The enantioselective reductive cyclization of gamma-chloro N-(tert-butanesulfinyl)ketimines towards the short and efficient synthesis of (S)- and (R)-2-arylpyrrolidines (ee >99%) is described for the first time by treatment with LiBEt(3)H and subsequent acid deprotection.
首次描述了γ-
氯N-(叔
丁烷亚磺酰基)酮
亚胺的对映选择性还原环化对短而有效地合成(S)-和(R)-2-芳基
吡咯烷(ee> 99%)的作用LiBEt(3)H和随后的酸脱保护。