Bi(OTf)3 was found to be a good catalyst for the direct synthesis of multisubstituted pyrroles from the readily accessible 2-propynylamine and activated methylene compounds in which the bismuth played two roles: σ- and π-activations.
Bi(OTf)3 被发现是一种有效的催化剂,可用于从易得的 2-
丙炔基胺和活化亚甲基化合物直接合成多取代
吡咯,其中
铋发挥了两种作用:σ-和 π-活化。