作者:Peter Boutillier、Samir Z. Zard
DOI:10.1039/b101751i
日期:——
Radicals derived from β-ketoesters can, depending on the
position of the unpaired electron, represent synthetic equivalents to the
high energy and elusive alkynyl radicals or to the stabilised and
relatively unreactive propargyl radicals by application of the xanthate
transfer reaction followed by nitrosative cleavage of the corresponding
isoxazolinones.
根据未配对电子的位置,从 β 酮酯衍生出的自由基可以代表高能量和难以捉摸的炔自由基的合成等价物,也可以代表稳定的和相对无反应的丙炔自由基的合成等价物,方法是先进行黄原酸酯转移反应,然后对相应的异噁唑啉酮进行亚硝基裂解。