of 1,2-diarylcyclopropanes with NOBF4 in CH3CN gave 3,5-diaryl-2-isoxazolines in good yields. For unsymmetrically substituted cyclopropanes, the mixtures of two isomeric isoxazolines were obtained. The mechanism and regioselectivity in this NO insertion into the cyclopropane ring are described.
1,2-二芳基
环丙烷与
NOBF4 在 CH3CN 中的反应以良好的收率得到 3,5-二芳基-2-
异恶唑啉。对于不对称取代的
环丙烷,获得了两种异构
异恶唑啉的混合物。描述了这种 NO 插入
环丙烷环的机制和区域选择性。