Annulation of CF<sub>3</sub>–Imidoyl Sulfoxonium Ylides with 1,3-Dicarbonyl Compounds: Access to 1,2,3-Trisubstituted 5-Trifluoromethylpyrroles
作者:Si Wen、Qingyu Tian、Yanhui Chen、Yuqing Zhang、Guolin Cheng
DOI:10.1021/acs.orglett.1c02598
日期:2021.10.1
A lithium-bromide-promoted nucleophilic substitution/annulation cascade reaction between CF3-imidoyl sulfoxonium ylides and 1,3-dicarbonyl compounds has been established, and the corresponding 1,2,3-trisubstituted 5-trifluoromethylpyrroles have been obtained in 27–78% yield. This reaction features a broad substrate scope and generates dimethyl sulfoxide and H2O as byproducts.
已经建立了溴化锂促进的 CF 3 -亚氨酰基锍叶立德与 1,3-二羰基化合物之间的亲核取代/环化级联反应,并在 27-78 年获得了相应的 1,2,3-三取代 5-三氟甲基吡咯% 屈服。该反应具有广泛的底物范围,并生成二甲基亚砜和 H 2 O 作为副产物。