(2-Fluoroallyl)boration of Ketones with (2-Fluoroallyl)boronates
作者:Maxim A. Novikov、Angelina Yu. Bobrova、Igor A. Mezentsev、Michael G. Medvedev、Yury V. Tomilov
DOI:10.1021/acs.joc.9b03445
日期:2020.5.15
Efficient routes toward activation of gem-chlorofluorocyclopropane-derived (2-fluoroallyl)boronates for allylboration of various ketones including functionalized and low-reactive ones were developed. Increasing the boron electrophilicity by the transformation of a boronate moiety into a borinicester with nBuLi/trifluoroacetic anhydride (TFAA) makes (2-fluoroallyl)boration of acetyl arenes/hetarenes
(2-Fluoroallyl)palladium complexes as intermediates in Pd-catalyzed Tsuji-Trost 2-fluoroallylations: Synthesis and reactivity
作者:Angelina Yu. Bobrova、Maxim A. Novikov、Igor A. Mezentsev、Yury V. Tomilov
DOI:10.1016/j.jfluchem.2020.109553
日期:2020.8
The first examples of π-(2-fluoroallyl)palladiumcomplexes were synthesized, isolated and characterized including chloride dimers, neutral chloride or cationic triflate complexes bearing PPh3 or SPhos as the ligands. Preliminary reactivity patterns indicating strong dependence of the chemoselectivity on “hardness” of the nucleophile and the ligand type were studied.
(2-Fluoroallyl)boronates: new reagents for diastereoselective 2-fluoroallylboration of aldehydes
作者:Maxim A. Novikov、Oleg M. Nefedov
DOI:10.1039/c8ob01103f
日期:——
[(2-MeAll)Pd(IPr)Cl] was developed to afford (2-fluoroallyl)pinacolboronates with high Z-selectivity. The products proved to be useful for anti-selective 2-fluoroallylboration of aromatic and aliphatic aldehydes.