作者:Tadashi Sasaki、Shoji Eguchi、Toshiyuki Esaki、Takanori Suzuki
DOI:10.1016/s0040-4020(01)93725-1
日期:1979.1
The 1,3-dipolar cycloaddition reactivity and regioselectivity of methyleneadamantane 1, ethyl adamantylideneacetate 7a, adamantylideneacetonitrile 7b and ω-methoxymethyleneadamantane 7c with substituted benzonitrile oxides 3a-i were calculated by CNDO/2 method using the perturbation equation derived by Klopman and Salem. The calculation predicted an exclusive formation of adamantan - 2 - spiro - 5'
所述1,3-偶极环加成反应性和methyleneadamantane的区域选择性1,乙基adamantylideneacetate图7a,adamantylideneacetonitrile 7B和ω-methoxymethyleneadamantane 7C与取代的苄腈氧化物3A-3I是通过使用由Klopman和沙龙导出的扰动方程CNDO / 2法计算。计算预测的金刚烷的异形成- 2 -螺- 5' - 3' -芳基- Δ 2 ' - isooxazoline 4A-I中的反应中1,图7a和图7b与图3a-i的和的67-69地层:33-31 4a-i的混合物和异构体5a-i在7c与3a-i的反应中。在1a,7a和7b与2a-i与Et 3 N或热生成的3a-i的反应中,实验观察到了4a-i的排他形成,但7c与3a的反应未提供相应的加合物。在7b与3a和1,2,4-恶二唑衍生物11的反应中观察