Ligand‐Enabled Palladium(II)‐Catalyzed Enantioselective β‐C(sp
<sup>3</sup>
)−H Arylation of Aliphatic Tertiary Amides**
作者:Chen‐Hui Yuan、Xiao‐Xia Wang、Lei Jiao
DOI:10.1002/anie.202300854
日期:——
Enantioselective C(sp3)−H activation in simple amides has been achieved by using palladium(II) catalysis with a chiral sulfoxide-2-hydroxypridine (SOHP) ligand. We report herein an efficient asymmetric PdII/SOHP-catalyzed β-C(sp3)−H arylation of aliphatic tertiary amides (up to 93 % yield and 99 % ee), in which the SOHP ligand plays a key role in the stereoselective C−H deprotonation-metalation step
通过使用具有手性亚砜-2-羟基吡啶 (SOHP) 配体的钯 (II) 催化,已经实现了简单酰胺中的对映选择性 C(sp 3 )-H 活化。我们在此报道了一种高效的不对称 Pd II /SOHP 催化的脂肪族叔酰胺的β-C(sp 3 )−H 芳基化(高达 93% 产率和 99% ee),其中 SOHP 配体在立体选择性中起关键作用C−H 去质子化-金属化步骤。