agent in the presence of a chiral Lewis base. The absolute configuration of the key intermediate was unambiguously assigned by X-ray analysis. The synthesis was also investigated exploiting continuous flow reactions; that is, an advanced intermediate of the target molecule was synthesized in only two in-flow synthetic modules, avoiding isolation and purifications of intermediates, leading to the isolation
已经分批研究了一种立体选择性合成策略,用于制备三
氟甲胺模拟物的三
氟甲胺模拟物,涉及非对映选择性、无
金属催化步骤,并以良好的收率和高非对映选择性提供目标分子。合成顺序的一个关键点是在手性路易斯碱的存在下用三
氯硅烷作为还原剂催化还原
氟化烯胺。通过 X 射线分析明确指定了关键中间体的绝对构型。还研究了利用连续流动反应的合成;也就是说,目标分子的高级中间体仅在两个流入合成模块中合成,避免了中间体的分离和纯化,