The synthesis of heterocyclic derivatives from pyran-2-ones and hydrazine hydrate. Ammonium cerium(IV) nitrate as an efficient oxidant in pyridazine chemistry

被引：19
|
作者：
Pozgan, Franc [1 ]
Polanc, Slovenko [1 ]
Kocevar, Marijan [1 ]
机构：
[1] Univ Ljubljana, Fac Chem & Chem Technol, SI-1000 Ljubljana, Slovenia
来源：
TETRAHEDRON | 2006年 / 62卷 / 41期
关键词：
heterocycles; pyridazine-3-carbohydrazides; esters; dehydrogenation; oxidation; ammonium cerium(IV) nitrate;
D O I：
10.1016/j.tet.2006.07.061
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A novel reaction of 3-amino-2H-pyran-2-ones and their fused derivatives with hydrazine hydrate leading to the corresponding pyridazine derivatives is reported. Further oxidation with ammonium cerium(IV) nitrate (CAN, from Cerium(IV) Ammonium Nitrate) yields a collection of pyridazine-3-carboxylates. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：9718 / 9725
页数：8
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