Highly Diastereoselective Synthesis of 1-Pyrrolines <i>via</i> SnCl<sub>4</sub>-Promoted [3 + 2] Cycloaddition between Activated Donor–Acceptor Cyclopropanes and Nitriles
作者:Gopal Sathishkannan、Kannupal Srinivasan
DOI:10.1021/ol2024423
日期:2011.11.18
Activated donor–acceptor cyclopropanes underwent formal [3 + 2] cycloaddition with nitriles in the presence of SnCl4. The product 1-pyrrolines were isolated as single cis-diastereomers in moderate to good yields.
活化的供体-受体环丙烷在SnCl 4的存在下与腈进行正式的[3 + 2]环加成反应。产物1-吡咯啉以中等至良好的产率分离为单一的顺式-非对映异构体。