N-oxidation of pyridine carboxylic acids using hydrogen peroxide catalyzed by a green heteropolyacid catalyst:: Preyssler's anion, [NaP5W30O110]14-

被引：155

作者：

Bamoharram, Fatemeh F. ^{[1
]}

Heravi, Majid M.

Roshani, Mina

Tavakoli, Niloofar

机构：

[1] Islamic Azad Univ, Dept Chem, Mashhad Branch, Mashhad, Iran

[2] Alzahra Univ, Sch Sci, Dept Chem, Tehran, Iran

来源：

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL | 2006年 / 252卷 / 1-2期

关键词：

pyridine N-oxide; Pressyler anion; hydrogen peroxide; pyridine carboxylic acids;

D O I：

10.1016/j.molcata.2006.02.059

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The catalytic oxidation of pyridine carboxylic acids such as nicotinic acid, picolinic acid and quniolinic acid to the corresponding N-oxides has been studied using hydrogen peroxide as an oxidant and Preyssler's catalyst as pure acid, H-14[NaP5W30O110] and mixed addenda, H-14[NaP5W29M0O110]. The highly selective oxidations, gave good yields of the related N-oxides along with decarboxylation of the amines. In the production of pyridine N-oxides, the position of COOH group is found to play an important role in the product type and decarboxylation is only taken place at 2-position of nitrogen. The oxidation reactions were extended to other tertiary amines. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：219 / 225

页数：7

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