posted on 2021-10-12, 13:37authored byDing Ma, Deshen Kong, Chenyang Wang, Khai-Nghi Truong, Kari Rissanen, Carsten Bolm
Upon
treatment with Cs2CO3, S-methyl-N-ynonylsulfoximines undergo 5-exo-dig cyclizations
to give three-dimensional heterocycles. The reactions proceed at ambient
temperature with a wide range of substrates affording the corresponding
products in good to excellent yields.