Highly regioselective synthesis of 2,4,5-(hetero) aryl substituted oxazoles by intermolecular [3+2]-cycloaddition of unsymmetrical internal alkynes

被引:74
|
作者
Chatzopoulou, Elli [1 ]
Davies, Paul W. [1 ]
机构
[1] Univ Birmingham, Sch Chem, Birmingham B15 2TT, W Midlands, England
关键词
GOLD; CYCLOADDITION; NITRILES; 5-(3-INDOLYL)OXAZOLES; REARRANGEMENT; CATALYSIS; OXIDATION; MOIETIES; YLIDES; ACCESS;
D O I
10.1039/c3cc45410j
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A robust N-nucleophilic 1,3-N,O-dipole equivalent reacts with unsymmetrical internal alkynes under gold catalysis. Conjugation from a remote nitrogen lone pair enables and controls this convergent and highly regioselective process.
引用
收藏
页码:8617 / 8619
页数:3
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