An efficient synthesis of optically active trifluoromethyl aldimines via asymmetric biomimetic transamination
作者:Mao Liu、Jing Li、Xiao Xiao、Ying Xie、Yian Shi
DOI:10.1039/c2cc37423d
日期:——
This communication describes a chiral base-catalyzed asymmetric [1,3]-proton shift of trifluoromethyl ketimines, giving a wide variety of trifluoromethyl aldimines containing various functional groups with up to 94% ee.
Forging Medium Rings via I(I)/I(III)‐Catalyzed Diene Carbofunctionalization
作者:You‐Jie Yu、Joel Häfliger、Zi‐Xuan Wang、Constantin G. Daniliuc、Ryan Gilmour
DOI:10.1002/anie.202309789
日期:2023.9.18
An I(I)/I(III) catalysis-based strategy to access 8-membered carbocycles via the direct carbofunctionalization of 2-phenethyl-substituted 1,3-dienes is disclosed. This strategy to generate densely functionalized, fluorinated benzocyclooctenes is modular and through changes in the oxidation/activation regime and the external nucleophile, the challenging cyclization can be merged with formation of allylic