Directed Nickel-Catalyzed Diastereoselective Reductive Difunctionalization of Alkenyl Amines
作者:Lei Zhao、Xiao Meng、Yifeng Zou、Junsong Zhao、Lili Wang、Lanlan Zhang、Chao Wang
DOI:10.1021/acs.orglett.1c03210
日期:2021.11.5
directing group screening to enable olefin difunctionalization with high levels of regio-, chemo-, and diastereocontrol. This general and practical protocol is compatible with α- or β-substituted terminal alkenes and internalalkenes, providing rapid access to branched aliphatic amines bearing two skipped and vicinal stereocenters with high diastereoselectivities that would otherwise be difficult to synthesize
Aza- and oxacarbonylations of allyl phosphates catalyzed by rhodium carbonyl cluster. Selective synthesis of β, γ-unsaturated amides, esters, and acids
作者:Yasushi Imada、Ou Shibata、Shun-Ichi Murahashi
DOI:10.1016/0022-328x(93)83025-q
日期:1993.6
Rhodium-catalyzed carbonylation of allyl phosphates under CO (20 atm) at 50°C proceeds very efficiently in the presence of amines, alcohols, and water to give the corresponding β,γ-unsaturated amides, esters, and acids, respectively. These carbonylations occur with high regioselectivity at the less substituted carbon of allyl unit to give linear β,γ-unsaturated acid derivatives.