catalysts with a PNP type ligand, the electron-rich chiral PNP ligands have still been rarely reported because of the difficulties in synthesis and the nature of air-sensitivity. Herein, we report a novel chiral PNP ligand (Heng-PNP) with both a rigid backbone and a bulky tert-butyl group on the phospholane motif. We successfully obtained its divalent iron complex. The chiral environment of its Ir(III) complex
Palladium‐Catalyzed Cascade Reductive and Carbonylative Cyclization of
<i>Ortho</i>
‐Iodo‐Tethered Methylenecyclopropanes (MCPs) Using
<i>N</i>
‐Formylsaccharin as CO Source
作者:Xing Fan、Min Shi、Yin Wei
DOI:10.1002/adsc.201901005
日期:2019.12.17
A palladium‐catalyzedreductive and carbonylative cyclization of ortho‐iodo‐tethered methylenecyclopropanes (MCPs) using N‐formylsaccharin as COsource has been developed, affording the desired indanone derivatives in moderate to good yields with high regio‐ and stereoselectivity and good functional group compatibility.