<em>N</em>-Heterocyclic carbene-catalyzed[4 + 2] cyclization of <em>α</em>-chloroaldehydes and aurones: Highly enantioselective synthesis of benzofuran-fused dihydropyran-2-ones

N-Heterocyclic carbene-catalyzed[4 + 2] cyclization of α-chloroaldehydes and aurones: Highly enantioselective synthesis of benzofuran-fused dihydropyran-2-ones

Yao Li, Kunquan Chen, Yan Zhang, Dequn Sun, Song Ye

N-Heterocyclic carbene-catalyzed[4 + 2] cyclization of α-chloroaldehydes and aurones: Highly enantioselective synthesis of benzofuran-fused dihydropyran-2-ones

Yao Li, Kunquan Chen, Yan Zhang, Dequn Sun, Song Ye

中国化学快报 . 2018, (08): 1209 -1211 . DOI: 10.1016/j.cclet.2018.03.003