of substituted imidazonaphthyridines, azacarbolines and cyclazines

JM Chezal, E Moreau, O Chavignon, V Gaumet, J Métin…

文献索引：Tetrahedron, , vol. 58, # 2 p. 295 - 307

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被引用次数: 16

摘要

... Tetrahedron. Volume 58, Issue 2, 7 January 2002, Pages 295–307. ... Two routes to synthesis of iminophosphoranes 7a–e were developed (Scheme 2). Diazotation of amines 5a–c with NaNO 2 /HCl followed by addition of NaN 3 yielded azides 6a–c as stable solids, wich were ...