Novel Synthesis of Optically Active 2‐Ethylhexanoic Acid, 2‐Ethylhexanol, and 2‐Ethylhexylamine via the Asymmetric Favorskii Rearrangement
作者:Motofumi Miura、Masaharu Toriyama、Shigeyasu Motohashi
DOI:10.1080/00397910500374740
日期:2006.1
Abstract The asymmetric Favorskii rearrangement of optically active α‐haloketones, which are easily prepared from chiral menthyl‐4‐toluenesulfoxide in several steps using primary or secondary amines, yields their corresponding secondary or tertiary chiral amides. The secondary chiral amides were converted to acids or amines using acylation followed by hydrolysis or reduction. In addition, the tertiary
摘要 旋光性 α-卤代酮的不对称 Favorskii 重排很容易从手性薄荷基-4-甲苯亚砜中使用伯胺或仲胺通过几个步骤制备,产生相应的仲或叔手性酰胺。使用酰化随后水解或还原将仲手性酰胺转化为酸或胺。此外,叔酰胺用 Super-Hydride® 直接还原为醇。