Stereo- and regiospecific syntheses to provide conjugated (E,Z)- and (Z,Z)-alkadienes, and arylated (Z)-alkenes in excellent yields via the palladium-catalyzed cross-coupling reactions of (Z)-1-alkenylboronates with 1-bromoalkenes and aryl iodides
Build-up of double carbohelicenes using nitroarenes: dual role of the nitro functionality as an activating and leaving group
作者:Fulin Zhou、Fujian Zhou、Rongchuan Su、Yudong Yang、Jingsong You
DOI:10.1039/d0sc02058c
日期:——
streamlined and simplified synthetic route to double carbohelicenes starting from nitroarenes through sequential nitro-activated ortho-C–H arylation, denitrative alkenylation and intramolecular cyclodehydrogenation. In this synthetic strategy, the nitro group plays a dual role namely as a leaving group for the denitrative alkenylation and as an activating group for ortho-C–H arylation, which is distinct
Metal‐Catalyzed Remote Functionalization of ω‐Ene Unsaturated Ethers: Towards Functionalized Vinyl Species
作者:Guo‐Ming Ho、Lina Judkele、Jeffrey Bruffaerts、Ilan Marek
DOI:10.1002/anie.201802434
日期:2018.7.2
The combined ruthenium‐catalyzed chain walking with the nickel‐catalyzed cross‐coupling reaction of ω‐alkenyl ethers provide a unique entry to functionalized vinyl species. This transformation illustrates the power and flexibility of remote functionalization by demonstrating the compatibility of two independent reactions involving unrelated sites.
Stereo- and regiospecific syntheses to provide conjugated (E,Z)- and (Z,Z)-alkadienes, and arylated (Z)-alkenes in excellent yields via the palladium-catalyzed cross-coupling reactions of (Z)-1-alkenylboronates with 1-bromoalkenes and aryl iodides