The palladium-catalyzed C–N cross coupling of sulfinamides and arylhalides is reported. In the presence of Pd2(dba)3, tBuXPhos, NaOH, and a small amount of water, the C–N cross coupling of chiral tert-butanesulfinamide and arylhalides was accomplished to give N-aryl tert-butanesulfinamide without racemization, and the coupling of racemic p-toluenesulfinamide smoothly afforded N-aryl p-toluenesulfinamides
Asymmetric synthesis of N-aryl sulfinamides: copper(I)-catalyzed coupling of sulfinamides with aryl iodides via kinetic resolution
作者:Yangyuan Liu、Zesheng Wang、Bin Guo、Qian Cai
DOI:10.1016/j.tetlet.2016.04.049
日期:2016.6
An asymmetric synthesis of N-aryl sulfinamides was achieved through copper-catalyzed coupling reactions of aryl iodides with sulfinamides. Such a kinetic resolution process provided the desired coupling products in moderate to good yields and with moderate enantioselectivities.
An Optimized Ni‐catalyzed Chan‐Lam Type Coupling: Enantioretentive Access to Chiral N‐Aryl Sulfinamides
作者:Chen Li、Kun Zhang、Hongrui Ma、Shuang Wu、Yilei Huang、Yafei Duan、Yunhao Luo、Jun Yan、Guang Yang
DOI:10.1002/chem.202202190
日期:2022.12.15
An optimized Ni-catalyzed Chan-Lam type couplingreaction was optimized. A series of chiral N-aryl sulfinamides was prepared with high chemical yield without any racemization. A plausible and novel mechanism was proposed and this method is useful for preparing various C−X bonds efficiently.
优化了优化的 Ni 催化的 Chan-Lam 型偶联反应。制备了一系列手性 N-芳基亚磺酰胺,化学收率高,没有任何外消旋化。提出了一种似是而非的新颖机制,该方法可用于有效制备各种 C-X 键。
Chiral Brønsted-Acid-Catalyzed Asymmetric Oxidation of Sulfenamide by Using H<sub>2</sub>O<sub>2</sub>: A Versatile Access to Sulfinamide and Sulfoxide with High Enantioselectivity
Herein, we describe an example of catalyticasymmetricsynthesis of sulfinamides. Aromatic sulfenamides were chosen as useful substrates, because of the indispensable N–H bond, which could form an efficient hydrogen bond with chiral phosphoric acid. H2O2 (35%) was used as the terminal oxidant for preparation of sulfinamides in high yields and enantioselectivities, which could be easily derivatized
在本文中,我们描述了亚磺酰胺催化不对称合成的一个例子。选择芳香亚磺酰胺作为有用的底物,因为它不可缺少的NH键可以与手性磷酸形成有效的氢键。H 2 O 2(35%)被用作末端氧化剂,以高收率和对映选择性制备亚磺酰胺,可以很容易地衍生为亚砜和其他亚磺酰胺,而不会损失对映选择性。
Kinetic Resolution of Sulfinamides via Asymmetric <i>N</i>-Allylic Alkylation
作者:Gao-Liang Zheng、Chenxi Lu、Jin-Pei Cheng、Xin Li
DOI:10.1021/acs.orglett.1c03221
日期:2021.11.5
An efficient kineticresolution of sulfinamides via an asymmetric N-allylic alkylation reaction was realized using hydroquinine as a catalyst under mild conditions. The kineticresolution of a range of Morita–Baylis–Hillman adducts and N-aryl tert-butylsulfinamides was highly effective. In addition, the synthetic utility of the protocol was demonstrated by a scaled-up reaction. Density functional theory