Cycloaddition reactions of nitrosoalkenes, azoalkenes and nitrile oxides mediated by hydrotalcite

被引：16

作者：

Lemos, Americo ^{[1
]}

Lourenco, Joao P. ^{[1
]}

机构：

[1] Univ Algarve, CIQA, Dept Quim & Farm, Fac Ciencias & Tecnol, Campus Gambelas, P-8005139 Faro, Portugal

来源：

ARKIVOC | 2010年

关键词：

Nitrosoalkene; azoalkene; nitrile oxide; hydrotalcite; cycloaddition; ALKENES; 1,2-OXAZINES; CATALYSIS; BASICITY; OXIMES;

D O I：

10.3998/ark.5550190.0011.515

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Mg:Al 3:1 hydrotalcite (Ht), used in catalytic quantities, promotes the generation of nitrosoalkenes, azoalkenes and nitrile oxides. These can be intercepted in situ by heterocycles and olefins in [4+2] and [3+2] cycloaddition reactions, producing dihydro-1,2-oxazines, tetrahydropyridazines and isoxazolines. The regeneration and reuse of Ht without loss of activity and the absence of organic solvent are the main advantages of this methodology.

引用

页码：170 / 182

页数：13

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