作者:Antonino Corsaro、Giancarlo Perrini、Venerando Pistarà、Paolo Quadrelli、Anna Gamba Invernizzi、Pierluigi Caramella
DOI:10.1016/0040-4020(96)00276-1
日期:1996.4
Cycloaddition of benzonitrile oxide to pyridazine affords an isolable mono-cycloadduct. In cycloadditions to pyrimidine and pyrazine the primary mono-cycloadducts are labile intermediates which undergo further cycloaddition affording isolable bis- and tris-cycloadducts.
苯甲腈氧化物与哒嗪的环加成反应提供可分离的单环加合物。在嘧啶和吡嗪的环加成中,主要的单环加合物是不稳定的中间体,其进行进一步的环加成,得到可分离的双环和三环加合物。